Arizona Oncology Services Inc
NPI 1972628675 · Radiation Oncology Physician · Phoenix, AZ
Arizona Oncology Services Inc is a Radiation Oncology Physician organization in Phoenix, AZ (NPI 1972628675).
Provider details
- NPI number
- 1972628675
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Burton Speiser, President(602) 240-3468
- License
- 11736 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Other names (DBA / former)
- Other name
- Arizona Oncology Services
Registry dates
- Enumerated
- 2007-03-20
- Last updated
- 2011-03-09
Frequently asked questions
- What is Arizona Oncology Services Inc's NPI number?
- Arizona Oncology Services Inc's National Provider Identifier (NPI) is 1972628675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Arizona Oncology Services Inc?
- Arizona Oncology Services Inc is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Arizona Oncology Services Inc located?
- Arizona Oncology Services Inc's practice location on file with NPPES is 300 W Clarendon, Phoenix, AZ 85013.
- What is Arizona Oncology Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Arizona Oncology Services Inc is (602) 274-4484.
- Who is the authorized official for Arizona Oncology Services Inc?
- The authorized official listed on Arizona Oncology Services Inc's NPPES record is Burton Speiser, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Arizona Oncology Services Inc's NPI active?
- Yes — Arizona Oncology Services Inc's NPI (1972628675) is active in the NPPES registry as of the last update on 2011-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.