Dr John Mark Geiss, DO - Medicare Family Practice in Orange, CA

Dr John Mark Geiss, DO is a medicare enrolled "Family Medicine" physician in Orange, California. He graduated from medical school in 2011 and has 13 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Jm Geiss Do Apc and his current practice location is 2592 N Santiago Blvd, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 577-2271.

Dr John Mark Geiss is licensed to practice in California (license number 20A12647) 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 1053651497.

Contact Information

Dr John Mark Geiss, DO
2592 N Santiago Blvd,
Orange, CA 92867-1862
(714) 577-2271
(949) 981-5550



Physician's Profile

Full NameDr John Mark Geiss
GenderMale
SpecialityFamily Practice
Experience13 Years
Location2592 N Santiago Blvd, Orange, California
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 John Mark Geiss graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1053651497
  • Provider Enumeration Date: 02/21/2013
  • Last Update Date: 10/31/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5890933071
  • Enrollment ID: I20130529000756

Medical Identifiers

Medical identifiers for Dr John Mark Geiss such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053651497NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A12647 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Jude Medical CenterFullerton, CAHospital
Riverside Village Healthcare CenterRiverside, CANursing home
Mirada Hills Rehabilitation And Conv HospitalLa mirada, CANursing home
La Habra Convalescent HospitalLa habra, CANursing home
The Pavilion At Sunny HillsFullerton, CANursing home
Whittier Hills Health Care CtrWhittier, CANursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Jm Geiss Do Apc610304407853

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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 John Mark Geiss allows following entities to bill medicare on his behalf.
Entity NameInland Physicians Service Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083724850
PECOS PAC ID: 2769386093
Enrollment ID: O20031119001002

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› Verified 5 days ago

Entity NameJm Geiss Do Apc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063825289
PECOS PAC ID: 6103044078
Enrollment ID: O20140919001932

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Entity NameGeiss Med Idaho Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750961637
PECOS PAC ID: 0648689174
Enrollment ID: O20210512002640

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Entity NameCalifornia Phs Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649932781
PECOS PAC ID: 2062808645
Enrollment ID: O20220407001048

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Entity NameSenior Doc Integrated Med Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396526026
PECOS PAC ID: 3375990286
Enrollment ID: O20231115001383

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A novel study by German researchers reported that alcohol consumption and cigarette smoking were associated with increased migraines and tension-type headaches in high school students. Coffee drinking and physical inactivity were associated specifically with migraines. Results of this study, the first to investigate modifiable risk factors for different types of headaches in a youth population, appear online early in Headache, a journal published by Wiley-Blackwell on behalf of the American Headache Society.

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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 John Mark Geiss 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 John Mark Geiss, DO
2592 N Santiago Blvd,
Orange, CA 92867-1862

Ph: (855) 434-7763
Dr John Mark Geiss, DO
2592 N Santiago Blvd,
Orange, CA 92867-1862

Ph: (714) 577-2271

News Archive

Ethnocultural beliefs vary widely on organ donation

Although a high number of Chinese- and Indo-Canadians and Aboriginal people are awaiting organ transplants, there is little knowledge about organ donation and registration processes for organ donation among these ethnocultural communities, according to a recent UVic study.

Alcohol consumption, cigarette smoking associated with teen migraines, TTH : Study

A novel study by German researchers reported that alcohol consumption and cigarette smoking were associated with increased migraines and tension-type headaches in high school students. Coffee drinking and physical inactivity were associated specifically with migraines. Results of this study, the first to investigate modifiable risk factors for different types of headaches in a youth population, appear online early in Headache, a journal published by Wiley-Blackwell on behalf of the American Headache Society.

Scientists identify genetic marker to diagnose DFTD

An international team of scientists led by a Cold Spring Harbor Laboratory (CSHL) investigator has discovered that the deadly facial tumors decimating Australia's Tasmanian devil population probably originated in Schwann cells, a type of tissue that cushions and protects nerve fibers.

Applications of nanoparticles in combating COVID-19

Researchers review the various properties and use of nanoparticles in targeting SARS-CoV-2 and how they could be used to develop new therapeutics and diagnostics for SARS-CoV-2.

Older people with high health literacy have better physical functioning, fewer illnesses

How easy is it for older individuals to understand what their doctor tells them or to evaluate whether health information in the media is reliable? A new study on older Finnish people's health literacy found that one third of 75-year-old Finns find it difficult to understand and use health-related information.

Read more News

› Verified 5 days ago


Family Medicine Doctors in Orange, CA

Catherine Cummins, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 714-456-8978    
Rolf D. Knapp, D.O
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2540n Santiago Blvd, Orange, CA 92867
Phone: 714-921-1030    Fax: 714-921-1032
Dr. Heather Dehaan, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-740-7956    
Dr. Lawrence Roger Brownlee, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2617 E. Chapman Ave., Suite 306, Orange, CA 92869
Phone: 714-669-4442    
Hal S Shimazu, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 845 E Chapman Ave, Orange, CA 92866
Phone: 714-997-2899    Fax: 714-289-7062
Shiho I Ito, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-8888    

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