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Michael Orenstein
NPI 1093193351 · Internal Medicine Physician · Tucson, AZ
Michael Orenstein is a Internal Medicine Physician provider in Tucson, AZ (NPI 1093193351).
Provider details
- NPI number
- 1093193351
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 144524 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
8391 E Cresthill Dr
Tucson, AZ 85750-2410
Phone: (973) 809-8702
Street-level locationGet directions
Mailing address
8391 E Cresthill Dr
Tucson, AZ 85750-2410
Registry dates
- Enumerated
- 2015-05-07
- Last updated
- 2015-05-07
Frequently asked questions
- What is Michael Orenstein's NPI number?
- Michael Orenstein's National Provider Identifier (NPI) is 1093193351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Orenstein's specialty?
- Michael Orenstein is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Orenstein located?
- Michael Orenstein's practice location on file with NPPES is 8391 E Cresthill Dr, Tucson, AZ 85750-2410.
- What is Michael Orenstein's phone number?
- The practice phone number listed in the NPPES registry for Michael Orenstein is (973) 809-8702.
- Is Michael Orenstein's NPI active?
- Yes — Michael Orenstein's NPI (1093193351) is active in the NPPES registry as of the last update on 2015-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.