Senior Doc Maryland PC - Medicare Primary Care in Columbia, MD

Senior Doc Maryland PC is a medicare enrolled primary clinic (Family Medicine) in Columbia, Maryland. The current practice location for Senior Doc Maryland PC is 6700 Alexander Bell Dr Ste 200, Columbia, Maryland. For appointments, you can reach them via phone at (855) 434-7763. The mailing address for Senior Doc Maryland PC is 5 Hutton Centre Dr Ste 950, Santa Ana, California and phone number is (855) 434-7763.

Senior Doc Maryland PC is licensed to practice in NU (license number ). The clinic also participates in the medicare program and its NPI number is 1689551822. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (855) 434-7763.

Contact Information

Senior Doc Maryland PC
6700 Alexander Bell Dr Ste 200
Columbia
MD 21046-2105
(855) 434-7763
Not Available

Map and Direction


Primary Care Clinic Profile

Full NameSenior Doc Maryland PC
SpecialityFamily Medicine
Location6700 Alexander Bell Dr Ste 200, Columbia, Maryland
Authorized Official Name and PositionJohn Mark Geiss (CEO)
Authorized Official Contact7147025145
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Senior Doc Maryland PC
5 Hutton Centre Dr Ste 950
Santa Ana
CA 92707-8744

Ph: (855) 434-7763
Senior Doc Maryland PC
6700 Alexander Bell Dr Ste 200
Columbia
MD 21046-2105

Ph: (855) 434-7763

NPI Details:

NPI Number1689551822
Provider Enumeration Date08/19/2025
Last Update Date08/19/2025
Certification Date08/19/2025

Medicare PECOS Information:

Medicare PECOS PAC ID6002308558
Medicare Enrollment IDO20251122001080

Medical Identifiers

Medical identifiers for Senior Doc Maryland PC such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1689551822NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine (NU)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Senior Doc Maryland PC acts as a billing entity for following providers:
Provider NameJohn Geiss
Provider TypePractitioner - Family Practice
Provider IdentifiersNPI Number: 1053651497
PECOS PAC ID: 5890933071
Enrollment ID: I20250313002505
Provider NameJeffrey John Thomas
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1932337136
PECOS PAC ID: 7315101003
Enrollment ID: I20250326000629
Provider NameAlexi Yarashevich
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1306340831
PECOS PAC ID: 6406119304
Enrollment ID: I20260212002129
Provider NameDaniel John Konchan
Provider TypePractitioner - Physician Assistant
Provider IdentifiersNPI Number: 1356047542
PECOS PAC ID: 9931572302
Enrollment ID: I20260218000188
Provider NameAnthony Marcus Yniguez
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1871185686
PECOS PAC ID: 2769882331
Enrollment ID: I20260218000541

Reviews and Comments

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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.