Harry B Matossian, M.D.
NPI 1851682850 · Ambulatory Surgical Clinic/Center · Ukiah, CA
Harry B Matossian, M.D. is a Ambulatory Surgical Clinic/Center organization in Ukiah, CA (NPI 1851682850).
Provider details
- NPI number
- 1851682850
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Shantil Ferguson, Financial/Billing Manager(707) 462-0681
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-25
- Last updated
- 2011-04-25
Frequently asked questions
- What is Harry B Matossian, M.D.'s NPI number?
- Harry B Matossian, M.D.'s National Provider Identifier (NPI) is 1851682850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harry B Matossian, M.D.?
- Harry B Matossian, M.D. is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Harry B Matossian, M.D. located?
- Harry B Matossian, M.D.'s practice location on file with NPPES is 234 Hospital Dr, Ukiah, CA 95482-4560.
- What is Harry B Matossian, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Harry B Matossian, M.D. is (707) 462-0681.
- Who is the authorized official for Harry B Matossian, M.D.?
- The authorized official listed on Harry B Matossian, M.D.'s NPPES record is Shantil Ferguson, Financial/Billing Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harry B Matossian, M.D.'s NPI active?
- Yes — Harry B Matossian, M.D.'s NPI (1851682850) is active in the NPPES registry as of the last update on 2011-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.