SHARON L COLLINS MS, RN, AGPCNP-BC
NPI 1851804983
Nurse Practitioner in Martinez, CA
About Sharon L Collins Ms, Rn, Agpcnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHARON L COLLINS MS, RN, AGPCNP-BC (NPI 1851804983) is an individual nurse practitioner in Martinez, California, licensed in California (NP95007448) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses
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
Sharon L Collins Ms, Rn, Agpcnp-bc 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
2Medicare enrollment records show Sharon Collins reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 225 clinicians in this Medicare group
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 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 3
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 94553 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MARTINEZ, CA 94553
MARTINEZ, CA 94553
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 Sharon Collins's NPI number?
The NPI number for Sharon Collins is 1851804983. It was assigned to this individual provider in the NPPES registry on November 11, 2017.
Where is Sharon Collins located?
Sharon Collins practices at 150 Muir Rd, Martinez, CA 94553. The listed phone number is (925) 325-2101.
What is Sharon Collins's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sharon Collins enrolled in Medicare?
Yes. Sharon Collins 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 Sharon Collins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sharon Collins reassigns Medicare benefits to 2 organizations: Northbay Health Medical Foundation (Fairfield, CA) and Northbay Healthcare Group (Fairfield, 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 Sharon Collins'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 Sharon Collins was last updated on November 11, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.