DR. JEFFREY S COOK MD
NPI 1992781892
Family Medicine in Greeley, CO
About Dr. Jeffrey S Cook Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY S COOK MD (NPI 1992781892) is an individual family medicine provider in Greeley, Colorado, licensed in Colorado (42007) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jeffrey S Cook Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Jeffrey Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greeley, CO 80634
- Reassigned Medicare billing, Colorado enrollment
- 45 clinicians in this Medicare group
Longmont, CO 80501
- Reassigned Medicare billing, Colorado enrollment
- 468 clinicians in this Medicare group
Fort Morgan, CO 80701
- Reassigned Medicare billing, Colorado enrollment
- 17 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREELEY, CO 80634
GREELEY, CO 80634
GREELEY, CO 80634
GREELEY, CO 80634
GREELEY, CO 80634
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 Jeffrey Cook's NPI number?
The NPI number for Jeffrey Cook is 1992781892. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is Jeffrey Cook located?
Jeffrey Cook practices at 1600 23rd Ave, Greeley, CO 80634. The listed phone number is (970) 356-2424.
What is Jeffrey Cook's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jeffrey Cook enrolled in Medicare?
Yes. Jeffrey Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jeffrey Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Cook reassigns Medicare benefits to 3 organizations: North Colorado Family Medicine (Greeley, CO), Usacs Of Colorado Inc (Longmont, CO) and Morgan Emergency Group, LLC (Fort Morgan, 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 Jeffrey Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeffrey Cook accept?
Health plans from Select Health and UnitedHealthcare list Jeffrey Cook 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 Jeffrey Cook was last updated on September 13, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.
# Dr. Jeffrey S Cook, MD · NPI 1992781892
Family Medicine physician in Greeley, Colorado. Individual provider, active in the CMS NPPES registry since December 22, 2005.
## Identity
- **NPI:** 1992781892 (Entity type: Individual)
- **Enumerated:** December 22, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 42007 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 23RD AVE, Greeley, CO 80634-6070
- **Phone:** (970) 356-2424 · **Fax:** (970) 346-2771
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): North Colorado Family Medicine (NPI 1083642680, Greeley, CO); Usacs Of Colorado Inc (NPI 1558997395, Longmont, CO); Morgan Emergency Group, LLC (NPI 1396721890, Fort Morgan, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** September 13, 2013
- **Other identifiers:** Medicaid 55938540 (CO); Medicare PIN C802895 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1992781892) · Data from the CMS NPPES public registry.