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KAREN GELFAND MD
NPI 1437243862
Pediatrics in Greeley, CO

Active since October 02, 2006PECOS Enrolled
1610 29TH AVENUE PL STE 101, GREELEY, CO 80634(970) 356-2600(970) 356-2633 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Karen Gelfand Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN GELFAND MD (NPI 1437243862) is an individual pediatrics provider in Greeley, Colorado, licensed in New Mexico (2004-0482) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2001).

NPPES Registry Identity

NPI1437243862
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKAREN GELFANDCredential: MD
Location Address1610 29TH AVENUE PL STE 101Greeley, CO 80634-6800
Mailing Address1724 Brookhaven Cir E Apt BFort Collins, CO 80525-1185 · (505) 793-6329
Phone(970) 356-2600
Fax(970) 356-2633
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2001
Enumeration DateOctober 2, 2006
Last NPPES UpdateMay 27, 2026
NPPES CertifiedMay 27, 2026
✔ NPI 1437243862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in NM · 2004-0482✔ Licensed in CO · DR.0057239
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
1610 29TH AVENUE PL STE 101, Greeley, CO 80634
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Secondary Practice Locations 2

Location 11393 Weimer RdTaos, NM 87571-6201 · Phone (575) 758-8651
Location 2407 S Schwartz Ave, STE 102Farmington, NM 87401-5925 · Phone (505) 609-6700 · Fax (505) 609-6701

Other Identifiers 1

Medicaid14083884NM

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Wyoming.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Gelfand Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022447846
PECOS Enrollment IDI20260209002590
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Karen Gelfand reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorial Hospital Of Sweetwater County
249 mi
Internal Medicine
1180 COLLEGE DRIVE
Rock Springs, WY 82901
  • Reassigned Medicare billing, Wyoming enrollment
  • Also billed through NPI 1558361949 (Wyoming)
  • 176 clinicians in this Medicare group
NPI 1437312436 (307) 352-8125
Taos Professional Services, LLC
283 mi
General Practice
1329 GUSDORF RD
Taos, NM 87571
  • Reassigned Medicare billing, New Mexico enrollment
  • 56 clinicians in this Medicare group
NPI 1235597964 (575) 737-3415
Taos Health Systems Inc Holy Cross Hospital
283 mi
General Acute Care Hospital
1397 WEIMER RD
Taos, NM 87571
  • Reassigned Medicare billing, New Mexico enrollment
  • 122 clinicians in this Medicare group
NPI 1194751958 (575) 758-8883
Southwest Health System, Inc.
286 mi
Rural Health
111 RAILROAD AVE
Mancos, CO 81328
  • Reassigned Medicare billing, Colorado enrollment
  • Also billed through NPI 1649241571 (Colorado)
  • 97 clinicians in this Medicare group
NPI 1902162753 (970) 533-9125

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80634 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CONSULTANTS FOR CHILDREN, INC
Behavior Analyst
1610 29TH AVENUE PL STE 101
GREELEY, CO 80634
Weld County (720) 272-1289
DR. OREST G DUBYNSKY MD
Pediatrics
1610 29TH AVENUE PL STE 101
GREELEY, CO 80634
Weld County (970) 356-2600
AGGIE PEDIATRICS, LLC
Pediatrics
1610 29TH AVENUE PL STE 101
GREELEY, CO 80634
Weld County (970) 356-2600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Gelfand's NPI number?

The NPI number for Karen Gelfand is 1437243862. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Karen Gelfand located?

Karen Gelfand practices at 1610 29th Avenue Pl Ste 101, Greeley, CO 80634. The listed phone number is (970) 356-2600.

What is Karen Gelfand's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Karen Gelfand enrolled in Medicare?

Yes. Karen Gelfand is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Karen Gelfand's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Gelfand reassigns Medicare benefits to 4 organizations: Memorial Hospital Of Sweetwater County (Rock Springs, WY), Taos Professional Services, LLC (Taos, NM), Taos Health Systems Inc Holy Cross Hospital (Taos, NM) and Southwest Health System, Inc. (Mancos, CO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Gelfand's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Gelfand accept?

Health plans from Blue Cross Blue Shield of Wyoming list Karen Gelfand as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Karen Gelfand was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.