Thelma Korpman, MD
NPI 1558420158 · Anesthesiology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thelma Korpman, MD is a Anesthesiology Physician provider in Fontana, CA (NPI 1558420158).
Provider details
- NPI number
- 1558420158
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G30625 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-08
- Last updated
- 2021-11-29
Frequently asked questions
- What is Thelma Korpman's NPI number?
- Thelma Korpman's National Provider Identifier (NPI) is 1558420158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thelma Korpman's specialty?
- Thelma Korpman is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thelma Korpman located?
- Thelma Korpman's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Thelma Korpman's phone number?
- The practice phone number listed in the NPPES registry for Thelma Korpman is (909) 427-3910.
- Does Thelma Korpman accept Medicare?
- Thelma Korpman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thelma Korpman's NPI active?
- Yes — Thelma Korpman's NPI (1558420158) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.