Flex Medical PC
NPI 1255586517 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Flex Medical PC is a Internal Medicine Physician organization in New York, NY (NPI 1255586517).
Provider details
- NPI number
- 1255586517
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sofya Kleyn, Owner(212) 571-5000
- License
- 243074 (NY)
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
17 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
- 2008-11-28
- Last updated
- 2025-03-07
- Certified
- 2025-03-07
Frequently asked questions
- What is Flex Medical PC's NPI number?
- Flex Medical PC's National Provider Identifier (NPI) is 1255586517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Flex Medical PC?
- Flex Medical PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Flex Medical PC located?
- Flex Medical PC's practice location on file with NPPES is 225 Broadway, New York, NY 10007-3001.
- What is Flex Medical PC's phone number?
- The practice phone number listed in the NPPES registry for Flex Medical PC is (212) 571-5000.
- Does Flex Medical PC accept Medicare?
- Flex Medical PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Flex Medical PC?
- The authorized official listed on Flex Medical PC's NPPES record is Sofya Kleyn, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Flex Medical PC's NPI active?
- Yes — Flex Medical PC's NPI (1255586517) is active in the NPPES registry as of the last update on 2025-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.