JAMES M. HEUN M.D.
NPI 1497713697
Internal Medicine - Hematology & Oncology in Platteville, WI

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment
1400 EASTSIDE RD, PLATTEVILLE, WI 53818(608) 348-2331 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 21, 2022, Nov 23, 2020 (2 updates tracked since 2020).

About James M. Heun M.d. NPPES

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

JAMES M. HEUN M.D. (NPI 1497713697) is an individual hematology & oncology provider in Platteville, Wisconsin, licensed in Wisconsin (49672-20) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2005).

NPPES Registry Identity

NPI1497713697
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJAMES M. HEUNCredential: M.D.
Location Address1400 EASTSIDE RDPlatteville, WI 53818-9800
Mailing Address1400 Eastside RdPlatteville, WI 53818-9800 · (608) 348-2331
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2005
Enumeration DateMay 4, 2006
Last NPPES UpdateOctober 21, 20252 updates tracked since enumeration
NPPES CertifiedOctober 21, 2025
NPI 1497713697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in WI · 49672-20
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1400 EASTSIDE RD, Platteville, WI 53818

Accepted 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

James M. Heun M.d. 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 ID5597839050
PECOS Enrollment IDI20080731000393, I20111010000083
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 30

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.

Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
11,200 services12 patients
Injection, fosaprepitant, 1 mg J1453
Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.
3,600 services12 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
1,053 services29 patients
Injection, palonosetron hcl, 25 mcg J2469
Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.
800 services24 patients
Injection, leucovorin calcium, per 50 mg J0640
Leucovorin calcium is an injection given to enhance the effectiveness of certain cancer treatments or to reduce the harmful effects of some medications. The dose is determined by your doctor and is typically administered in a healthcare setting.
532 services11 patients
Injection, fluorouracil, 500 mg J9190
Fluorouracil is a chemotherapy drug, given as an injection to treat various types of cancer. The 500 mg dose helps to stop cancer cells from growing and multiplying. You might feel some side effects, but these are typically manageable.
354 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520057
Location707 14th StBaraboo, WI 53913 · Sauk County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Sauk Prairie Hospital

Acute Care Hospitals · Prairie Du Sac, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520095
Location260 26th StreetPrairie Du Sac, WI 53578 · Sauk County
Emergency services Birthing friendly

Southwest Health Center

Critical Access Hospitals · Platteville, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521354
Location1400 East Side RdPlatteville, WI 53818 · Grant County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53818 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
24%106 patients1/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
66%173 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
23%183 patients1/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
66%83 patients3/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims612 services$0.71 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier18 claims18 services$18.94 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Surgery
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Social Worker (Clinical)
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Pharmacy (Long Term Care Pharmacy)
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Occupational Therapist
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Occupational Therapist
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Physical Therapist
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Non-Pharmacy Dispensing Site
1400 EASTSIDE RD
PLATTEVILLE, WI 53818
Physical Therapist
1400 EASTSIDE RD
PLATTEVILLE, WI 53818

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Heun's NPI number?

The NPI number for James Heun is 1497713697. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is James Heun located?

James Heun practices at 1400 Eastside Rd, Platteville, WI 53818. The listed phone number is (608) 348-2331.

What is James Heun's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is James Heun enrolled in Medicare?

Yes. James Heun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Heun accept?

Health plans from Anthem Blue Cross and Blue Shield, Group Health Cooperative-SCW and Quartz list James Heun as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Heun affiliated with any hospitals?

According to CMS data, James Heun is affiliated with Ssm Health St Clare Hospital - Baraboo, Ssm Health St Mary's Hospital - Madison, Sauk Prairie Hospital and Southwest Health Center.

When was this NPI record last updated?

The NPPES record for James Heun was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.