Dr Anthony Williams Keller, MD - Medicare Internal Medicine in Bethesda, MD

Dr Anthony Williams Keller, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Bethesda, Maryland. His current practice location is 6410 Rockledge Dr, Bethesda, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 955-5000.

Dr Anthony Williams Keller is licensed to practice in Maryland (license number D96057) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1720059694.

Contact Information

Dr Anthony Williams Keller, MD
6410 Rockledge Dr,
Bethesda, MD 20817-1809
(410) 955-5000
Not Available

Map and Direction




Physician's Profile

Full NameDr Anthony Williams Keller
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location6410 Rockledge Dr, Bethesda, Maryland
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1720059694
  • Provider Enumeration Date: 01/30/2006
  • Last Update Date: 10/15/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0547490575
  • Enrollment ID: I20231023000480

Medical Identifiers

Medical identifiers for Dr Anthony Williams Keller such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720059694NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A80466 (California)Secondary
207RC0000XInternal Medicine - Cardiovascular Disease D96057 (Maryland)Primary

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 Anthony Williams Keller allows following entities to bill medicare on his behalf.
Entity NameJohns Hopkins Community Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255359972
PECOS PAC ID: 8325943707
Enrollment ID: O20040130000162

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 Anthony Williams Keller 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 Anthony Williams Keller, MD
6201 Greenleigh Ave,
Middle River, MD 21220-2004

Ph: (619) 532-6460
Dr Anthony Williams Keller, MD
6410 Rockledge Dr,
Bethesda, MD 20817-1809

Ph: (410) 955-5000

Reviews and Comments


Internal Medicine Doctors in Bethesda, MD

Ardalan Enkeshafi, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 6410 Rockledge Dr Ste 304, Bethesda, MD 20817
Phone: 443-602-6207    
Dr. Tara Palmore, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 10 Center Dr, Msc 1888, Bethesda, MD 20892
Phone: 301-496-4000    
Dr. Cornelia Diana Cudrici, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 10 Center Drive Bld 10 Rm 6n216a, Bethesda, MD 20892
Phone: 301-443-5519    
Shanthi Murgesh Nadar,
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 8600 Old Georgetown Road, Bethesda, MD 20814
Phone: 301-896-3100    
Dr. Nicole Jeanine Gormley, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 10 Center Dr, Bldg 10, Rm 2c145, Bethesda, MD 20892
Phone: 301-496-9320    
Dr. Harshkumar Patel, MBBS
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 10 Center Dr, Bethesda, MD 20892
Phone: 301-496-9320    Fax: 301-402-1213
Dr. Tung N Dao, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 6410 Rockledge Dr, Ste 200, Bethesda, MD 20817
Phone: 301-897-5301    Fax: 301-564-4289

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.