Quick answers
- Does Halward M. Blegen Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Halward M. Blegen Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Halward M. Blegen Iii see?
- In 2024, CMS data shows 165 Original Medicare patients and 835 services for Halward M. Blegen Iii. This counts Original Medicare only and measures volume, not quality.
- What is Halward M. Blegen Iii's NPI number?
- 1134121502. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Halward M. Blegen Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 165 |
|---|---|
| Services billed to Medicare | 835 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)240 services
- Advance care planning, first 30 minutes (99497)130 services
- Annual depression screening, 5 to 15 minutes (G0444)121 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)120 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)111 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Ischemic heart disease25%
- Chronic kidney disease25%
- Atrial fibrillation21%
Hospitals where Halward M. Blegen Iii works
Medicare's Facility Affiliation Data lists Halward M. Blegen Iii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Beth Israel Deaconess Hospital PlymouthPlymouth, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220060
Practice locations
Addresses where Halward M. Blegen Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 110 Long Pond Rd, Suite 205Plymouth, MA 02360 (508) 888‑7221
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Plymouth
Clinicians with the same Medicare primary specialty in Plymouth, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1134121502 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians