Thomas Slavin, M.D.
NPI 1023224557 · Clinical Genetics (M.D.) Physician · La Crescenta, CA
Thomas Slavin, M.D. is a Clinical Genetics (M.D.) Physician provider in La Crescenta, CA (NPI 1023224557).
Provider details
- NPI number
- 1023224557
- Entity type
- Individual
- Primary specialty
- Clinical Genetics (M.D.) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD15651 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
19 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
- 2007-05-14
- Last updated
- 2020-03-03
- Certified
- 2020-03-03
Frequently asked questions
- What is Thomas Slavin's NPI number?
- Thomas Slavin's National Provider Identifier (NPI) is 1023224557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Slavin's specialty?
- Thomas Slavin is listed in the NPPES registry with a primary specialty of Clinical Genetics (M.D.) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Slavin located?
- Thomas Slavin's practice location on file with NPPES is 2430 Cross St, La Crescenta, CA 91214-3103.
- What is Thomas Slavin's phone number?
- The practice phone number listed in the NPPES registry for Thomas Slavin is (626) 256-8662.
- Is Thomas Slavin's NPI active?
- Yes — Thomas Slavin's NPI (1023224557) is active in the NPPES registry as of the last update on 2020-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.