Donald Lazarus, MD
NPI 1073670535 · Pulmonary Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Lazarus, MD is a Pulmonary Disease Physician provider in Houston, TX (NPI 1073670535).
Provider details
- NPI number
- 1073670535
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- N2161 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-01-03
- Last updated
- 2014-06-18
Frequently asked questions
- What is Donald Lazarus's NPI number?
- Donald Lazarus's National Provider Identifier (NPI) is 1073670535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Lazarus's specialty?
- Donald Lazarus is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Lazarus located?
- Donald Lazarus's practice location on file with NPPES is 6620 Main St Ste 1225, Houston, TX 77030-2331.
- What is Donald Lazarus's phone number?
- The practice phone number listed in the NPPES registry for Donald Lazarus is (713) 798-2400.
- Does Donald Lazarus accept Medicare?
- Donald Lazarus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Lazarus's NPI active?
- Yes — Donald Lazarus's NPI (1073670535) is active in the NPPES registry as of the last update on 2014-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.