1. Home
  2. Directory
  3. California
  4. Ukiah
  5. General Acute Care Hospital
  6. NPI Profile

UKIAH ADVENTIST HOSPITAL
NPI 1235120676
General Acute Care Hospital in Ukiah, CA

Active since November 03, 2005
5/5
Hospital Overall Rating
275 HOSPITAL DR, UKIAH, CA 95482(707) 463-7360(707) 463-7689 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 28, 2023, Jan 5, 2022, Jan 10, 2018 and 1 more (4 updates tracked since 2016).

About Ukiah Adventist Hospital NPPES

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

UKIAH ADVENTIST HOSPITAL (NPI 1235120676), doing business as Adventist Health Ukiah Valley, is a healthcare organization registered as a general acute care hospital in Ukiah, California and active in the NPI registry since November 2005. The organization lists Eric Stevens, President, as its authorized official.

NPPES Registry Identity

NPI1235120676
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameUKIAH ADVENTIST HOSPITAL
Location Address275 HOSPITAL DRUkiah, CA 95482-4531
Mailing AddressPo Box 888867Los Angeles, CA 90088-8867
Phone(707) 463-7360
Fax(707) 463-7689
Organization SubpartNo
Authorized OfficialEric StevensPresident · (707) 456-3010
Enumeration DateNovember 3, 2005
Last NPPES UpdateJuly 17, 20254 updates tracked since enumeration
NPPES CertifiedJuly 16, 2025
✔ NPI 1235120676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
License✔ Licensed in CA · 110000095
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X
275 HOSPITAL DR, Ukiah, CA 95482
Open in Google Maps ↗

Other Names 1

Doing Business AsAdventist Health Ukiah Valley

Other Identifiers 10

Other050301CA · Blue Cross
OtherZZZC2308ZCA · Blue Shield
OtherZZZ92403ZCA · Blue Shield
MedicaidZZR00301FCA
Other005433002CA · Kaiser
OtherZZZ13334ZCA · Blue Shield
Other195519900CA · Us Department Of Labor
MedicaidHSP40301FCA
OtherZZZ18251ZCA · Blue Shield
OtherZZZC2307ZCA · Blue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ukiah Adventist Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

219

Medicare enrollment records show 219 clinicians reassign Medicare billing to Ukiah Adventist Hospital, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 55 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 34

Diagnostic Radiology77
Nurse Practitioner26
Family Practice20
Cardiovascular Disease (Cardiology)12
Clinical Social Worker9
General Surgery8
Gastroenterology6
Internal Medicine6
26 other specialties55

Nearest to this location (20)

See all 219
Artin Mahmoudi, M.D.
Pulmonary Disease
NPI 1265786552
275 HOSPITAL DR SONORA REGIONAL MEDICAL CENTER
Ukiah, CA 95482
(707) 462-3111
✔ PECOS✔ Accepts MedicareSame address
Marvin Trotter, MD
Internal Medicine
NPI 1720027436
275 HOSPITAL DR
Ukiah, CA 95482
(707) 462-7900
✔ PECOSSame address
Laura Winkle, M.D.
Diagnostic Radiology
NPI 1568506061
275 HOSPITAL DR
Ukiah, CA 95482
(707) 463-7342
✔ PECOS✔ Accepts MedicareSame address
Anna Antonowich, MSN, NP-BC
Nurse Practitioner
NPI 1215063268
260 HOSPITAL DR STE 207
Ukiah, CA 95482
(707) 463-7627
✔ PECOS✔ Accepts Medicare0.1 mi
Brian Gould, D.O.
Family Practice
NPI 1447647771
260 HOSPITAL DR STE 107
Ukiah, CA 95482
(707) 467-5278
✔ PECOS✔ Accepts Medicare0.1 mi
Jon Portnoff, M.D.
Cardiovascular Disease (Cardiology)
NPI 1609874445
260 HOSPITAL DR SUITE 207
Ukiah, CA 95482
(707) 463-2400
✔ PECOS✔ Accepts Medicare0.1 mi
Minerva Stirling, LCSW
Clinical Social Worker
NPI 1538566757
260 HOSPITAL DR SUITE 101
Ukiah, CA 95482
(707) 463-7428
✔ PECOS✔ Accepts Medicare0.1 mi
Hengbing Wang, M.D.
Hematology/Oncology
NPI 1497940191
260 HOSPITAL DR SUITE 207
Ukiah, CA 95482
(707) 463-7627
✔ PECOS✔ Accepts Medicare0.1 mi
Robert Crochelt, M.D., PHD., F.A.C.S.
General Surgery
NPI 1225060031
246 HOSPITAL DR
Ukiah, CA 95482
(707) 462-8011
✔ PECOS0.1 mi
Emily Bender, M.D.
Hospitalist
NPI 1821594318
260 HOSPITAL DR STE 204
Ukiah, CA 95482
(707) 467-5220
✔ PECOS✔ Accepts Medicare0.1 mi
Geoffrey Rice, M.D.
Ophthalmology
NPI 1194776948
248 HOSPITAL DR
Ukiah, CA 95482
(707) 462-2924
✔ PECOS✔ Accepts Medicare0.1 mi
Lori Schafer, OD
Optometry
NPI 1013427962
248 HOSPITAL DR STE B
Ukiah, CA 95482
(707) 462-2924
✔ PECOS✔ Accepts Medicare0.1 mi
Sean Kelly, M.D.
Orthopedic Surgery
NPI 1679929871
260 HOSPITAL DR STE 107
Ukiah, CA 95482
(707) 467-5278
✔ PECOS✔ Accepts Medicare0.1 mi
Michael Young, DO
Pain Management
NPI 1023174042
260 HOSPITAL DR SUITE 102
Ukiah, CA 95482
(707) 463-8028
✔ PECOS✔ Accepts Medicare0.1 mi
Naum Spiegel, MD
Urology
NPI 1710973623
240 HOSPITAL DR
Ukiah, CA 95482
(707) 462-1928
✔ PECOS✔ Accepts Medicare0.1 mi
Hendrik Ryan Tan, DPM
Podiatry
NPI 1316561871
240 HOSPITAL DR
Ukiah, CA 95482
(707) 467-5360
✔ PECOS✔ Accepts Medicare0.1 mi
Craig Aronchick, MD
Gastroenterology
NPI 1710071774
234 HOSPITAL DR
Ukiah, CA 95482
(707) 463-7356
✔ PECOS✔ Accepts Medicare0.1 mi
Ronald Batin, M.D.
Pulmonary Disease
NPI 1114920733
232 HOSPITAL DR STE A
Ukiah, CA 95482
(707) 467-3189
✔ PECOS✔ Accepts Medicare0.1 mi
Maryam Sadeghi, MD
Preventive Medicine
NPI 1861913683
1050 N STATE ST
Ukiah, CA 95482
(707) 463-7488
✔ PECOS✔ Accepts Medicare0.7 mi
Judith Murrillo
Clinical Psychologist
NPI 1669807921
800 N STATE ST
Ukiah, CA 95482
(707) 468-5536
✔ PECOS✔ Accepts Medicare1.0 mi
See all 219 clinicians

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

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Adventist Health Ukiah Valley (CMS certification number 050301), from CMS Care Compare.

Adventist Health Ukiah Valley

Acute Care Hospitals · Ukiah, CA
5/5 CMS Overall Rating
OwnershipVoluntary non-profit - Church
CMS Certification Number050301
Location275 Hospital DriveUkiah, CA 95482 · Mendocino County · (707) 462-3111
Emergency services Birthing friendly Meaningful use of EHRs

Patient Experience

HCAHPS patient survey · Jan 2023 – Dec 2023
3/5 summary rating
Nurse communication
3/5
Doctor communication
2/5
Staff responsiveness
3/5
Communication about medicines
3/5
Discharge information
4/5
Care transition
2/5
Cleanliness
3/5
Quietness
1/5
Overall hospital rating
2/5
Recommend hospital
2/5
Star ratings summarize responses from patients surveyed after discharge, collected through the CMS HCAHPS program.

Complications & Deaths 18

Rate of complications for hip/knee replacement patients
3.1 No different than national
Death rate for heart attack patients
Cases too small to report
Death rate for COPD patients
8.8% No different than national
Death rate for heart failure patients
9.9% No different than national
Death rate for pneumonia patients
15.5% No different than national
Death rate for stroke patients
15% No different than national

Infections 3

Catheter Associated Urinary Tract Infections (ICU + select Wards)
0 observed cases · 1.54 predicted · 2,025 patient days
0.000 No different than national
SSI - Colon Surgery
1 observed case · 1.336 predicted · 47 patient days
0.749 No different than national
Clostridium Difficile (C.Diff)
3 observed cases · 5.227 predicted · 12,620 patient days
0.574 No different than national

Unplanned Hospital Visits 13

Hospital return days for heart attack patients
Cases too small to report
Hospital return days for heart failure patients
185 fewer days than average per 100 discharges
Hospital return days for pneumonia patients
202 days per 100 discharges
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)
1052 No different than national
Rate of inpatient admissions for patients receiving outpatient chemotherapy
200 No different than national
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapy
200 No different than national

Timely & Effective Care 16

Emergency department volume
Medium
Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
0.3%
Healthcare workers given influenza vaccination
91%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
130 minutes
Average (median) time patients spent in the emergency department before leaving from the visit- Psychiatric/Mental Health Patients. A lower number of minutes is better
196 minutes
Left before being seen
2%

Maternal Health 2

Elective Delivery
23%
Maternal Morbidity Structural Measure
Yes

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 Ukiah Adventist Hospital's NPI number?

The NPI number for Ukiah Adventist Hospital is 1235120676. It was assigned to this organization in the NPPES registry on November 3, 2005. The provider is doing business as Adventist Health Ukiah Valley.

Where is Ukiah Adventist Hospital located?

Ukiah Adventist Hospital is located at 275 Hospital Dr, Ukiah, CA 95482. The listed phone number is (707) 463-7360.

What is Ukiah Adventist Hospital's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Is Ukiah Adventist Hospital enrolled in Medicare?

Yes. Ukiah Adventist Hospital is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ukiah Adventist Hospital?

According to the CMS Revalidation Reassignment List (October 2026 release), 219 clinicians in 34 Medicare specialties reassign their Medicare billing to Ukiah Adventist Hospital. 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 Diagnostic Radiology (77), Nurse Practitioner (26) and Family Practice (20). Of these, 3 practice at this address and 55 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Is Ukiah Adventist Hospital a Medicare-certified hospital?

Yes. Adventist Health Ukiah Valley is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.

What quality rating does Ukiah Adventist Hospital have?

CMS rates Adventist Health Ukiah Valley 5 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.

When was this NPI record last updated?

The NPPES record for Ukiah Adventist Hospital was last updated on July 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.