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ST. HELENA MEDICAL SPECIALTIES
NPI 1528308806
Clinic/Center - Multi-Specialty in Hidden Valley Lake, CA

Active since February 22, 2013
18990 COYOTE VALLEY RD, SUITE 10, HIDDEN VALLEY LAKE, CA 95467(707) 987-8344(707) 987-8395 Get Directions Write a Review

NPPES record last updated: February 22, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About St. Helena Medical Specialties NPPES

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

ST. HELENA MEDICAL SPECIALTIES (NPI 1528308806) is a healthcare organization registered as a multi-specialty in Hidden Valley Lake, California and active in the NPI registry since February 2013. The organization lists Kirby Mckague, Cfo, as its authorized official.

NPPES Registry Identity

NPI1528308806
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address18990 COYOTE VALLEY RD, SUITE 10Hidden Valley Lake, CA 95467-8337
Mailing Address2100 Douglas BlvdRoseville, CA 95661-3804 · (916) 789-4209 · Fax (916) 789-4206
Phone(707) 987-8344
Fax(707) 987-8395
Organization SubpartYes
Authorized OfficialKirby MckagueCfo · (916) 789-4209
Enumeration DateFebruary 22, 2013
✔ NPI 1528308806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
18990 COYOTE VALLEY RD, Hidden Valley Lake, CA 95467
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Other Names 1

Doing Business AsSt. Helena Medical Specialties

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

St. Helena Medical Specialties is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

673

Medicare enrollment records show 673 clinicians reassign Medicare billing to St. Helena Medical Specialties, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 52

Nurse Practitioner130
Diagnostic Radiology121
Family Practice65
Internal Medicine33
General Surgery31
Orthopedic Surgery30
Urology30
Obstetrics/Gynecology26
44 other specialties207

Nearest to this location (20)

See all 673
Parinaz Azari, M.D.
Interventional Pain Management
NPI 1942442132
15230 LAKESHORE DR LIVE WELL SUITE 3
Clearlake, CA 95422
(707) 995-4545
✔ PECOS✔ Accepts Medicare11 mi
John Weeks, M.D.
Family Practice
NPI 1962473074
15230 LAKESHORE DR SUITE 101
Clearlake, CA 95422
(707) 994-7377
✔ PECOS11 mi
Jeong Park, M.D.
Cardiovascular Disease (Cardiology)
NPI 1528078961
15250 LAKESHORE DR STE C
Clearlake, CA 95422
(707) 995-7077
✔ PECOS✔ Accepts Medicare11 mi
Kundai Tanganyika, M.D
Cardiovascular Disease (Cardiology)
NPI 1861835811
15322 LAKESHORE DR STE 201
Clearlake, CA 95422
(707) 995-3764
✔ PECOS✔ Accepts Medicare11 mi
Kiran Ubhayakar, M.D.
Critical Care (Intensivists)
NPI 1881838605
913 WASHINGTON ST
Calistoga, CA 94515
(707) 942-6233
✔ PECOS✔ Accepts Medicare15 mi
Geoffrey Horn, DO
Diagnostic Radiology
NPI 1013117977
10 WOODLAND RD
Saint Helena, CA 94574
(707) 963-6430
✔ PECOS✔ Accepts Medicare18 mi
Alexis Shiffer, NP
Nurse Practitioner
NPI 1063134831
10 WOODLAND RD
Saint Helena, CA 94574
(707) 738-0015
✔ PECOS✔ Accepts Medicare18 mi
Stephen Banks, MD
Radiation Oncology
NPI 1770680852
10 WOODLAND RD
Saint Helena, CA 94574
(707) 967-5721
✔ PECOS✔ Accepts Medicare18 mi
Amizetta Clark, M.D.
Psychiatry
NPI 1841646353
10 WOODLAND RD
Saint Helena, CA 94574
(707) 963-3611
✔ PECOS✔ Accepts Medicare18 mi
Gansevoort Dunnington, M.D.
Cardiac Surgery
NPI 1336335140
10 WOODLAND RD
Saint Helena, CA 94574
(707) 963-6445
✔ PECOS✔ Accepts Medicare18 mi
Steven Herber, MD
Plastic and Reconstructive Surgery
NPI 1689778987
10 WOODLAND RD
Saint Helena, CA 94574
(707) 967-5981
✔ PECOS✔ Accepts Medicare18 mi
Ethan Schram, M.D.
Hematology/Oncology
NPI 1659320703
10 WOODLAND RD MARTIN-O'NEIL CANCER CENTER
Saint Helena, CA 94574
(707) 967-5721
✔ PECOS✔ Accepts Medicare18 mi
Lily Shamsnia, MD
Obstetrics/Gynecology
NPI 1598080772
10 WOODLAND RD
Saint Helena, CA 94574
(707) 967-7530
✔ PECOS✔ Accepts Medicare18 mi
Swaminadhan Gnanashanmugam, M.D.
Thoracic Surgery
NPI 1073765517
10 WOODLAND RD
Saint Helena, CA 94574
(650) 804-8093
✔ PECOS✔ Accepts Medicare18 mi
Ryan Moore, MD
Orthopedic Surgery
NPI 1528266202
6 WOODLAND RD STE 202
Saint Helena, CA 94574
(707) 968-0670
✔ PECOS✔ Accepts Medicare21 mi
Matthew Cain, M.D.
Cardiac Electrophysiology
NPI 1912210931
6 WOODLAND RD STE 304
Saint Helena, CA 94574
(707) 963-7200
✔ PECOS✔ Accepts Medicare21 mi
Leonardo Clavijo, M.D.
Interventional Cardiology
NPI 1225088537
6 WOODLAND RD STE 304
Saint Helena, CA 94574
(707) 963-7200
✔ PECOS✔ Accepts Medicare21 mi
Tegpal Atwal
Gastroenterology
NPI 1275751869
6 WOODLAND RD STE 303
Saint Helena, CA 94574
(707) 963-0267
✔ PECOS✔ Accepts Medicare21 mi
Juan Vasquez, MD
General Surgery
NPI 1477593713
6 WOODLAND RD STE 101
Saint Helena, CA 94574
(707) 963-6111
✔ PECOS✔ Accepts Medicare21 mi
Laurent Palmatier, MBBS
Hospitalist
NPI 1386175230
30 MARK WEST SPRINGS RD
Santa Rosa, CA 95403
(707) 992-5406
✔ PECOS✔ Accepts Medicare23 mi
See all 673 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Adventist Health Physicians Network's NPI number?

The NPI number for Adventist Health Physicians Network is 1528308806. It was assigned to this organization in the NPPES registry on February 22, 2013. The provider is doing business as St. Helena Medical Specialties.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 18990 Coyote Valley Rd Suite 10, Hidden Valley Lake, CA 95467. The listed phone number is (707) 987-8344.

What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Is Adventist Health Physicians Network enrolled in Medicare?

Yes. Adventist Health Physicians Network is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health Physicians Network?

According to the CMS Revalidation Reassignment List (October 2026 release), 673 clinicians in 52 Medicare specialties reassign their Medicare billing to Adventist Health Physicians Network. A 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 the clinician's services. The largest specialties are Nurse Practitioner (130), Diagnostic Radiology (121) and Family Practice (65). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Adventist Health Physicians Network was last updated on February 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.