John Charles Maerz Jr MD
NPI 1285753376 · Pediatrics Physician · Johnson City, NY
John Charles Maerz Jr MD is a Pediatrics Physician organization in Johnson City, NY (NPI 1285753376).
Provider details
- NPI number
- 1285753376
- Entity type
- Organization
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Maerz, Owner(607) 770-4543
- License
- 149892 (NY)
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
Other names (DBA / former)
- Doing business as
- Footprings Pediatrics
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2008-06-18
Frequently asked questions
- What is John Charles Maerz Jr MD's NPI number?
- John Charles Maerz Jr MD's National Provider Identifier (NPI) is 1285753376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Charles Maerz Jr MD?
- John Charles Maerz Jr MD is classified in the NPPES registry as Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is John Charles Maerz Jr MD located?
- John Charles Maerz Jr MD's practice location on file with NPPES is 27 Jennison Ave, Johnson City, NY 13790-2302.
- What is John Charles Maerz Jr MD's phone number?
- The practice phone number listed in the NPPES registry for John Charles Maerz Jr MD is (607) 770-4543.
- Who is the authorized official for John Charles Maerz Jr MD?
- The authorized official listed on John Charles Maerz Jr MD's NPPES record is John Maerz, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Charles Maerz Jr MD's NPI active?
- Yes — John Charles Maerz Jr MD's NPI (1285753376) is active in the NPPES registry as of the last update on 2008-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.