Robert Stelzle, MD
NPI 1639161813 · Allergy & Immunology Physician · Oro Valley, AZ
Robert Stelzle, MD is a Allergy & Immunology Physician provider in Oro Valley, AZ (NPI 1639161813).
Provider details
- NPI number
- 1639161813
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 58856 (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
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
- 2005-08-16
- Last updated
- 2019-07-11
Frequently asked questions
- What is Robert Stelzle's NPI number?
- Robert Stelzle's National Provider Identifier (NPI) is 1639161813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Stelzle's specialty?
- Robert Stelzle is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Stelzle located?
- Robert Stelzle's practice location on file with NPPES is 2506 E Vistoso Commerce Loop Ste 100, Oro Valley, AZ 85755-9112.
- What is Robert Stelzle's phone number?
- The practice phone number listed in the NPPES registry for Robert Stelzle is (520) 797-3111.
- Is Robert Stelzle's NPI active?
- Yes — Robert Stelzle's NPI (1639161813) is active in the NPPES registry as of the last update on 2019-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.