Isaac Faibisoff, MD
NPI 1134114887 · Neurology Physician · Saint Louis, MO
Enrolled with Medicare as Order and Referring Only - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Faibisoff, MD is a Neurology Physician provider in Saint Louis, MO (NPI 1134114887).
Provider details
- NPI number
- 1134114887
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-105092 (IL)
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
- 2005-09-19
- Last updated
- 2025-03-12
- Certified
- 2025-03-12
Frequently asked questions
- What is Isaac Faibisoff's NPI number?
- Isaac Faibisoff's National Provider Identifier (NPI) is 1134114887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Faibisoff's specialty?
- Isaac Faibisoff is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Faibisoff located?
- Isaac Faibisoff's practice location on file with NPPES is 915 N Grand Blvd, Saint Louis, MO 63106-1621.
- What is Isaac Faibisoff's phone number?
- The practice phone number listed in the NPPES registry for Isaac Faibisoff is (314) 289-4706.
- Does Isaac Faibisoff accept Medicare?
- Isaac Faibisoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Faibisoff's NPI active?
- Yes — Isaac Faibisoff's NPI (1134114887) is active in the NPPES registry as of the last update on 2025-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.