Ronald Schwartz, M.D
NPI 1891895702 · General Practice Physician · Santa Clarita, CA
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Schwartz, M.D is a General Practice Physician provider in Santa Clarita, CA (NPI 1891895702).
Provider details
- NPI number
- 1891895702
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- A39334 (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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 41 |
| Omeprazole | 36 |
| Atorvastatin Calcium | 31 |
| Apixabanbrand: Eliquis | 23 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 21 |
| Tamsulosin Hcl | 18 |
| Metformin Hcl | 17 |
| Amlodipine Besylate | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2008-05-15
Frequently asked questions
- What is Ronald Schwartz's NPI number?
- Ronald Schwartz's National Provider Identifier (NPI) is 1891895702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Schwartz's specialty?
- Ronald Schwartz is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Schwartz located?
- Ronald Schwartz's practice location on file with NPPES is 21700 Golden Triangle Rd, Santa Clarita, CA 91350-2616.
- What is Ronald Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Ronald Schwartz is (661) 260-1155.
- Does Ronald Schwartz accept Medicare?
- Ronald Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Schwartz's NPI active?
- Yes — Ronald Schwartz's NPI (1891895702) is active in the NPPES registry as of the last update on 2008-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.