Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. HEIDI DIANE DUMAS NP-C
NPI 1194030445
Nurse Practitioner - Family in Hayward, WI

Q: What is Heidi Dumas's NPI number?

The NPI number for Heidi Dumas is 1194030445. It was assigned to this individual provider in the NPPES registry on August 11, 2010. The provider is also known as Heidi Diane Dittmar Fnp.

Q: What is Heidi Dumas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Heidi Dumas was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 11, 2010PECOS Enrolled

9940 N COUNTY HWY K, HAYWARD, WI 54843(715) 638-5100(715) 634-6107 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Mar 5, 2025, Jan 7, 2019 and 2 more (5 updates tracked since 2016).

On this page

About Mrs. Heidi Diane Dumas Np-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. HEIDI DIANE DUMAS NP-C (NPI 1194030445) is an individual family provider in Hayward, Wisconsin, licensed in Wisconsin (4284-33) and active in the NPI registry since August 2010. She is enrolled in Medicare PECOS, is affiliated with Tamarack Health Hayward Medical Center, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1194030445

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMRS. HEIDI DIANE DUMASCredential: NP-C

Location Address9940 N COUNTY HWY KHayward, WI 54843

Mailing AddressPo Box 331Minong, WI 54859-0331 · (715) 222-7859

Phone(715) 638-5100

Fax(715) 634-6107

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateAugust 11, 2010

Last NPPES UpdateJuly 13, 20265 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1194030445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

Licenses✔ Licensed in WI · 4284-33✔ Licensed in WI · 130820-030✔ Licensed in MT · 103462✔ Licensed in MN · R-130332-4

Also ListedRegistered NurseTaxonomy 163W00000X · License R-130332-4 (MN), 130820-030 (WI)

Also ListedFamily MedicineTaxonomy 207Q00000X · License 103462 (MT)

9940 N COUNTY HWY K, Hayward, WI 54843

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Other Names 1

Former Name (1)Heidi Diane Dittmar Fnp

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, HealthPartners, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Heidi Diane Dumas Np-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062601545

PECOS Enrollment IDI20110114000187

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

53 services27 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

33 services20 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

27 services22 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

26 services16 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

25 services14 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

15 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tamarack Health Hayward Medical Center

Critical Access Hospitals · Hayward, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number521336

Location11040 N State Rd 77Hayward, WI 54843 · Sawyer County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54843 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WILLIAM MORROW

Driver