What is Michael Postelnick's NPI number?

Michael Postelnick's National Provider Identifier (NPI) is 1942154729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Postelnick's specialty?

Michael Postelnick is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Michael Postelnick located?

Michael Postelnick's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-3055.

What is Michael Postelnick's phone number?

The practice phone number listed in the NPPES registry for Michael Postelnick is (312) 926-7965.

Is Michael Postelnick's NPI active?

Yes — Michael Postelnick's NPI (1942154729) is active in the NPPES registry as of the last update on 2026-02-26.

IndividualActive

Michael Postelnick, RPH

NPI 1942154729 · Pharmacist · Chicago, IL

Michael Postelnick, RPH is a Pharmacist provider in Chicago, IL (NPI 1942154729).

Provider details

NPI number: 1942154729
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: RPH
Sex: Male
Sole proprietor: Yes
License: 051031117 (IL)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 051031117 (IL)
Pharmacy Service Providers

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

251 E Huron St

Chicago, IL 60611-3055

Phone: (312) 926-7965

Fax: (224) 622-1382

Street-level locationGet directions

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Mailing address