DR. AMIZETTA CAROL CLARK M.D.
NPI 1841646353
Psychiatry & Neurology - Psychiatry in Saint Helena, CA
About Dr. Amizetta Carol Clark M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMIZETTA CAROL CLARK M.D. (NPI 1841646353) is an individual psychiatry provider in Saint Helena, California, licensed in California (A175677) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Greenville, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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. Amizetta Carol Clark M.d. 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 Amizetta Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Helena, CA 94574
- Reassigned Medicare billing, California enrollment
- 678 clinicians in this Medicare group
Saint Helena, CA 94574
- Reassigned Medicare billing, California enrollment
- 128 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 94574 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.
SAINT HELENA, CA 94574
SAINT HELENA, CA 94574
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 Amizetta Clark's NPI number?
The NPI number for Amizetta Clark is 1841646353. It was assigned to this individual provider in the NPPES registry on May 13, 2016.
Where is Amizetta Clark located?
Amizetta Clark practices at 10 Woodland Rd, Saint Helena, CA 94574. The listed phone number is (707) 963-3611.
What is Amizetta Clark's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Amizetta Clark enrolled in Medicare?
Yes. Amizetta 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 organizations bill Medicare for Amizetta Clark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amizetta Clark reassigns Medicare benefits to 2 organizations: Adventist Health Physicians Network (Saint Helena, CA) and St. Helena Hospital (Saint Helena, 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 Amizetta 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 Amizetta Clark was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Amizetta Carol Clark, M.D. · NPI 1841646353
Psychiatry physician in Saint Helena, California. Individual provider, active in the CMS NPPES registry since May 13, 2016.
## Identity
- **NPI:** 1841646353 (Entity type: Individual)
- **Enumerated:** May 13, 2016
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A175677 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10 WOODLAND RD, Saint Helena, CA 94574-9554
- **Phone:** (707) 963-3611
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Adventist Health Physicians Network (NPI 1427454131, Saint Helena, CA); St. Helena Hospital (NPI 1720078082, Saint Helena, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 7, 2023
- **Other identifiers:** Other A175677 (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1841646353) · Data from the CMS NPPES public registry.