Doctor profile · Federal record

Dr. Halward Blegen, MD

Internal Medicine Physician (CMS: Internal Medicine) · Sagamore Beach, MA

  • NPI 1134121502
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
180 State RD
Sagamore Beach, MA 025622362
(508) 888-7221
fax (508) 888-2062

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
July 2, 2012
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #49939
Medicaid
MA #0175374

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134121502. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
768
Distinct HCPCS
8
Medicare allowed
$79,940
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 187 116 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 145 98 $93
99497 Advance care planning, first 30 minutes 119 117 $84
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $132
G0444 Annual depression screening, 5 to 15 minutes 108 108 $19
99443 Telephone medical discussion with physician, 21-30 minutes 61 47 $130
99496 Transitional care management services for problem of high complexity 27 19 $284
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 13 12 $15

In context: peer comparison

Among 1 peers in Sagamore Beach Internal Medicine Physician, average services per provider: 96. This provider delivers 8.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,113
Patients
304
Total drug cost
$17,195
Drug Type Claims Patients Total cost
Lisinopril Generic 206 53 $2,097
Atorvastatin Calcium Generic 119 36 $2,645
Amlodipine Besylate Generic 86 24 $775
Losartan Potassium Generic 77 20 $1,355
Lovastatin Generic 74 22 $975
Metoprolol Succinate Generic 71 21 $1,566
Omeprazole Generic 64 25 $1,987
Atenolol Generic 59 15 $675
Lorazepam Generic 55 0 $353
Sertraline Hcl Generic 55 15 $571

Frequently asked questions

Auto-generated from federal data
What is Dr. Halward Blegen's medical specialty?
Dr. Halward Blegen practices Internal Medicine Physician in Sagamore Beach, MA.
Where does Dr. Halward Blegen practice?
Dr. Halward Blegen practices at 180 State RD, Sagamore Beach, MA 025622362. Office phone: 5088887221.
What is Dr. Halward Blegen's NPI?
Dr. Halward Blegen's National Provider Identifier (NPI) is 1134121502, issued by NPPES.
Does Dr. Halward Blegen accept Medicare assignment?
Yes. Dr. Halward Blegen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Halward Blegen 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); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.