Benjamin Oldfield, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD600003217 Issued in DC

Practice address

3020 14TH St NW
Washington, DC 20009-6865

Phone

(202) 469-4699

NPI assigned

Mar 24, 2012

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Pediatric MedicineAlso: Internal Medicine

Education

Harvard Medical School, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Unity Health Care Inc.Group PAC ID 3476647264, 151 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: benjamin.oldfield@uhci.eclinicaldirectplus.com

All facility ownership & control disclosures 4

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 5

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Unity Health Care, Inc

  • Federally Qualified Health Center (FQHC)
  • Washington, DC
  • NPI 1154469336

  Corporate Officer

  CMS ownership
• Unity Health Care, Inc

  • Federally Qualified Health Center (FQHC)
  • Washington, DC
  • NPI 1225251879

  Corporate Officer

  CMS ownership
• Unity Health Care, Inc

  • Federally Qualified Health Center (FQHC)
  • Washington, DC
  • NPI 1386782563

  Corporate Officer

  CMS ownership
• Unity Health Care, Inc.

  • Federally Qualified Health Center (FQHC)
  • Washington, DC
  • NPI 1083237457

  Corporate Officer

  CMS ownership
• Unity Health Care, Inc.

  • Federally Qualified Health Center (FQHC)
  • Washington, DC
  • NPI 1922951615

  Corporate Officer

  CMS ownership

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Unity Health Care, Inc.

  • Federally Qualified Health Center (FQHC)
  • Washington, DC
  • NPI 1093894172
  Medicare reassignment Care Compare group NPD
• Unity Health Care Inc.

  • Community/Retail Pharmacy
  • Washington, DC
  • NPI 1346014412
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1332547200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1737072000000",
    "number": "1831465830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1100 NEW JERSEY AVE SE STE 500",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200033326",
            "telephone_number": "202-213-5481"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3020 14TH ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200096865",
            "telephone_number": "202-469-4699"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLDFIELD",
        "first_name": "BENJAMIN",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-03-24",
        "last_updated": "2025-01-17",
        "certification_date": "2025-01-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DC",
            "license": "MD600003217",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "DC",
            "license": "MD600003217",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sikiratu Olayinka
• Biola Kafaya Olayiwola
• Omolola Anifat Olayiwola
• Olufunke Mopelola Olayoriju
• Sylvia Olden
• Michael Olding, MD
• Makeda Michele Olds
• Nico Francis Olegario, MD
• Eunice Olejiya
• Uchenna Oleka

• Internal Medicine Physician in Washington, DC
• Providers in Washington, DC by specialty
• Internal Medicine Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.