James Constanzer, APRN-CNP
NPI 1285171413 · Nurse Practitioner · Oklahoma City, OK
James Constanzer, APRN-CNP is a Nurse Practitioner provider in Oklahoma City, OK (NPI 1285171413).
Provider details
- NPI number
- 1285171413
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNP
- Sex
- Male
- Sole proprietor
- No
- License
- R0123174 (OK)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-01-26
- Last updated
- 2026-01-02
- Certified
- 2026-01-02
Frequently asked questions
- What is James Constanzer's NPI number?
- James Constanzer's National Provider Identifier (NPI) is 1285171413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Constanzer's specialty?
- James Constanzer is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Constanzer located?
- James Constanzer's practice location on file with NPPES is 900 Nw 12th St, Oklahoma City, OK 73106-6804.
- What is James Constanzer's phone number?
- The practice phone number listed in the NPPES registry for James Constanzer is (405) 516-0276.
- Is James Constanzer's NPI active?
- Yes — James Constanzer's NPI (1285171413) is active in the NPPES registry as of the last update on 2026-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.