What is John Warnken's NPI number?

John Warnken's National Provider Identifier (NPI) is 1225208788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Warnken's specialty?

John Warnken is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is John Warnken located?

John Warnken's practice location on file with NPPES is 4425 Randolph Rd, Charlotte, NC 28211-2351.

What is John Warnken's phone number?

The practice phone number listed in the NPPES registry for John Warnken is (704) 364-6266.

Is John Warnken's NPI active?

Yes — John Warnken's NPI (1225208788) is active in the NPPES registry as of the last update on 2008-03-11.

IndividualActive

John Warnken, PSYCHOLOGIST

NPI 1225208788 · Psychologist · Charlotte, NC

John Warnken, PSYCHOLOGIST is a Psychologist provider in Charlotte, NC (NPI 1225208788).

Provider details

NPI number: 1225208788
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PSYCHOLOGIST
Sex: Male
Sole proprietor: Yes
License: 1536 (NC)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 1536 (NC)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(87/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
18 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

4425 Randolph Rd

Suite 208

Charlotte, NC 28211-2351

Phone: (704) 364-6266

Street-level locationGet directions

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Mailing address