Dr Mark D Williams, MD - Medicare Internal Medicine in Indianapolis, IN

Dr Mark D Williams, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Indianapolis, Indiana. He went to Indiana University School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Indiana Clinic Critical Care Llc and his current practice location is 1801 N Senate Ave, Suite 230, Indianapolis, Indiana. You can reach out to his office (for appointments etc.) via phone at (317) 962-5820.

Dr Mark D Williams is licensed to practice in Indiana (license number 01041431A) 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 1659461564.

Contact Information

Dr Mark D Williams, MD
1801 N Senate Ave, Suite 230,
Indianapolis, IN 46202-1252
(317) 962-5820
(317) 962-3916



Physician's Profile

Full NameDr Mark D Williams
GenderMale
SpecialityInternal Medicine
Experience34 Years
Location1801 N Senate Ave, Indianapolis, 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 D Williams attended and graduated from Indiana University School Of Medicine in 1990
  NPI Data:
  • NPI Number: 1659461564
  • Provider Enumeration Date: 10/13/2006
  • Last Update Date: 11/25/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 1153588199
  • Enrollment ID: I20120202000899

Medical Identifiers

Medical identifiers for Dr Mark D Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659461564NPI-NPPES
200104270MedicaidIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 01041431A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Indiana University HealthIndianapolis, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Indiana Clinic Critical Care Llc3678600988206

News Archive

Researchers develop human cell-based model of Rett syndrome

A groundbreaking study published Friday in the leading scientific journal, Cell, revealed that a team of investigators had successfully generated nerve cells using skin cells from four individuals with Rett syndrome. The study, funded in part by IRSF, was led by Dr. Alysson Muotri at the University of California, San Diego-a leading researcher in the stem cell field.

Pakistan to become first south Asian country to introduce pneumococcal vaccine

"Pakistan is set to become the first country in south Asia to introduce the pneumococcal vaccine to protect children against pneumonia, one of the biggest killers of children under five in the developing world," the Guardian reports.

Coloplast continues to improve EBIT margin

During the first 9 months of 2009/10 Coloplast shows organic growth of 7% and an EBIT margin of 20% against 15% last year.

Percutaneous disc decompression keeps patients pain-free up to two years later, shows study

A randomized, controlled study comparing standard conservative therapy to a minimally invasive treatment called percutaneous disc decompression for painful herniated disc revealed that while both treatments help patients in the short run, only disc decompression kept patients pain free up to two years later.

Read more Medical News

› Verified 9 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 D Williams allows following entities to bill medicare on his behalf.
Entity NameIndiana Clinic Critical Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417285230
PECOS PAC ID: 3678600988
Enrollment ID: O20100419000408

News Archive

Researchers develop human cell-based model of Rett syndrome

A groundbreaking study published Friday in the leading scientific journal, Cell, revealed that a team of investigators had successfully generated nerve cells using skin cells from four individuals with Rett syndrome. The study, funded in part by IRSF, was led by Dr. Alysson Muotri at the University of California, San Diego-a leading researcher in the stem cell field.

Pakistan to become first south Asian country to introduce pneumococcal vaccine

"Pakistan is set to become the first country in south Asia to introduce the pneumococcal vaccine to protect children against pneumonia, one of the biggest killers of children under five in the developing world," the Guardian reports.

Coloplast continues to improve EBIT margin

During the first 9 months of 2009/10 Coloplast shows organic growth of 7% and an EBIT margin of 20% against 15% last year.

Percutaneous disc decompression keeps patients pain-free up to two years later, shows study

A randomized, controlled study comparing standard conservative therapy to a minimally invasive treatment called percutaneous disc decompression for painful herniated disc revealed that while both treatments help patients in the short run, only disc decompression kept patients pain free up to two years later.

Read more Medical News

› Verified 9 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 D Williams 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 D Williams, MD
250 N Shadeland Ave,
Indianapolis, IN 46219-4959

Ph: () -
Dr Mark D Williams, MD
1801 N Senate Ave, Suite 230,
Indianapolis, IN 46202-1252

Ph: (317) 962-5820

News Archive

Researchers develop human cell-based model of Rett syndrome

A groundbreaking study published Friday in the leading scientific journal, Cell, revealed that a team of investigators had successfully generated nerve cells using skin cells from four individuals with Rett syndrome. The study, funded in part by IRSF, was led by Dr. Alysson Muotri at the University of California, San Diego-a leading researcher in the stem cell field.

Pakistan to become first south Asian country to introduce pneumococcal vaccine

"Pakistan is set to become the first country in south Asia to introduce the pneumococcal vaccine to protect children against pneumonia, one of the biggest killers of children under five in the developing world," the Guardian reports.

Coloplast continues to improve EBIT margin

During the first 9 months of 2009/10 Coloplast shows organic growth of 7% and an EBIT margin of 20% against 15% last year.

Percutaneous disc decompression keeps patients pain-free up to two years later, shows study

A randomized, controlled study comparing standard conservative therapy to a minimally invasive treatment called percutaneous disc decompression for painful herniated disc revealed that while both treatments help patients in the short run, only disc decompression kept patients pain free up to two years later.

Read more News

› Verified 9 days ago


Internal Medicine Doctors in Indianapolis, IN

Irene A Carrothers, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Senate Blvd, Indianapolis, IN 46202
Phone: 317-963-8776    Fax: 317-963-5285
Liam P Howley, MD
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: 1001 West 10th St Opw-m200, Indiana University Department Of Medicine, Indianapolis, IN 46202
Phone: 317-630-6560    
Cristina Nancy Perez Chumbiauca, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 550 University Blvd, Indianapolis, IN 46202
Phone: 317-944-5000    
Dr. Andrew Jonathen Ortega, DO
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: 702 Rotary Cir, Indianapolis, IN 46202
Phone: 317-278-4427    
Lawrence John Born, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 8424 Naab Rd, #3-j, Indianapolis, IN 46260
Phone: 317-872-7396    Fax: 317-879-8328
Brian T Robinson, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1001 W 10th St, Indianapolis, IN 46202
Phone: 317-630-7979    Fax: 317-630-2668
Steven T Hugenberg, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 550 University Blvd, Indianapolis, IN 46202
Phone: 317-944-8660    

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