David Gruber, MD
NPI 1649299256 · Dermatology Physician · Andover, MA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Gruber, MD is a Dermatology Physician provider in Andover, MA (NPI 1649299256).
Provider details
- NPI number
- 1649299256
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 207782 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,783 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 739 | $85 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 430 | $6 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 383 | $60 |
| Biopsy of Related Skin Growth, First Growth11102 | 114 | $95 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 85 | $53 |
| Destruction of Skin Growth, 1-14 Growths |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 115 | 79 |
| Fluorouracil | 90 | 87 |
| Imiquimod | 58 | 43 |
| Mupirocin | 40 | 32 |
| Betamethasone Dipropionate | 36 | 21 |
| Ciclopirox Olaminebrand: Ciclopirox | 32 | 20 |
| Hydrocortisone | 31 | 22 |
| Clindamycin Phosphate | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Gruber's NPI number?
- David Gruber's National Provider Identifier (NPI) is 1649299256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gruber's specialty?
- David Gruber is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is David Gruber located?
- David Gruber's practice location on file with NPPES is 138 Haverhill St, Andover, MA 01810-1509.
- What is David Gruber's phone number?
- The practice phone number listed in the NPPES registry for David Gruber is (978) 475-4322.
- Does David Gruber accept Medicare?
- David Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gruber's NPI active?
- Yes — David Gruber's NPI (1649299256) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.