Michael Holtzman, MD
NPI 1548288228 · Pulmonary Disease Physician · Saint Louis, MO
Michael Holtzman, MD is a Pulmonary Disease Physician provider in Saint Louis, MO (NPI 1548288228).
Provider details
- NPI number
- 1548288228
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R2H44 (MO)
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
- 2006-07-18
- Last updated
- 2025-04-17
Frequently asked questions
- What is Michael Holtzman's NPI number?
- Michael Holtzman's National Provider Identifier (NPI) is 1548288228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Holtzman's specialty?
- Michael Holtzman is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Holtzman located?
- Michael Holtzman's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Michael Holtzman's phone number?
- The practice phone number listed in the NPPES registry for Michael Holtzman is (314) 362-8983.
- Is Michael Holtzman's NPI active?
- Yes — Michael Holtzman's NPI (1548288228) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.