Warren Isakow, MD
NPI 1285607341 · Pulmonary Disease Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Isakow, MD is a Pulmonary Disease Physician provider in Saint Louis, MO (NPI 1285607341).
Provider details
- NPI number
- 1285607341
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2003022301 (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
20 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
- 2006-02-09
- Last updated
- 2018-01-24
Frequently asked questions
- What is Warren Isakow's NPI number?
- Warren Isakow's National Provider Identifier (NPI) is 1285607341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Isakow's specialty?
- Warren Isakow is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Isakow located?
- Warren Isakow's practice location on file with NPPES is 4921 Parkview Pl Ste 8b, Saint Louis, MO 63110-1032.
- What is Warren Isakow's phone number?
- The practice phone number listed in the NPPES registry for Warren Isakow is (314) 454-8917.
- Does Warren Isakow accept Medicare?
- Warren Isakow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Isakow's NPI active?
- Yes — Warren Isakow's NPI (1285607341) is active in the NPPES registry as of the last update on 2018-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.