John Hartley, D.O.
NPI 1053374207 · Hospitalist Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Hartley, D.O. is a Hospitalist Physician provider in Phoenix, AZ (NPI 1053374207).
Provider details
- NPI number
- 1053374207
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 3734 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-04-10
- Last updated
- 2017-04-03
Frequently asked questions
- What is John Hartley's NPI number?
- John Hartley's National Provider Identifier (NPI) is 1053374207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hartley's specialty?
- John Hartley is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is John Hartley located?
- John Hartley's practice location on file with NPPES is 1919 E Thomas Rd, Phoenix, AZ 85016-7710.
- What is John Hartley's phone number?
- The practice phone number listed in the NPPES registry for John Hartley is (602) 933-0945.
- Does John Hartley accept Medicare?
- John Hartley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Hartley's NPI active?
- Yes — John Hartley's NPI (1053374207) is active in the NPPES registry as of the last update on 2017-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.