David Gastfriend, M.D.
NPI 1174562169 · Psychiatry Physician · Boston, MA
David Gastfriend, M.D. is a Psychiatry Physician provider in Boston, MA (NPI 1174562169).
Provider details
- NPI number
- 1174562169
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 49148 (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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2021-10-23
- Certified
- 2021-10-23
Frequently asked questions
- What is David Gastfriend's NPI number?
- David Gastfriend's National Provider Identifier (NPI) is 1174562169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gastfriend's specialty?
- David Gastfriend is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is David Gastfriend located?
- David Gastfriend's practice location on file with NPPES is 6 Liberty Sq Ste 2102, Boston, MA 02109-5800.
- What is David Gastfriend's phone number?
- The practice phone number listed in the NPPES registry for David Gastfriend is (617) 283-6495.
- Is David Gastfriend's NPI active?
- Yes — David Gastfriend's NPI (1174562169) is active in the NPPES registry as of the last update on 2021-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.