James Feldman, M. D.
NPI 1427145028 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Feldman, M. D. is a Psychiatry Physician provider in Boston, MA (NPI 1427145028).
Provider details
- NPI number
- 1427145028
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- 59346 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 165 | 18 |
| Clozapine | 117 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 102 | 16 |
| Haloperidol | 73 | — |
| Olanzapine | 69 | 11 |
| Haloperidol Decanoate | 67 | — |
| Benztropine Mesylate | 61 | — |
| Cariprazine Hclbrand: Vraylar |
Practice location
Mailing address
Additional practice locations (1)
- 780 Albany StBoston, MA 02118-2755Phone: (857) 654-1000
Registry dates
- Enumerated
- 2006-10-06
- Last updated
- 2021-07-02
- Certified
- 2021-07-02
Frequently asked questions
- What is James Feldman's NPI number?
- James Feldman's National Provider Identifier (NPI) is 1427145028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Feldman's specialty?
- James Feldman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is James Feldman located?
- James Feldman's practice location on file with NPPES is 75 Fenwood Rd, Boston, MA 02115-6103.
- What is James Feldman's phone number?
- The practice phone number listed in the NPPES registry for James Feldman is (617) 626-9483.
- Does James Feldman accept Medicare?
- James Feldman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Feldman's NPI active?
- Yes — James Feldman's NPI (1427145028) is active in the NPPES registry as of the last update on 2021-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.