Doctor profile · Federal record

Dr. Ole-Petter Hamnvik, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Boston, MA

  • NPI 1063603678
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142621
(617) 724-3782
Additional location
221 Longwood Ave, Rfb-2
Boston, MA 021155804
(617) 732-5666
fax (617) 525-4036
Mailing address
221 Longwood Ave, Rfb-2
Boston, MA 021155804

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
April 2, 2026
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Massachusetts #239696

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063603678. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
208
Distinct HCPCS
5
Medicare allowed
$21,707
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 132 124 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 31 31 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 19 19 $147
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $142
99214 Established patient office or other outpatient visit, 30-39 minutes 13 11 $104

In context: peer comparison

Among 97 peers in Boston Endocrinology, Diabetes & Metabolism Physician, average services per provider: 116. This provider delivers 1.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$250
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $250.00

By nature of payment

Consulting Fee
$250

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
618
Patients
104
Total drug cost
$248,678
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 162 48 $2,702
Metformin Hcl Generic 64 18 $652
Ozempic (Semaglutide) Brand 50 13 $112,062
Jardiance (Empagliflozin) Brand 49 13 $70,483
Testosterone Cypionate Generic 42 0 $1,099
Hydrocortisone Generic 38 0 $1,878
Atorvastatin Calcium Generic 37 12 $841
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 29 0 $2,858
Rosuvastatin Calcium Generic 25 0 $3,028
Synthroid (Levothyroxine Sodium) Brand 25 0 $2,074

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ole-Petter Hamnvik's medical specialty?
Dr. Ole-Petter Hamnvik practices Endocrinology, Diabetes & Metabolism Physician in Boston, MA.
Where does Dr. Ole-Petter Hamnvik practice?
Dr. Ole-Petter Hamnvik practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177243782.
What is Dr. Ole-Petter Hamnvik's NPI?
Dr. Ole-Petter Hamnvik's National Provider Identifier (NPI) is 1063603678, issued by NPPES.
Does Dr. Ole-Petter Hamnvik accept Medicare assignment?
Yes. Dr. Ole-Petter Hamnvik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ole-Petter Hamnvik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.