Individual provider Active NPI

David E Geist, M.D.

  • MOHS-Micrographic Surgery Physician
  • Marlborough, MA
National Provider Identifier
1124133277
Registry record updated Sep 11, 2026
On this page

Key facts

NPPES NPI Registry
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
Sex
Male
Sole proprietor
No

Organizations & group practices 5

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.

Hospital & facility affiliations 1

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

Care Compare profile

Medicare Care Compare
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 PC 38 clinicians

Practice addresses (Care Compare)

54 Baker Ave Ext
Suite 305
Concord, MA 01742-2143
Phone (978) 371-7010

Hospital & facility affiliations

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

Procedures performed for Medicare patients

ProcedureNumber of procedures
Melanoma (skin cancer) excision126
Removal of skin lesions87
Removal of skin cancer694
Removal of nail tissue1-10
Removal or shaving of skin growth1-10
Skin biopsy36

Medicare participation

Medicare enrollment files
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.

Medicare enrollment records 1

Medicare enrollment files
Enrollment IDStateProvider typePAC IDDetails
I20070830000230 MA Practitioner - Dermatology 9133212525 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
226095MAMDMOHS-Micrographic Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Adult & Pediatric Dermatology, P.C. Dermatology CurrentSince May 1, 2013 Accepting new patients
Emerson Hospital Current Accepting new patients
Apderm North, PC Dermatology PastSince Jul 24, 2022 Accepting new patients
Apderm Massachusetts PC Dermatology Past Accepting new patients
Umass Memorial Medical Group Inc Past Accepting new patients

Locations

54 Baker Avenue Ext
Ste 305
Concord, MA 01742

54 Baker Avenue Ext
Ste 305306
Concord, MA 01742
Phone (351) 300-0110

201 Boston Post Rd W
Ste 200202
Marlborough, MA 01752
Phone (508) 460-9613

288 Grove St
Ste 201
Worcester, MA 01605
Phone (508) 552-3130

Interoperability endpoints

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

Specialties & licenses 2

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
MOHS-Micrographic Surgery Physician 207ND0101X 226095 MA Primary
Dermatology Physician 207N00000X 226095 MA

Addresses

NPPES NPI Registry

Primary practice location

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

Mailing address

526 Main St Ste 302
Acton, MA 01720-3310
Phone (978) 371-7010

Other practice location 1

54 Baker Avenue Ext Ste 305
Concord, MA 01742-2143
Phone (978) 371-7010

Other practice location 2

86 Baker Avenue Ext Ste 100
Concord, MA 01742-2132
Phone (978) 371-7010

Other practice location 3

288 Grove St Ste 201
Worcester, MA 01605-3934
Phone (508) 552-3130

Other identifiers 1

NPPES NPI Registry
IdentifierTypeStateIssuer
2136121MedicaidMA

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Sep 11, 2026.

{
    "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": "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"
        },
        {
            "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"
        }
    ],
    "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": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2136121",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Marlborough, MA

Sources for this page

Verify at the official NPI Registry.