John A Tam, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

D24477 Issued in MD

Practice address

14820 Physicians LN
242
Rockville, MD 20850-3945

Phone

(301) 838-9606

NPI assigned

Jun 2, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Capital Anesthesia Partners, LLC

  • Anesthesiology Physician
  • Chevy Chase, MD
  • NPI 1265715692
  NPD
• Comfort Sedation LLC

  • Specialist
  • Rockville, MD
  • NPI 1609805407
  NPD
• Montgomery Anesthesia Care, LLC

  • Certified Registered Nurse Anesthetist
  • Rockville, MD
  • NPI 1720384431

  Anesthesiology

  NPD
• Associated Anesthesiology Practice P.a.

  • Anesthesiology Physician
  • Salisbury, MD
  • NPI 1902887425
  NPD (past)
• First Colonies Anesthesia Associates, LLC

  • Anesthesiology Physician
  • Columbia, MD
  • NPI 1740218767
  NPD (past)

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

{
    "created_epoch": "1149206400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1073551362",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10905 CRIPPLEGATE RD",
            "city": "POTOMAC",
            "state": "MD",
            "postal_code": "208541628"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14820 PHYSICIANS LN",
            "address_2": "242",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208503945",
            "telephone_number": "301-838-9606"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAM",
        "first_name": "JOHN",
        "middle_name": "A",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "MD",
            "license": "D24477",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sophia Talbott
• Sreemedha Talla
• Cimone Talley
• Robin Talley, L.AC.
• Pankaj Talwar, MD
• Stanley Tamale, COUNSELOR
• Tamara Levit DDS PC
• Marisa Tamari, NP
• Victory Tamba
• Christopher Tambu

• Anesthesiology Physician in Rockville, MD
• Providers in Rockville, MD by specialty
• Anesthesiology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.