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Gregory Herring, MD
NPI 1356422869 · Internal Medicine Physician · Phoenix, AZ
Gregory Herring, MD is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1356422869).
Provider details
- NPI number
- 1356422869
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9388 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
650 E Indian School Rd
Phoenix, AZ 85012-1839
Phone: (602) 277-5551
Fax: (602) 222-6513
Street-level locationGet directions
Mailing address
650 E Indian School Rd
Phoenix, AZ 85012-1839
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Herring's NPI number?
- Gregory Herring's National Provider Identifier (NPI) is 1356422869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Herring's specialty?
- Gregory Herring is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Herring located?
- Gregory Herring's practice location on file with NPPES is 650 E Indian School Rd, Phoenix, AZ 85012-1839.
- What is Gregory Herring's phone number?
- The practice phone number listed in the NPPES registry for Gregory Herring is (602) 277-5551.
- Is Gregory Herring's NPI active?
- Yes — Gregory Herring's NPI (1356422869) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.