What is Heather Gershteyn's NPI number?

Heather Gershteyn's National Provider Identifier (NPI) is 1912281932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Heather Gershteyn's specialty?

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

Where is Heather Gershteyn located?

Heather Gershteyn's practice location on file with NPPES is 1021 Summit Ave, Oconomowoc, WI 53066-4457.

What is Heather Gershteyn's phone number?

The practice phone number listed in the NPPES registry for Heather Gershteyn is (262) 567-9173.

Is Heather Gershteyn's NPI active?

Yes — Heather Gershteyn's NPI (1912281932) is active in the NPPES registry as of the last update on 2011-10-10.

IndividualActive

Heather Gershteyn, PHARM.D.

NPI 1912281932 · Pharmacist · Oconomowoc, WI

Heather Gershteyn, PHARM.D. is a Pharmacist provider in Oconomowoc, WI (NPI 1912281932).

Provider details

NPI number: 1912281932
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARM.D.
Sex: Female
Sole proprietor: Yes
License: 14674-40 (WI)

Practice location

1021 Summit Ave

Oconomowoc, WI 53066-4457

Phone: (262) 567-9173

Street-level locationGet directions

More WI providers

Mailing address

N16w26401 Meadowgrass Cir

Pewaukee, WI 53072-6685

Specialties & taxonomies

PharmacistPrimary183500000XLicense 14674-40 (WI)
Pharmacy Service Providers

Profile Score

Detailed profile(81/100 index)

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

Registry tenure38% of score
15 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.

Enumerated: 2011-10-10
Last updated: 2011-10-10

Frequently asked questions

What is Heather Gershteyn's NPI number?: Heather Gershteyn's National Provider Identifier (NPI) is 1912281932, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Heather Gershteyn's specialty?: Heather Gershteyn is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
Where is Heather Gershteyn located?: Heather Gershteyn's practice location on file with NPPES is 1021 Summit Ave, Oconomowoc, WI 53066-4457.
What is Heather Gershteyn's phone number?: The practice phone number listed in the NPPES registry for Heather Gershteyn is (262) 567-9173.
Is Heather Gershteyn's NPI active?: Yes — Heather Gershteyn's NPI (1912281932) is active in the NPPES registry as of the last update on 2011-10-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions