OrganizationActive
Irvin S. Belzer MD
NPI 1780938142 · Health Service Clinic/Center · Tucson, AZ
Irvin S. Belzer MD is a Health Service Clinic/Center organization in Tucson, AZ (NPI 1780938142).
Provider details
- NPI number
- 1780938142
- Entity type
- Organization
- Primary specialty
- Health Service Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Irvin Belzer, President(520) 298-3324
- License
- 06258 (AZ)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
5605 E Grant Rd
Tucson, AZ 85712-2211
Phone: (520) 298-3324
Street-level locationGet directions
Mailing address
5605 E Grant Rd
Tucson, AZ 85712-2211
Registry dates
- Enumerated
- 2012-11-06
- Last updated
- 2012-11-06
Frequently asked questions
- What is Irvin S. Belzer MD's NPI number?
- Irvin S. Belzer MD's National Provider Identifier (NPI) is 1780938142, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Irvin S. Belzer MD?
- Irvin S. Belzer MD is classified in the NPPES registry as Health Service Clinic/Center (Ambulatory Health Care Facilities).
- Where is Irvin S. Belzer MD located?
- Irvin S. Belzer MD's practice location on file with NPPES is 5605 E Grant Rd, Tucson, AZ 85712-2211.
- What is Irvin S. Belzer MD's phone number?
- The practice phone number listed in the NPPES registry for Irvin S. Belzer MD is (520) 298-3324.
- Who is the authorized official for Irvin S. Belzer MD?
- The authorized official listed on Irvin S. Belzer MD's NPPES record is Irvin Belzer, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Irvin S. Belzer MD's NPI active?
- Yes — Irvin S. Belzer MD's NPI (1780938142) is active in the NPPES registry as of the last update on 2012-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.