IndividualActive
John Harlan, MD
NPI 1730129073 · Gastroenterology Physician · Page, AZ
John Harlan, MD is a Gastroenterology Physician provider in Page, AZ (NPI 1730129073).
Provider details
- NPI number
- 1730129073
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 6812 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
501 N Navajo
Page Clinic
Page, AZ 86040
Phone: (928) 645-0740
Fax: (928) 645-0167
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 13432
Chandler, AZ 85248-0041
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Harlan's NPI number?
- John Harlan's National Provider Identifier (NPI) is 1730129073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harlan's specialty?
- John Harlan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Harlan located?
- John Harlan's practice location on file with NPPES is 501 N Navajo, Page, AZ 86040.
- What is John Harlan's phone number?
- The practice phone number listed in the NPPES registry for John Harlan is (928) 645-0740.
- Is John Harlan's NPI active?
- Yes — John Harlan's NPI (1730129073) 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.