David Horak, MD
NPI 1972601755 · Critical Care Medicine (Internal Medicine) Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Horak, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Duarte, CA (NPI 1972601755).
Provider details
- NPI number
- 1972601755
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G40765 (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
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
- 2006-09-20
- Last updated
- 2023-11-27
- Certified
- 2020-11-02
Frequently asked questions
- What is David Horak's NPI number?
- David Horak's National Provider Identifier (NPI) is 1972601755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Horak's specialty?
- David Horak is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is David Horak located?
- David Horak's practice location on file with NPPES is 1500 E Duarte Rd, Duarte, CA 91010.
- What is David Horak's phone number?
- The practice phone number listed in the NPPES registry for David Horak is (626) 359-8111.
- Does David Horak accept Medicare?
- David Horak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Horak's NPI active?
- Yes — David Horak's NPI (1972601755) is active in the NPPES registry as of the last update on 2023-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.