Ace Barash, M.D.
Individual provider Active NPI Emergency Medicine Physician · Willits, CA
NPI 1861478281 · NPPES record last updated Sep 11, 2025
Key facts
- NPI
- 1861478281
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Emergency Medicine Physician 207P00000X
- License
- G42757 (CA)
- Practice address
- 84 Madrone St
Willits, CA 95490-4249 - Phone
- (707) 459-6855
- Fax
- (707) 459-9585
- NPI assigned
- Dec 16, 2005
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 10
Hospital & facility affiliations 3
Medicare Care Compare profile
- Specialty
- Internal Medicine
- Education
- University of Kansas School of Med (KC/Wich/Sal), 1979
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Ukiah Adventist Hospital
Practice addresses (Care Compare)
260 Hospital Dr
Ukiah, CA 95482-4568
Hospital & facility affiliations
- Adventist Health Ukiah Valley
- Adventist Health Howard Memorial
- Adventist Health Clearlake
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.77 of 100
- Quality
- 81.54
- Promoting interoperability
- 100
- Improvement activities
- 40
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20040112000592 | CA | Practitioner - Internal Medicine |
3779483904 |
Reassigns benefits to 2 organizations Practice locations: Willits, CA |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G42757 | CA | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Adventist Health Physicians Network | Current |
Accepting new patients | |
| Adventist Health Physicians Network | Current |
Accepting new patients | |
| Ukiah Adventist Hospital | Current |
Accepting new patients | |
| Willits Hospital Inc. | Current |
Accepting new patients | |
| Adventist Health Physicians Network | Current | Accepting new patients | |
| Pacific Redwood Medical Group Inc | Emergency Medicine | Past | Accepting new patients |
Locations
15322 Lakeshore Dr
Ste 102
Clearlake, CA 95422
Phone (707) 994-2030
275 Hospital Dr
Ukiah, CA 95482
Phone (707) 462-7900
260 Hospital Dr
Ste 103
Ukiah, CA 95482
Phone (707) 463-7490
1050 N State St
Ukiah, CA 95482
Phone (707) 463-7488
1 Madrone St
Willits, CA 95490
Phone (707) 456-3041
1 Marcela Dr
Willits, CA 95490
Phone (707) 456-3001
84 Madrone St
Willits, CA 95490
Phone (707) 459-6855
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | G42757 | CA | Yes |
| Internal Medicine Physician | 207R00000X | G42757 | CA |
Addresses
Primary practice location
84 Madrone St
Willits, CA 95490-4249
Mailing address
1494 Fawnwood Dr
Ukiah, CA 95482-7552
Phone (707) 463-1812
Other providers in Willits, CA
- Sabrina Angell
- Margaret Lucy Arner
- James Avalos
- Hossein Azadi
- Samantha Bacon
- Maria Theresa Bates
- Anastasia Beloshapko
- Cinder Benitez
- Judith Ann Berdis
- M. Kathryn Black
All providers in Willits, CA · Emergency Medicine Physician in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Sep 11, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.