What is Athena Hiemstra's NPI number?

Athena Hiemstra's National Provider Identifier (NPI) is 1639006745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Athena Hiemstra's specialty?

Athena Hiemstra is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Athena Hiemstra located?

Athena Hiemstra's practice location on file with NPPES is 750 Highland Ave, Madison, WI 53705-2221.

What is Athena Hiemstra's phone number?

The practice phone number listed in the NPPES registry for Athena Hiemstra is (608) 263-4900.

Is Athena Hiemstra's NPI active?

Yes — Athena Hiemstra's NPI (1639006745) is active in the NPPES registry as of the last update on 2026-05-05.

IndividualActive

Athena Hiemstra

NPI 1639006745 · Physician Assistant · Madison, WI

Athena Hiemstra is a Physician Assistant provider in Madison, WI (NPI 1639006745).

Provider details

NPI number: 1639006745
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Physician AssistantPrimary363A00000X
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Basic profile(46/100 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
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

750 Highland Ave

Madison, WI 53705-2221

Phone: (608) 263-4900

Street-level locationGet directions

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Mailing address