Harry B. Matossian
NPI 1003814229 · Ambulatory Surgical Clinic/Center · Ukiah, CA
Harry B. Matossian is a Ambulatory Surgical Clinic/Center organization in Ukiah, CA (NPI 1003814229).
Provider details
- NPI number
- 1003814229
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Harry Matossian, Owner(707) 462-3190
- License
- 1100514 (CA)
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
20 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
- 2005-07-12
- Last updated
- 2014-09-23
Frequently asked questions
- What is Harry B. Matossian's NPI number?
- Harry B. Matossian's National Provider Identifier (NPI) is 1003814229, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Harry B. Matossian?
- Harry B. Matossian is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Harry B. Matossian located?
- Harry B. Matossian's practice location on file with NPPES is 234 Hospital Dr, Ukiah, CA 95482-4560.
- What is Harry B. Matossian's phone number?
- The practice phone number listed in the NPPES registry for Harry B. Matossian is (707) 462-3190.
- Who is the authorized official for Harry B. Matossian?
- The authorized official listed on Harry B. Matossian's NPPES record is Harry Matossian, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Harry B. Matossian's NPI active?
- Yes — Harry B. Matossian's NPI (1003814229) is active in the NPPES registry as of the last update on 2014-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.