Michael Krelstein, MD
NPI 1396864518 · Psychiatry Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Krelstein, MD is a Psychiatry Physician provider in San Diego, CA (NPI 1396864518).
Provider details
- NPI number
- 1396864518
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A60039 (CA)
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
4 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.
Practice location
Mailing address
Additional practice locations (3)
- 9300 Campus Point DrLa Jolla, CA 92037-1300Phone: (800) 926-8273Fax: (888) 539-8781
- 3855 Health Sciences DrLa Jolla, CA 92093-3115Phone: (800) 926-8273Fax: (888) 539-8781
- 3853 Rosecrans StSan Diego, CA 92110-3115Phone: (702) 743-1911
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2025-06-11
- Certified
- 2025-06-11
Frequently asked questions
- What is Michael Krelstein's NPI number?
- Michael Krelstein's National Provider Identifier (NPI) is 1396864518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Krelstein's specialty?
- Michael Krelstein is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Krelstein located?
- Michael Krelstein's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Michael Krelstein's phone number?
- The practice phone number listed in the NPPES registry for Michael Krelstein is (800) 926-8273.
- Does Michael Krelstein accept Medicare?
- Michael Krelstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Krelstein's NPI active?
- Yes — Michael Krelstein's NPI (1396864518) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.