Rebecca Warkol MD LLC
NPI 1508266479 · Internal Medicine Physician · Old Greenwich, CT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Warkol MD LLC is a Internal Medicine Physician organization in Old Greenwich, CT (NPI 1508266479).
Provider details
- NPI number
- 1508266479
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Rebecca Warkol, Owner(203) 637-5406
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
11 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
- 2014-08-28
- Last updated
- 2015-05-14
Frequently asked questions
- What is Rebecca Warkol MD LLC's NPI number?
- Rebecca Warkol MD LLC's National Provider Identifier (NPI) is 1508266479, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Rebecca Warkol MD LLC?
- Rebecca Warkol MD LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Warkol MD LLC located?
- Rebecca Warkol MD LLC's practice location on file with NPPES is 8 W End Ave, Old Greenwich, CT 06870-1642.
- What is Rebecca Warkol MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Warkol MD LLC is (203) 637-5406.
- Does Rebecca Warkol MD LLC accept Medicare?
- Rebecca Warkol MD LLC 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 Rebecca Warkol MD LLC?
- The authorized official listed on Rebecca Warkol MD LLC's NPPES record is Rebecca Warkol, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Rebecca Warkol MD LLC's NPI active?
- Yes — Rebecca Warkol MD LLC's NPI (1508266479) is active in the NPPES registry as of the last update on 2015-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.