Greenfield Associates , M.d., P.a. - Medicare Primary Care in Annapolis, MD

Greenfield Associates , M.d., P.a. is a medicare enrolled primary clinic (Internal Medicine) in Annapolis, Maryland. The current practice location for Greenfield Associates , M.d., P.a. is 139 Old Solomons Island Rd, Annapolis, Maryland. For appointments, you can reach them via phone at (410) 224-2222. The mailing address for Greenfield Associates , M.d., P.a. is 139 Old Solomons Island Rd, Annapolis, Maryland and phone number is (410) 224-2222.

Greenfield Associates , M.d., P.a. is licensed to practice in * (Not Available) (license number ). The clinic also participates in the medicare program and its NPI number is 1396770996. 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 (410) 224-2222.

Contact Information

Greenfield Associates , M.d., P.a.
139 Old Solomons Island Rd
Annapolis
MD 21401-0904
(410) 224-2222
(410) 224-4926

Map and Direction


Primary Care Clinic Profile

Full NameGreenfield Associates , M.d., P.a.
SpecialityInternal Medicine
Location139 Old Solomons Island Rd, Annapolis, Maryland
Authorized Official Name and PositionKatrina Williams (OFFICE MANAGER)
Authorized Official Contact4102244926
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Greenfield Associates , M.d., P.a.
139 Old Solomons Island Rd
Annapolis
MD 21401-0904

Ph: (410) 224-2222
Greenfield Associates , M.d., P.a.
139 Old Solomons Island Rd
Annapolis
MD 21401-0904

Ph: (410) 224-2222

NPI Details:

NPI Number1396770996
Provider Enumeration Date07/11/2006
Last Update Date08/10/2021

Medicare PECOS Information:

Medicare PECOS PAC ID4082662416
Medicare Enrollment IDO20050112000159

Medical Identifiers

Medical identifiers for Greenfield Associates , M.d., P.a. such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396770996NPI-NPPES
151451200MedicaidMD
772051300MedicaidMD
081681700MedicaidMD
272251800MedicaidMD
690102600MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine (* (Not Available))Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Greenfield Associates , M.d., P.a. acts as a billing entity for following providers:
Provider NameErika M Benns
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1417018789
PECOS PAC ID: 1850379322
Enrollment ID: I20070321000650
Provider NameRobert M Greenfield
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1821005984
PECOS PAC ID: 5799888723
Enrollment ID: I20090925000360
Provider NameCharles Wesley Phelps
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1407871171
PECOS PAC ID: 4981739257
Enrollment ID: I20100312000267
Provider NameJoseph A Halpern
Provider TypePractitioner - Internal Medicine
Provider IdentifiersNPI Number: 1164536447
PECOS PAC ID: 9537283304
Enrollment ID: I20100831000419
Provider NameJessica L Campbell
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1548798366
PECOS PAC ID: 0547535114
Enrollment ID: I20200831002838

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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.