HEATHER ANNE CLARK AGANCP
NPI 1427450386
Nurse Practitioner in Stanford, CA
About Heather Anne Clark Agancp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEATHER ANNE CLARK AGANCP (NPI 1427450386) is an individual nurse practitioner in Stanford, California, licensed in California (95001169) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses 3
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
Heather Anne Clark Agancp 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 Reassignment
Medicare enrollment records show Heather Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Heather Clark's NPI number?
The NPI number for Heather Clark is 1427450386. It was assigned to this individual provider in the NPPES registry on September 23, 2014.
Where is Heather Clark located?
Heather Clark practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-6459.
What is Heather Clark's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Heather Clark enrolled in Medicare?
Yes. Heather Clark 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 organization bills Medicare for Heather Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Clark reassigns Medicare benefits to Stanford Health Care (Stanford, CA). The 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 Heather Clark'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 Heather Clark was last updated on October 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Heather Anne Clark, AGANCP · NPI 1427450386
Nurse Practitioner physician in Stanford, California. Individual provider, active in the CMS NPPES registry since September 23, 2014.
## Identity
- **NPI:** 1427450386 (Entity type: Individual)
- **Enumerated:** September 23, 2014
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 95001169 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-6459
## 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:** Stanford Health Care (NPI 1437292927, Stanford, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** October 7, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1427450386) · Data from the CMS NPPES public registry.