KELSEY CALLAHAN
NPI 1770288532
Nurse Practitioner in Sonora, CA
About Kelsey Callahan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELSEY CALLAHAN (NPI 1770288532) is an individual nurse practitioner in Sonora, California, licensed in California (95024336) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
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
Kelsey Callahan 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 Kelsey Callahan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 678 clinicians in this Medicare group
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 4 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 10
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 95370 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.
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 Kelsey Callahan's NPI number?
The NPI number for Kelsey Callahan is 1770288532. It was assigned to this individual provider in the NPPES registry on April 3, 2023.
Where is Kelsey Callahan located?
Kelsey Callahan practices at 1000 Greenley Rd, Sonora, CA 95370. The listed phone number is (951) 294-0601.
What is Kelsey Callahan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Kelsey Callahan enrolled in Medicare?
Yes. Kelsey Callahan 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 Kelsey Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelsey Callahan reassigns Medicare benefits to 3 organizations: Sierra Emergency Medical Group Inc. (Sonora, CA), Adventist Health Physicians Network (Sonora, CA) and Sierra Orthopedic Institute Medical Corporation (Sonora, CA). 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 Kelsey Callahan'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 Kelsey Callahan was last updated on September 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Kelsey Callahan · NPI 1770288532
Nurse Practitioner physician in Sonora, California. Individual provider, active in the CMS NPPES registry since April 3, 2023.
## Identity
- **NPI:** 1770288532 (Entity type: Individual)
- **Enumerated:** April 3, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95024336 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 GREENLEY RD, Sonora, CA 95370-5200
- **Phone:** (951) 294-0601
## 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): Sierra Emergency Medical Group Inc. (NPI 1871732933, Sonora, CA); Adventist Health Physicians Network (NPI 1275982068, Sonora, CA); Sierra Orthopedic Institute Medical Corporation (NPI 1487967303, Sonora, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 11, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1770288532) · Data from the CMS NPPES public registry.