Dominic Geffken, M.D.
NPI 1861497778 · Family Medicine Physician · Concord, NH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dominic Geffken, M.D. is a Family Medicine Physician provider in Concord, NH (NPI 1861497778).
Provider details
- NPI number
- 1861497778
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 12378 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 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
240 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 87 | $96 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 72 | $77 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 27 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 25 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $65 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 101 | 16 |
| Atorvastatin Calcium | 97 | 20 |
| Furosemide | 80 | 14 |
| Oxycodone Hcl | 80 | 11 |
| Omeprazole | 77 | 11 |
| Metoprolol Tartrate | 60 | 12 |
| Gabapentin | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2011-08-23
Frequently asked questions
- What is Dominic Geffken's NPI number?
- Dominic Geffken's National Provider Identifier (NPI) is 1861497778, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dominic Geffken's specialty?
- Dominic Geffken is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dominic Geffken located?
- Dominic Geffken's practice location on file with NPPES is 250 Pleasant St, Concord, NH 03301-7539.
- What is Dominic Geffken's phone number?
- The practice phone number listed in the NPPES registry for Dominic Geffken is (603) 228-7200.
- Does Dominic Geffken accept Medicare?
- Dominic Geffken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dominic Geffken's NPI active?
- Yes — Dominic Geffken's NPI (1861497778) is active in the NPPES registry as of the last update on 2011-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.