IndividualActive
John Hartzheim, MD
NPI 1518541200 · Emergency Medicine Physician · Fpo
John Hartzheim, MD is a Emergency Medicine Physician provider in Fpo (NPI 1518541200).
Provider details
- NPI number
- 1518541200
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 78733 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% 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
III Mef Force Surgeons Office
Unit 35605
Fpo, 96382-5605
Phone: (203) 688-4242
Approximate (ZIP-level) locationGet directions
Mailing address
III Mef Force Surgeons Office
Fpo, AP 96382-5605
Registry dates
- Enumerated
- 2021-05-08
- Last updated
- 2026-02-13
- Certified
- 2025-06-14
Frequently asked questions
- What is John Hartzheim's NPI number?
- John Hartzheim's National Provider Identifier (NPI) is 1518541200, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hartzheim's specialty?
- John Hartzheim is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Hartzheim located?
- John Hartzheim's practice location on file with NPPES is III Mef Force Surgeons Office, Fpo, 96382-5605.
- What is John Hartzheim's phone number?
- The practice phone number listed in the NPPES registry for John Hartzheim is (203) 688-4242.
- Is John Hartzheim's NPI active?
- Yes — John Hartzheim's NPI (1518541200) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.