John Simpson, M.D.
NPI 1376627679 · Otolaryngology Physician · Fort Defiance, AZ
John Simpson, M.D. is a Otolaryngology Physician provider in Fort Defiance, AZ (NPI 1376627679).
Provider details
- NPI number
- 1376627679
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35040548 (OH)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2011-09-12
Frequently asked questions
- What is John Simpson's NPI number?
- John Simpson's National Provider Identifier (NPI) is 1376627679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Simpson's specialty?
- John Simpson is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is John Simpson located?
- John Simpson's practice location on file with NPPES is Corner of Route N12 and N7, Fort Defiance, AZ 86504.
- What is John Simpson's phone number?
- The practice phone number listed in the NPPES registry for John Simpson is (928) 729-8000.
- Is John Simpson's NPI active?
- Yes — John Simpson's NPI (1376627679) is active in the NPPES registry as of the last update on 2011-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.