Michael Rosas, M.D.
NPI 1538334198 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Rosas, M.D. is a Psychiatry Physician provider in Boston, MA (NPI 1538334198).
Provider details
- NPI number
- 1538334198
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 232859 (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 tenure28% of score
18 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
99 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 74 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $126 |
Typical Medicare-allowed amounts for these services range $79–$126 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 159 | 27 |
| Escitalopram Oxalate | 133 | 24 |
| Trazodone Hcl | 100 | 18 |
| Duloxetine Hcl | 83 | — |
| Bupropion Hclbrand: Bupropion Xl | 79 | 11 |
| Aripiprazole | 50 | — |
| Olanzapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-24
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Michael Rosas's NPI number?
- Michael Rosas's National Provider Identifier (NPI) is 1538334198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Rosas's specialty?
- Michael Rosas is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Rosas located?
- Michael Rosas's practice location on file with NPPES is 85 E Newton St # M802, Boston, MA 02118-2340.
- What is Michael Rosas's phone number?
- The practice phone number listed in the NPPES registry for Michael Rosas is (617) 638-8540.
- Does Michael Rosas accept Medicare?
- Michael Rosas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Rosas's NPI active?
- Yes — Michael Rosas's NPI (1538334198) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.