David E Geist, M.D.

Primary specialty

MOHS-Micrographic Surgery PhysicianTaxonomy code 207ND0101X

License

226095 Issued in MA

Practice address

201 Boston Post Rd W Ste 200&202
Marlborough, MA 01752-4667

Phone

(508) 460-9613

Fax

(978) 371-0522

NPI assigned

Aug 20, 2006

Last updated

Sep 11, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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 MA

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

Dermatology

Education

Yale University School of Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Adult and Pediatric Dermatology PCGroup PAC ID 7012988306, 38 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Emerson Hospital - Hospital, W Concord, MA, CCN 220084

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dgeist31454@tuftsmedicine.direct-ci.com
• Direct secure messaging: geist.david.epho@direct.partners.masshiway.net

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.

• Adult & Pediatric Dermatology, P.C.

  • Dermatology Physician
  • Concord, MA
  • NPI 1285614834
  Medicare reassignment Care Compare group NPD
• Emerson Hospital

  • General Acute Care Hospital
  • Concord, MA
  • NPI 1467587881
  NPD
• Apderm Massachusetts PC

  • Dermatology Physician
  • Concord, MA
  • NPI 1679138879
  NPD (past)
• Apderm North, PC

  • Dermatology Physician
  • Westford, MA
  • NPI 1942508379
  NPD (past)
• Umass Memorial Medical Group Inc

  • Internal Medicine Physician
  • Worcester, MA
  • NPI 1760445373
  NPD (past)

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

• Emerson Hospital

  • General Acute Care Hospital
  • Concord, MA
  • NPI 1922103357
  Care Compare affiliation

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

{
    "created_epoch": "1156032000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1124133277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "526 MAIN ST STE 302",
            "city": "ACTON",
            "state": "MA",
            "postal_code": "017203310",
            "telephone_number": "978-371-7010",
            "fax_number": "978-371-0522"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "201 BOSTON POST RD W STE 200&202",
            "city": "MARLBOROUGH",
            "state": "MA",
            "postal_code": "017524667",
            "telephone_number": "508-460-9613",
            "fax_number": "978-371-0522"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "54 Baker Avenue Ext Ste 305",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "MA",
            "postal_code": "017422143",
            "country_code": "US",
            "telephone_number": "978-371-7010",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "288 Grove St Ste 201",
            "address_purpose": "LOCATION",
            "city": "Worcester",
            "state": "MA",
            "postal_code": "016053934",
            "country_code": "US",
            "telephone_number": "508-552-3130",
            "fax_number": "978-371-0522",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "86 Baker Avenue Ext Ste 100",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "MA",
            "postal_code": "017422132",
            "country_code": "US",
            "telephone_number": "978-371-7010",
            "fax_number": "978-371-0522",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GEIST",
        "first_name": "DAVID",
        "middle_name": "E",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-20",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ND0101X",
            "taxonomy_group": "",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": "MA",
            "license": "226095",
            "primary": true
        },
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "MA",
            "license": "226095",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Leigh Ann Gaudette, LICSW
• Ashley Marie Gauthier, RPH
• Maya Reshae Gay
• Matthew Geary
• Dolly Geevarghese, MD
• Marylou Gelfuso
• Genoa Healthcare LLC
• Vanessa Gentile
• Annetta Gentry
• George Ghaly, DDS, PC

• MOHS-Micrographic Surgery Physician in Marlborough, MA
• Providers in Marlborough, MA by specialty
• MOHS-Micrographic Surgery Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.