Mark Alan Parkhurst, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

D0024093 Issued in MD

Practice address

3110 Gracefield Rd
Silver Spring, MD 20904-1820

Phone

(301) 572-8340

Fax

(301) 572-8403

NPI assigned

Oct 31, 2006

Last updated

Aug 4, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 10

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

Internal Medicine

Education

University of Maryland School of Medicine, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Erickson Health Medical Group of Maryland, PCGroup PAC ID 2860304136, 38 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Riderwood Village, Inc. Home health agency, Silver Spring, MD, CCN 217156
• Adventist Home Health Services, Inc. Home health agency, Silver Spring, MD, CCN 217032
• Montgomery Hospice & Prince Georges Hospice Hospice, Rockville, MD, CCN 211503
• Riderwood Village Nursing home, Silver Spring, MD, CCN 215343

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Erickson Health Medical Group of Maryland PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Silver Spring, MD
  • NPI 1205856549

  DC

  Medicare reassignment Care Compare group NPD
• Erickson Health Medical Group of Maryland PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Bethesda, MD
  • NPI 1518830611
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)
• Riderwood Village, Inc.

  • Skilled Nursing Facility
  • Silver Spring, MD
  • NPI 1730146929
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Adventist Home Health Services Inc

  • Home Health Agency
  • Silver Spring, MD
  • NPI 1598826448
  Care Compare affiliation Name & address match
• Riderwood Village, Inc.

  • Skilled Nursing Facility
  • Silver Spring, MD
  • NPI 1730146929

  Nursing home

  Care Compare affiliation
• Riderwood Village, Inc.

  dba Riderwood Home Health Agencey

  • Home Health Agency
  • Silver Spring, MD
  • NPI 1801904149
  Care Compare affiliation

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

{
    "created_epoch": "1162252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1629154539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5730 EXECUTIVE DR STE 230",
            "city": "CATONSVILLE",
            "state": "MD",
            "postal_code": "212281762",
            "telephone_number": "301-572-8340"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3110 GRACEFIELD RD",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209041820",
            "telephone_number": "301-572-8340",
            "fax_number": "301-572-8403"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7051 Rockledge Dr",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208171680",
            "country_code": "US",
            "telephone_number": "301-272-9830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "711 Maiden Choice Ln",
            "address_purpose": "LOCATION",
            "city": "Catonsville",
            "state": "MD",
            "postal_code": "212283632",
            "country_code": "US",
            "telephone_number": "410-247-5602",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8800 Walther Blvd",
            "address_purpose": "LOCATION",
            "city": "Parkville",
            "state": "MD",
            "postal_code": "212349001",
            "country_code": "US",
            "telephone_number": "410-882-3240",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PARKHURST",
        "first_name": "MARK",
        "middle_name": "ALAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-31",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0024093",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE NORTH",
            "identifier": "52-2096682",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS OF DC",
            "identifier": "9680-0031",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "008203102",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS",
            "identifier": "0055",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "EVERCARE",
            "identifier": "04-13565",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS OF MD",
            "identifier": "0943SE-345660-05",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS-MD",
            "identifier": "345660-04",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS OF MD",
            "identifier": "0943ER-345660-05",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "156221500",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "345660-04",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Colin Parker
• Joye Parker
• Pamela Gilstad Parker, MD
• Patricia Ann Parker, LCADC
• Steven Parker, DDS
• Stephanie Parkhurst, PH.D.
• Kimberly Parmar
• Alyssa Yael Parness, COTA
• Patricia Parra Moreno, LICSW
• Peyton Parrott, PA-C

• Internal Medicine Physician in Silver Spring, MD
• Providers in Silver Spring, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.
• 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.