Michael Oconnor, M.D.
NPI 1851569578 · Internal Medicine Physician · San Tan Valley, AZ
Michael Oconnor, M.D. is a Internal Medicine Physician provider in San Tan Valley, AZ (NPI 1851569578).
Provider details
- NPI number
- 1851569578
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 15562 (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
18 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
- 2008-02-15
- Last updated
- 2010-12-27
Frequently asked questions
- What is Michael Oconnor's NPI number?
- Michael Oconnor's National Provider Identifier (NPI) is 1851569578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Oconnor's specialty?
- Michael Oconnor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Oconnor located?
- Michael Oconnor's practice location on file with NPPES is 37000 N Gantzel Rd, San Tan Valley, AZ 85140-7303.
- What is Michael Oconnor's phone number?
- The practice phone number listed in the NPPES registry for Michael Oconnor is (480) 543-2034.
- Is Michael Oconnor's NPI active?
- Yes — Michael Oconnor's NPI (1851569578) is active in the NPPES registry as of the last update on 2010-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.