MATTHEW RONALD MOHOREK M.D.
NPI 1851755953
Internal Medicine - Gastroenterology in Milwaukee, WI

Q: What is Matthew Mohorek's NPI number?

The NPI number for Matthew Mohorek is 1851755953. It was assigned to this individual provider in the NPPES registry on April 5, 2016.

Q: What is Matthew Mohorek's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Mohorek was last updated on January 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since April 05, 2016PECOS Enrolled

81.99/100

CMS Quality Rating

2801 W KINNICKINNIC RIVER PKWY STE 1080, MILWAUKEE, WI 53215(414) 908-6506(414) 908-6510 Get Directions Write a Review

NPPES record last updated: January 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 26, 2026, Jul 27, 2023, May 31, 2019 (3 updates tracked since 2019).

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About Matthew Ronald Mohorek M.d. NPPES

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

MATTHEW RONALD MOHOREK M.D. (NPI 1851755953) is an individual gastroenterology provider in Milwaukee, Wisconsin, licensed in Wisconsin (68651-20) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Medical College Of Wisconsin (2016).

NPPES Registry Identity

NPI1851755953

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMATTHEW RONALD MOHOREKCredential: M.D.

Location Address2801 W KINNICKINNIC RIVER PKWY STE 1080Milwaukee, WI 53215-3689

Mailing Address2801 W Kinnickinnic River Pkwy Ste 1080Milwaukee, WI 53215-3689 · (414) 908-6506 · Fax (414) 908-6510

Phone(414) 908-6506

Fax(414) 908-6510

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 2016

Enumeration DateApril 5, 2016

Last NPPES UpdateJanuary 26, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 26, 2026

✔ NPI 1851755953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in WI · 68651-20

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 68651-20 (WI)

2801 W KINNICKINNIC RIVER PKWY STE 1080, Milwaukee, WI 53215

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Other Identifiers 1

Medicaid1851755953WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Ronald Mohorek M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022369040

PECOS Enrollment IDI20190516000037

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.

Medicare Billing Reassignments

Medicare enrollment records show Matthew Mohorek reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Medical College Of Wisconsin, Inc.

5.2 mi

Internal Medicine

8701 WATERTOWN PLANK RD
Milwaukee, WI 53226

Reassigned Medicare billing, Wisconsin enrollment
3,983 clinicians in this Medicare group

NPI 1699720086 (414) 955-7101

Ascension Medical Group-Southeast Wisconsin Inc

6.0 mi

Anesthesiology

2301 N LAKE DR
Milwaukee, WI 53211

Reassigned Medicare billing, Wisconsin enrollment
1,343 clinicians in this Medicare group

NPI 1194473066 (414) 585-1000

Milwaukee Gi Specialists Sc

6.1 mi

Gastroenterology

1033 N MAYFAIR RD, SUITE 101
Wauwatosa, WI 53226

Reassigned Medicare billing, Wisconsin enrollment
16 clinicians in this Medicare group

NPI 1639515000 (414) 454-0600

Gi Associates LLC

15 mi

Gastroenterology

2801 W KK RIVER PKWY STE 1080
Milwaukee, WI 53215

Reassigned Medicare billing, Wisconsin enrollment
45 clinicians in this Medicare group

NPI 1801863501 (414) 908-6500

Gastroenterology Specialists Sc

15 mi

Gastroenterology

1111 DELAFIELD ST STE 321
Waukesha, WI 53188

Reassigned Medicare billing, Wisconsin enrollment
29 clinicians in this Medicare group

NPI 1558443549 (414) 454-0600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

42 services42 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

39 services38 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

35 services24 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

31 services31 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

30 services30 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

28 services26 patients

Hospital Affiliations CMS Care Compare 3

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520008

Location725 American AveWaukesha, WI 53188 · Waukesha County

Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520062

Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County

Emergency services Birthing friendly

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520136

Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

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.

81.99/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.73

Promoting Interoperability

Improvement Activities

Cost

75.16

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.

MRS. NICOLE THERESA WHITE APNP

Nurse Practitioner (Family)