Ole-Petter Hamnvik, M.D.
NPI 1063603678 · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ole-Petter Hamnvik, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Boston, MA (NPI 1063603678).
Provider details
- NPI number
- 1063603678
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 239696 (MA)
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 tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
285 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 95 | $100 |
| 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 | 83 | $17 |
| 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 | 36 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 119 | 39 |
| Metformin Hcl | 49 | 14 |
| Semaglutidebrand: Ozempic | 49 | 11 |
| Atorvastatin Calcium | 46 | 11 |
| Empagliflozinbrand: Jardiance | 38 | — |
| Hydrocortisone | 32 | — |
| Testosterone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$250 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 221 Longwood AveRfb-2Boston, MA 02115-5804Phone: (617) 732-5666Fax: (617) 525-4036
Registry dates
- Enumerated
- 2007-08-08
- Last updated
- 2026-04-02
- Certified
- 2026-04-02
Frequently asked questions
- What is Ole-Petter Hamnvik's NPI number?
- Ole-Petter Hamnvik's National Provider Identifier (NPI) is 1063603678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ole-Petter Hamnvik's specialty?
- Ole-Petter Hamnvik is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Ole-Petter Hamnvik located?
- Ole-Petter Hamnvik's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Ole-Petter Hamnvik's phone number?
- The practice phone number listed in the NPPES registry for Ole-Petter Hamnvik is (617) 724-3782.
- Does Ole-Petter Hamnvik accept Medicare?
- Ole-Petter Hamnvik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ole-Petter Hamnvik's NPI active?
- Yes — Ole-Petter Hamnvik's NPI (1063603678) is active in the NPPES registry as of the last update on 2026-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.