David Fischel, D.O., M.S.
NPI 1821355033 · Internal Medicine Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Fischel, D.O., M.S. is a Internal Medicine Physician provider in Pasadena, CA (NPI 1821355033).
Provider details
- NPI number
- 1821355033
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O., M.S.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2012-04-12
- Last updated
- 2016-09-01
Frequently asked questions
- What is David Fischel's NPI number?
- David Fischel's National Provider Identifier (NPI) is 1821355033, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Fischel's specialty?
- David Fischel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Fischel located?
- David Fischel's practice location on file with NPPES is 100 W California Blvd, Pasadena, CA 91105-3010.
- What is David Fischel's phone number?
- The practice phone number listed in the NPPES registry for David Fischel is (626) 397-5000.
- Does David Fischel accept Medicare?
- David Fischel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Fischel's NPI active?
- Yes — David Fischel's NPI (1821355033) is active in the NPPES registry as of the last update on 2016-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.