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

MARY KATHLEEN BISTER M.D.
NPI 1144546086
Family Medicine in Hartford, WI

Q: What is Mary Bister's NPI number?

The NPI number for Mary Bister is 1144546086. It was assigned to this individual provider in the NPPES registry on April 16, 2010.

Q: What is Mary Bister's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Bister was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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 April 16, 2010PECOS Enrolled

1640 E SUMNER ST, HARTFORD, WI 53027(262) 670-4000(262) 640-4451 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 9, 2026, Sep 5, 2018 (2 updates tracked since 2018).

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About Mary Kathleen Bister M.d. NPPES

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

MARY KATHLEEN BISTER M.D. (NPI 1144546086) is an individual family medicine provider in Hartford, Wisconsin, licensed in Wisconsin (86675) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Adventhealth North Pinellas, and maintains a secondary practice location in Cincinnati.

NPPES Registry Identity

NPI1144546086

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameMARY KATHLEEN BISTERCredential: M.D.

Location Address1640 E SUMNER STHartford, WI 53027-2684

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(262) 670-4000

Fax(262) 640-4451

Sole ProprietorNo

Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2010

Enumeration DateApril 16, 2010

Last NPPES UpdateJuly 9, 20262 updates tracked since enumeration

NPPES CertifiedJuly 9, 2026

✔ NPI 1144546086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in WI · 86675

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 35.123233 (OH)

1640 E SUMNER ST, Hartford, WI 53027

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Secondary Practice Location 1

Location 1231 Albert Sabin Way, MSB 1551, M.L. 0769Cincinnati, OH 45267 · Phone (513) 558-8114

Other Identifiers 1

Medicaid100412525WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Kathleen Bister M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931348166

PECOS Enrollment IDI20260417001819

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 5

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

117 services115 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

91 services82 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

77 services77 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

24 services24 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

18 services17 patients

Hospital Affiliations CMS Care Compare

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

Adventhealth North Pinellas

Acute Care Hospitals · Tarpon Springs, FL

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number100055

Location1395 S Pinellas AveTarpon Springs, FL 34689 · Pinellas County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53027 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 20

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

SARA C POUPORE NP

Nurse Practitioner