Isaac Mayefsky, MD
NPI 1386261295 · Hospitalist Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Isaac Mayefsky, MD is a Hospitalist Physician provider in Park Ridge, IL (NPI 1386261295).
Provider details
- NPI number
- 1386261295
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036.175344 (IL)
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4440 W 95th St Ste 2177hOak Lawn, IL 60453-2600Phone: (708) 684-5341Fax: (708) 684-4716
Registry dates
- Enumerated
- 2020-06-26
- Last updated
- 2025-08-05
- Certified
- 2025-08-05
Frequently asked questions
- What is Isaac Mayefsky's NPI number?
- Isaac Mayefsky's National Provider Identifier (NPI) is 1386261295, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isaac Mayefsky's specialty?
- Isaac Mayefsky is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Isaac Mayefsky located?
- Isaac Mayefsky's practice location on file with NPPES is 1675 Dempster St, Park Ridge, IL 60068-1110.
- What is Isaac Mayefsky's phone number?
- The practice phone number listed in the NPPES registry for Isaac Mayefsky is (847) 723-2210.
- Does Isaac Mayefsky accept Medicare?
- Isaac Mayefsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Isaac Mayefsky's NPI active?
- Yes — Isaac Mayefsky's NPI (1386261295) is active in the NPPES registry as of the last update on 2025-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.