Theresa Grebe, M.D.
NPI 1346202991 · Clinical Genetics (M.D.) Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Grebe, M.D. is a Clinical Genetics (M.D.) Physician provider in Phoenix, AZ (NPI 1346202991).
Provider details
- NPI number
- 1346202991
- Entity type
- Individual
- Primary specialty
- Clinical Genetics (M.D.) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 18774 (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
- 2006-04-06
- Last updated
- 2011-06-01
Frequently asked questions
- What is Theresa Grebe's NPI number?
- Theresa Grebe's National Provider Identifier (NPI) is 1346202991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Grebe's specialty?
- Theresa Grebe is listed in the NPPES registry with a primary specialty of Clinical Genetics (M.D.) Physician (Allopathic & Osteopathic Physicians).
- Where is Theresa Grebe located?
- Theresa Grebe's practice location on file with NPPES is 1919 E Thomas Rd, Phoenix, AZ 85016-7710.
- What is Theresa Grebe's phone number?
- The practice phone number listed in the NPPES registry for Theresa Grebe is (602) 546-1000.
- Does Theresa Grebe accept Medicare?
- Theresa Grebe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Grebe's NPI active?
- Yes — Theresa Grebe's NPI (1346202991) is active in the NPPES registry as of the last update on 2011-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.