Michael Samoszuk, M.D.
NPI 1619270303 · Anatomic Pathology & Clinical Pathology Physician · Rancho Santa Margarita, CA
Michael Samoszuk, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Rancho Santa Margarita, CA (NPI 1619270303).
Provider details
- NPI number
- 1619270303
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G44314 (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
15 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
- 2010-12-18
- Last updated
- 2010-12-18
Frequently asked questions
- What is Michael Samoszuk's NPI number?
- Michael Samoszuk's National Provider Identifier (NPI) is 1619270303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Samoszuk's specialty?
- Michael Samoszuk is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Samoszuk located?
- Michael Samoszuk's practice location on file with NPPES is 1 Serna, Rancho Santa Margarita, CA 92688-2738.
- What is Michael Samoszuk's phone number?
- The practice phone number listed in the NPPES registry for Michael Samoszuk is (949) 303-8011.
- Is Michael Samoszuk's NPI active?
- Yes — Michael Samoszuk's NPI (1619270303) is active in the NPPES registry as of the last update on 2010-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.