What is John Blattner's NPI number?

John Blattner's National Provider Identifier (NPI) is 1649392044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Blattner's specialty?

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

Where is John Blattner located?

John Blattner's practice location on file with NPPES is 1000 Maple Ave, Downers Grove, IL 60515-4965.

What is John Blattner's phone number?

The practice phone number listed in the NPPES registry for John Blattner is (630) 968-5950.

Is John Blattner's NPI active?

Yes — John Blattner's NPI (1649392044) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Blattner, PHD

NPI 1649392044 · Clinical Psychologist · Downers Grove, IL

John Blattner, PHD is a Clinical Psychologist provider in Downers Grove, IL (NPI 1649392044).

Provider details

NPI number: 1649392044
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Male
Sole proprietor: Yes
License: 71-4501 (IL)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 71-4501 (IL)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 index)

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

1000 Maple Ave

Downers Grove, IL 60515-4965

Phone: (630) 968-5950

Street-level locationGet directions

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Mailing address