CAROL A GANNON APN
NPI 1538330113
Nurse Practitioner - Family in Greeley, CO

Active since March 21, 2008PECOS Enrolled
6801 W 20TH ST UNIT 101, GREELEY, CO 80634(970) 378-8000(970) 378-8088 Get Directions Write a Review

NPPES record last updated: April 28, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 5, 2019, Sep 12, 2016 (2 updates tracked since 2016).

About Carol A Gannon Apn NPPES

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

CAROL A GANNON APN (NPI 1538330113) is an individual family provider in Greeley, Colorado, licensed in Colorado (APN.0002761-NP) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1538330113
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCAROL A GANNONCredential: APN
Location Address6801 W 20TH ST UNIT 101Greeley, CO 80634-9640
Mailing Address6801 W 20th St Unit 101Greeley, CO 80634-9640 · (970) 378-8000 · Fax (970) 378-8088
Fax(970) 378-8088
Sole ProprietorNo
Enumeration DateMarch 21, 2008
Last NPPES UpdateApril 28, 20202 updates tracked since enumeration
NPPES CertifiedApril 28, 2020
✔ NPI 1538330113 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in CO · APN.0002761-NP✔ Licensed in CO · RXN.0099175-NP✔ Licensed in CO · RN.0116733
6801 W 20TH ST UNIT 101, Greeley, CO 80634

Other Identifiers 1

Medicaid73426547CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carol A Gannon Apn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Carol Gannon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
6801 W 20TH ST UNIT 101
Greeley, CO 80634
  • Reassigned Medicare billing, Colorado enrollment
  • 38 clinicians in this Medicare group
Rheumatology
2503 WALNUT ST STE 200
Boulder, CO 80302
  • Reassigned Medicare billing, Colorado enrollment
  • 314 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

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services15 patients

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 10

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

Nurse Practitioner
6801 W 20TH ST UNIT 101
GREELEY, CO 80634
Family Medicine
6801 W 20TH ST UNIT 101
GREELEY, CO 80634
Family Medicine
6801 W 20TH ST UNIT 101
GREELEY, CO 80634
Family Medicine
6801 W 20TH ST UNIT 101
GREELEY, CO 80634
Family Medicine
6801 W 20TH ST UNIT 101
GREELEY, CO 80634
Physician Assistant (Medical)
6801 W 20TH ST UNIT 101, ATTN: SUE,CREDENTIALING
GREELEY, CO 80634
Family Medicine
6801 W 20TH ST UNIT 101
GREELEY, CO 80634
Family Medicine
6801 W 20TH ST UNIT 101
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 Carol Gannon's NPI number?

The NPI number for Carol Gannon is 1538330113. It was assigned to this individual provider in the NPPES registry on March 21, 2008.

Where is Carol Gannon located?

Carol Gannon practices at 6801 W 20th St Unit 101, Greeley, CO 80634. The listed phone number is (970) 378-8000.

What is Carol Gannon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Carol Gannon enrolled in Medicare?

Yes. Carol Gannon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carol Gannon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carol Gannon reassigns Medicare benefits to 2 organizations: Family Physicians Of Greeley LLP (Greeley, CO) and Optumcare Colorado Medical Group LLC (Boulder, 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 Carol Gannon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carol Gannon was last updated on April 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.