IndividualActive
Caleb Gardner, MD
NPI 1871906537 · Psychiatry Physician · Cambridge, MA
Caleb Gardner, MD is a Psychiatry Physician provider in Cambridge, MA (NPI 1871906537).
Provider details
- NPI number
- 1871906537
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 273877 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
875 Mass Ave Ste 21
Cambridge, MA 02139-3070
Phone: (617) 665-1000
Street-level locationGet directions
Mailing address
58 Highland St
Cambridge, MA 02138-3332
Registry dates
- Enumerated
- 2014-06-10
- Last updated
- 2021-07-07
- Certified
- 2021-07-07
Frequently asked questions
- What is Caleb Gardner's NPI number?
- Caleb Gardner's National Provider Identifier (NPI) is 1871906537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caleb Gardner's specialty?
- Caleb Gardner is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Caleb Gardner located?
- Caleb Gardner's practice location on file with NPPES is 875 Mass Ave Ste 21, Cambridge, MA 02139-3070.
- What is Caleb Gardner's phone number?
- The practice phone number listed in the NPPES registry for Caleb Gardner is (617) 665-1000.
- Is Caleb Gardner's NPI active?
- Yes — Caleb Gardner's NPI (1871906537) is active in the NPPES registry as of the last update on 2021-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.