Karen Nelson, M.D
NPI 1336229368 · Multi-Specialty Clinic/Center · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Nelson, M.D is a Multi-Specialty Clinic/Center provider in New York, NY (NPI 1336229368).
Provider details
- NPI number
- 1336229368
- Entity type
- Individual
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- 201217 (NY)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-16
- Last updated
- 2010-07-07
Frequently asked questions
- What is Karen Nelson's NPI number?
- Karen Nelson's National Provider Identifier (NPI) is 1336229368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Nelson's specialty?
- Karen Nelson is listed in the NPPES registry with a primary specialty of Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Karen Nelson located?
- Karen Nelson's practice location on file with NPPES is 275 7th Ave, New York, NY 10001-6708.
- What is Karen Nelson's phone number?
- The practice phone number listed in the NPPES registry for Karen Nelson is (212) 924-2510.
- Does Karen Nelson accept Medicare?
- Karen Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Nelson's NPI active?
- Yes — Karen Nelson's NPI (1336229368) is active in the NPPES registry as of the last update on 2010-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.