Dr Mark S O'brien, MD - Medicare Family Practice in Carmel, IN

Dr Mark S O'brien, MD is a medicare enrolled "Family Medicine" physician in Carmel, Indiana. He went to Indiana University School Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Indiana University Health Care Associates Inc and his current practice location is 11725 N Illinois St Ste 250, Carmel, Indiana. You can reach out to his office (for appointments etc.) via phone at (317) 688-5300.

Dr Mark S O'brien is licensed to practice in Indiana (license number 01037757A) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1124129267.

Contact Information

Dr Mark S O'brien, MD
11725 N Illinois St Ste 250,
Carmel, IN 46032-3015
(317) 688-5300
(317) 688-5313



Physician's Profile

Full NameDr Mark S O'brien
GenderMale
SpecialityFamily Practice
Experience36 Years
Location11725 N Illinois St Ste 250, Carmel, Indiana
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mark S O'brien attended and graduated from Indiana University School Of Medicine in 1988
  NPI Data:
  • NPI Number: 1124129267
  • Provider Enumeration Date: 09/25/2006
  • Last Update Date: 01/06/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5496812877
  • Enrollment ID: I20090330000617

Medical Identifiers

Medical identifiers for Dr Mark S O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124129267NPI-NPPES
200033390MedicaidIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 01037757A (Indiana)Primary
2083P0500XPreventive Medicine - Preventive Medicine/occupational Environmental Medicine 01037757A (Indiana)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Indiana University Health North HospitalCarmel, INHospital
Indiana University HealthIndianapolis, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Indiana University Health Care Associates Inc5799755864882

News Archive

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› Verified 5 days ago

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Mark S O'brien allows following entities to bill medicare on his behalf.
Entity NameIndiana University Health Care Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902032832
PECOS PAC ID: 5799755864
Enrollment ID: O20040727000955

News Archive

Australia reports first human-to-human coronavirus transmission, total cases now 39

The coronavirus disease (COVID-19) outbreak has started to gain momentum over the past week, spreading to 77 countries, including Australia. The number of confirmed cases in the country has reached 41, with ten new cases reported in Queensland.

Idera announces IMO-3100 Phase 1 clinical trial results for autoimmune disease

Idera Pharmaceuticals, Inc. today announced results from its single-dose, dose-escalation Phase 1 clinical trial evaluating the safety and mechanism of action of IMO-3100, its lead Toll-like Receptor (TLR) 7 and TLR9 antagonist drug candidate for the treatment of autoimmune and inflammatory diseases.

Genetic duplication that occurred millions of years ago encouraged evolution of ASF1b gene: Study

How and when evolution generates diversity or gives form to proteins, living beings' functional building blocks, are essential questions that still surround the theory of evolution. In humans, the majority of genes have emerged via genetic duplication, a strategy in which a gene generates two identical copies that can evolve to generate different proteins.

New liquid stable homocysteine kit from Randox

The new liquid stable homocysteine kit from Randox provides a convenient and accurate method for the determination of homocysteine in human serum and plasma. Homocysteine is a potential indicator of a number of disease markers and should therefore be an integral part of a laboratory's testing menu.

MicroRNAs present in saliva could be used to detect oral squamous cell carcinoma

A new study published by researchers at the UCLA School of Dentistry substantiates the effectiveness of measuring the microRNAs present in saliva to detect oral squamous cell carcinoma. Like hall monitors in an elementary school, microRNAs are the molecules produced by cells that simultaneously asses the behavior of multiple genes and control their activity.

Read more Medical News

› Verified 5 days ago

Entity NamePic Indiana Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942546890
PECOS PAC ID: 3476790239
Enrollment ID: O20130515000110

News Archive

Australia reports first human-to-human coronavirus transmission, total cases now 39

The coronavirus disease (COVID-19) outbreak has started to gain momentum over the past week, spreading to 77 countries, including Australia. The number of confirmed cases in the country has reached 41, with ten new cases reported in Queensland.

Idera announces IMO-3100 Phase 1 clinical trial results for autoimmune disease

Idera Pharmaceuticals, Inc. today announced results from its single-dose, dose-escalation Phase 1 clinical trial evaluating the safety and mechanism of action of IMO-3100, its lead Toll-like Receptor (TLR) 7 and TLR9 antagonist drug candidate for the treatment of autoimmune and inflammatory diseases.

Genetic duplication that occurred millions of years ago encouraged evolution of ASF1b gene: Study

How and when evolution generates diversity or gives form to proteins, living beings' functional building blocks, are essential questions that still surround the theory of evolution. In humans, the majority of genes have emerged via genetic duplication, a strategy in which a gene generates two identical copies that can evolve to generate different proteins.

New liquid stable homocysteine kit from Randox

The new liquid stable homocysteine kit from Randox provides a convenient and accurate method for the determination of homocysteine in human serum and plasma. Homocysteine is a potential indicator of a number of disease markers and should therefore be an integral part of a laboratory's testing menu.

MicroRNAs present in saliva could be used to detect oral squamous cell carcinoma

A new study published by researchers at the UCLA School of Dentistry substantiates the effectiveness of measuring the microRNAs present in saliva to detect oral squamous cell carcinoma. Like hall monitors in an elementary school, microRNAs are the molecules produced by cells that simultaneously asses the behavior of multiple genes and control their activity.

Read more Medical News

› Verified 5 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Mark S O'brien is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Mark S O'brien, MD
250 N Shadeland Ave,
Indianapolis, IN 46219-4959

Ph: () -
Dr Mark S O'brien, MD
11725 N Illinois St Ste 250,
Carmel, IN 46032-3015

Ph: (317) 688-5300

News Archive

Australia reports first human-to-human coronavirus transmission, total cases now 39

The coronavirus disease (COVID-19) outbreak has started to gain momentum over the past week, spreading to 77 countries, including Australia. The number of confirmed cases in the country has reached 41, with ten new cases reported in Queensland.

Idera announces IMO-3100 Phase 1 clinical trial results for autoimmune disease

Idera Pharmaceuticals, Inc. today announced results from its single-dose, dose-escalation Phase 1 clinical trial evaluating the safety and mechanism of action of IMO-3100, its lead Toll-like Receptor (TLR) 7 and TLR9 antagonist drug candidate for the treatment of autoimmune and inflammatory diseases.

Genetic duplication that occurred millions of years ago encouraged evolution of ASF1b gene: Study

How and when evolution generates diversity or gives form to proteins, living beings' functional building blocks, are essential questions that still surround the theory of evolution. In humans, the majority of genes have emerged via genetic duplication, a strategy in which a gene generates two identical copies that can evolve to generate different proteins.

New liquid stable homocysteine kit from Randox

The new liquid stable homocysteine kit from Randox provides a convenient and accurate method for the determination of homocysteine in human serum and plasma. Homocysteine is a potential indicator of a number of disease markers and should therefore be an integral part of a laboratory's testing menu.

MicroRNAs present in saliva could be used to detect oral squamous cell carcinoma

A new study published by researchers at the UCLA School of Dentistry substantiates the effectiveness of measuring the microRNAs present in saliva to detect oral squamous cell carcinoma. Like hall monitors in an elementary school, microRNAs are the molecules produced by cells that simultaneously asses the behavior of multiple genes and control their activity.

Read more News

› Verified 5 days ago


Family Medicine Doctors in Carmel, IN

Amanda Houchens, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 12188b N Meridian St Ste 280, Carmel, IN 46032
Phone: 317-705-4550    Fax: 317-705-4559
Sanju J Daftari, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 11911 N Meridian St, Suite 150, Carmel, IN 46032
Phone: 317-621-6701    Fax: 317-621-6707
Rachel Land, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 12188b N Meridian St Ste 280, Carmel, IN 46032
Phone: 317-705-4550    Fax: 317-705-4559
Heather Rae Schumann, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13250 Hazel Dell Pkwy Ste 104, Carmel, IN 46033
Phone: 317-415-6900    
Robert D Habig, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 15229 Westfield Blvd, Carmel, IN 46032
Phone: 317-867-1236    Fax: 317-896-1299
Erica Dryden Leazenby, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 13250 Hazel Dell Pkwy, Suite 104, Carmel, IN 46033
Phone: 317-415-6900    Fax: 317-415-6910
Catherine E Broach, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 13250 Hazel Dell Pkwy Ste 104, Carmel, IN 46033
Phone: 317-415-6900    

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