What is John Weitzner's NPI number?

John Weitzner's National Provider Identifier (NPI) is 1023175833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is John Weitzner's specialty?

John Weitzner is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is John Weitzner located?

John Weitzner's practice location on file with NPPES is 1725 W Harrison St, Chicago, IL 60612-3841.

What is John Weitzner's phone number?

The practice phone number listed in the NPPES registry for John Weitzner is (312) 421-2010.

Is John Weitzner's NPI active?

Yes — John Weitzner's NPI (1023175833) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

John Weitzner, MD

NPI 1023175833 · Specialist · Chicago, IL

John Weitzner, MD is a Specialist provider in Chicago, IL (NPI 1023175833).

Provider details

NPI number: 1023175833
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: MD
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

SpecialistPrimary174400000X
Other Service Providers

Profile Score

Detailed profile(83/100 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
83% 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

1725 W Harrison St

Suite 838

Chicago, IL 60612-3841

Phone: (312) 421-2010

Fax: (312) 942-2233

Street-level locationGet directions

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Mailing address