John Jarczyk, M.D.
NPI 1598184020 · Pediatrics Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Jarczyk, M.D. is a Pediatrics Physician provider in Tucson, AZ (NPI 1598184020).
Provider details
- NPI number
- 1598184020
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 52970 (AZ)
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
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- University of Arizona Dept of Pediatrics1501 N. Campbell Ave.Tucson, AZ 85724-0001Phone: (520) 626-6053
Registry dates
- Enumerated
- 2014-04-11
- Last updated
- 2025-06-23
- Certified
- 2025-06-23
Frequently asked questions
- What is John Jarczyk's NPI number?
- John Jarczyk's National Provider Identifier (NPI) is 1598184020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Jarczyk's specialty?
- John Jarczyk is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is John Jarczyk located?
- John Jarczyk's practice location on file with NPPES is 5300 E Erickson Dr Ste 100, Tucson, AZ 85712-2809.
- What is John Jarczyk's phone number?
- The practice phone number listed in the NPPES registry for John Jarczyk is (520) 324-7210.
- Does John Jarczyk accept Medicare?
- John Jarczyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Jarczyk's NPI active?
- Yes — John Jarczyk's NPI (1598184020) is active in the NPPES registry as of the last update on 2025-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.