David E Geist, M.D.
Dermatology (CMS) · Marlborough, MA
At a glance
201 Boston Post Rd W Ste 200&202, Marlborough, MA 01752-4667
Published activity: Melanoma (skin cancer) excision · Removal of skin cancer · Removal of skin lesions. View counts and coverage
NPPES record updated Sep 11, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
201 Boston Post Rd W Ste 200&202Marlborough, MA 01752-4667
Additional reported practice locations
54 Baker Avenue Ext Ste 305Concord, MA 017422143
Phone: 9783717010 86 Baker Avenue Ext Ste 100
Concord, MA 017422132
Phone: 9783717010
Fax: 9783710522 288 Grove St Ste 201
Worcester, MA 016053934
Phone: 5085523130
Fax: 9783710522
Education & affiliations
- Medical / professional school
- Yale University School Of Medicine
- Graduation year
- 2003
- CMS specialties
- Dermatology
Practice groups
Reported hospital affiliations
- Emerson Hospital - W Concord, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Melanoma (skin cancer) excision | 100 |
| Removal of skin cancer | 686 |
| Removal of skin lesions | 62 |
| Removal or shaving of skin growth | 1-10 |
| Skin biopsy | 23 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology (CMS)
- Taxonomy code
- 207ND0101X
- Enumeration date
- Aug 20, 2006
- Record updated
- Sep 11, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207ND0101X · Primary
License reported: 226095 MA
207N00000X
License reported: 226095 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
201 Boston Post Rd W Ste 200&202Marlborough, MA 01752-4667
- Phone
- (508) 460-9613
- Fax
- (978) 371-0522
Mailing address
526 MAIN ST STE 302ACTON, MA 017203310
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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