Karen Gelfand, MD
NPI 1437243862 · Pediatrics Physician · Greeley, CO
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Gelfand, MD is a Pediatrics Physician provider in Greeley, CO (NPI 1437243862).
Provider details
- NPI number
- 1437243862
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2004-0482 (NM)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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 (2)
- 407 S Schwartz AveSte 102Farmington, NM 87401-5925Phone: (505) 609-6700Fax: (505) 609-6701
- 1393 Weimer RdTaos, NM 87571-6201Phone: (575) 758-8651
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Karen Gelfand's NPI number?
- Karen Gelfand's National Provider Identifier (NPI) is 1437243862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Gelfand's specialty?
- Karen Gelfand is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Gelfand located?
- Karen Gelfand's practice location on file with NPPES is 1610 29th Avenue Pl Ste 101, Greeley, CO 80634-6800.
- What is Karen Gelfand's phone number?
- The practice phone number listed in the NPPES registry for Karen Gelfand is (970) 356-2600.
- Does Karen Gelfand accept Medicare?
- Karen Gelfand is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Gelfand's NPI active?
- Yes — Karen Gelfand's NPI (1437243862) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.