William Feldman, M.D., D.PHIL.
NPI 1699157123 · Pulmonary Disease Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Feldman, M.D., D.PHIL. is a Pulmonary Disease Physician provider in Los Angeles, CA (NPI 1699157123).
Provider details
- NPI number
- 1699157123
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., D.PHIL.
- Sex
- Male
- Sole proprietor
- No
- License
- C196568 (CA)
Specialties & taxonomies
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
11 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
- 2015-06-21
- Last updated
- 2025-10-01
- Certified
- 2025-10-01
Frequently asked questions
- What is William Feldman's NPI number?
- William Feldman's National Provider Identifier (NPI) is 1699157123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Feldman's specialty?
- William Feldman is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Feldman located?
- William Feldman's practice location on file with NPPES is 200 Ucla Medical Plz Ste 365b, Los Angeles, CA 90095-8344.
- What is William Feldman's phone number?
- The practice phone number listed in the NPPES registry for William Feldman is (310) 825-7921.
- Does William Feldman accept Medicare?
- William Feldman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Feldman's NPI active?
- Yes — William Feldman's NPI (1699157123) is active in the NPPES registry as of the last update on 2025-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.