What is Heather Gruszynski's NPI number?

Heather Gruszynski's National Provider Identifier (NPI) is 1386664423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Heather Gruszynski's specialty?

Heather Gruszynski is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Heather Gruszynski located?

Heather Gruszynski's practice location on file with NPPES is 160 S Chet Krause Dr, Iola, WI 54945-9114.

What is Heather Gruszynski's phone number?

The practice phone number listed in the NPPES registry for Heather Gruszynski is (715) 445-2228.

Does Heather Gruszynski accept Medicare?

Heather Gruszynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Heather Gruszynski's NPI active?

Yes — Heather Gruszynski's NPI (1386664423) is active in the NPPES registry as of the last update on 2008-03-12.

IndividualActiveAccepts Medicare

Heather Gruszynski, NP

NPI 1386664423 · Nurse Practitioner · Iola, WI

Heather Gruszynski, NP is a Nurse Practitioner provider in Iola, WI (NPI 1386664423).

Provider details

NPI number: 1386664423
Entity type: Individual
Primary specialty: Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: NP
Sex: Female
Sole proprietor: No
License: 2361-033 (WI)

Practice location

160 S Chet Krause Dr

Iola, WI 54945-9114

Phone: (715) 445-2228

Fax: (715) 445-4442

Approximate (ZIP-level) locationGet directions

More WI providers

Mailing address

710 Riverside Dr

Waupaca, WI 54981-1941

Specialties & taxonomies

Nurse PractitionerPrimary363L00000XLicense 2361-033 (WI)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(74/100 index)

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

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
324 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. 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.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Insertion of Needle Into Vein for Collection of Blood Sample36415	115	$9
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	96	$103
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	43	$104
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	41	$13
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	15	$73
Administration of Influenza Virus Vaccine

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Atorvastatin Calcium	223	57
Omeprazole	147	43
Lisinopril	130	29
Amlodipine Besylate	119	27
Levothyroxine Sodium	97	24
Hydrochlorothiazide	91	29
Simvastatin	83	20

Enumerated: 2006-07-20
Last updated: 2008-03-12

Frequently asked questions

What is Heather Gruszynski's NPI number?: Heather Gruszynski's National Provider Identifier (NPI) is 1386664423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Heather Gruszynski's specialty?: Heather Gruszynski is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Heather Gruszynski located?: Heather Gruszynski's practice location on file with NPPES is 160 S Chet Krause Dr, Iola, WI 54945-9114.
What is Heather Gruszynski's phone number?: The practice phone number listed in the NPPES registry for Heather Gruszynski is (715) 445-2228.
Does Heather Gruszynski accept Medicare?: Heather Gruszynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Heather Gruszynski's NPI active?: Yes — Heather Gruszynski's NPI (1386664423) is active in the NPPES registry as of the last update on 2008-03-12.

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

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Insertion of Needle Into Vein for Collection of Blood Sample36415	115	$9
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	96	$103
Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439	43	$104
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	41	$13
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	15	$73
Administration of Influenza Virus Vaccine