Harold Rosen, M.D.
NPI 1104864420 · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Rosen, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Boston, MA (NPI 1104864420).
Provider details
- NPI number
- 1104864420
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59176 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
4,117 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) |
|---|---|---|
| Dxa Bone Density Measurement of Forearm, Finger, Hand, Or Foot77081 | 1,267 | $36 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 933 | $44 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine Including Spine Fracture Assessment77085 | 524 | $60 |
| 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 | 343 | $17 |
| X-Ray of Thigh Bone, Minimum 2 Views73552 | 325 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 538 | 155 |
| Levothyroxine Sodium | 109 | 31 |
| Levothyroxine Sodiumbrand: Synthroid | 53 | 16 |
| Calcitriol | 37 | — |
| Risedronate Sodium | 24 | — |
| Levothyroxine Sodiumbrand: Levoxyl | 18 | — |
| Testosterone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2011-05-05
Frequently asked questions
- What is Harold Rosen's NPI number?
- Harold Rosen's National Provider Identifier (NPI) is 1104864420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Rosen's specialty?
- Harold Rosen is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Harold Rosen located?
- Harold Rosen's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5400.
- What is Harold Rosen's phone number?
- The practice phone number listed in the NPPES registry for Harold Rosen is (617) 667-1765.
- Does Harold Rosen accept Medicare?
- Harold Rosen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Rosen's NPI active?
- Yes — Harold Rosen's NPI (1104864420) is active in the NPPES registry as of the last update on 2011-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.