DR. MARK RIEDY MD
NPI 1780681445
Internal Medicine - Critical Care Medicine in Green Bay, WI

Active since July 07, 2005PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD, SUITE 210, GREEN BAY, WI 54311(920) 288-8100 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 5, 2026, Dec 3, 2021, Feb 15, 2017 (3 updates tracked since 2017).

About Dr. Mark Riedy Md NPPES

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

DR. MARK RIEDY MD (NPI 1780681445) is an individual critical care medicine provider in Green Bay, Wisconsin, licensed in Wisconsin (54662) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Manitowoc County, and is a graduate of University Of South Carolina School Of Medicine (1994).

NPPES Registry Identity

NPI1780681445
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. MARK RIEDYCredential: MD
Location Address2845 GREENBRIER RD, SUITE 210Green Bay, WI 54311-6519
Mailing Address2845 Greenbrier Rd, Suite 210Green Bay, WI 54311-6519 · (920) 288-8100
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1994
Enumeration DateJuly 7, 2005
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
NPI 1780681445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
Licenses Licensed in WI · 54662 Licensed in SC · 22748
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
2845 GREENBRIER RD, Green Bay, WI 54311

Other Identifiers 9

Medicaid100017364WI
Medicaid8902914NC
OtherGP3912SC · Medicaid Group
Other02914NC · Bcbs
MedicaidGP1062SC
OtherGP4306SC · Medicaid Group
Medicaid227481SC
OtherCM7718Railroad Medicare
OtherH503647762SC · H503647762

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

Dr. Mark Riedy Md 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 ID7012928773
PECOS Enrollment IDI20111012000769
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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
151 services75 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.
134 services65 patients

Hospital Affiliations CMS Care Compare 4

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

Aurora Medical Ctr Manitowoc County

Acute Care Hospitals · Two Rivers, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520034
Location5000 Memorial DriveTwo Rivers, WI 54241 · Manitowoc County
Emergency services Birthing friendly

Bay Area Medical Center

Acute Care Hospitals · Marinette, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520113
Location3003 University DrMarinette, WI 54143 · Marinette County
Emergency services Birthing friendly

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI
5/5 CMS rating
OwnershipProprietary
CMS Certification Number520193
Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County
Emergency services Birthing friendly

Door County Medical Center

Critical Access Hospitals · Sturgeon Bay, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number521358
Location323 South 18th AvenueSturgeon Bay, WI 54235 · Door County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54311 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.

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.

Internal Medicine (Hematology & Oncology)
2845 GREENBRIER RD
GREEN BAY, WI 54311
Genetic Counselor, MS
2845 GREENBRIER RD
GREEN BAY, WI 54311
Neurological Surgery
2845 GREENBRIER RD
GREEN BAY, WI 54311
Physical Therapist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Hospitalist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Nurse Anesthetist, Certified Registered
2845 GREENBRIER RD
GREEN BAY, WI 54311

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 Mark Riedy's NPI number?

The NPI number for Mark Riedy is 1780681445. It was assigned to this individual provider in the NPPES registry on July 7, 2005.

Where is Mark Riedy located?

Mark Riedy practices at 2845 Greenbrier Rd Suite 210, Green Bay, WI 54311. The listed phone number is (920) 288-8100.

What is Mark Riedy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Mark Riedy enrolled in Medicare?

Yes. Mark Riedy 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 Mark Riedy accept?

Health plans from CareSource (Common Ground Healthcare) list Mark Riedy 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 Mark Riedy affiliated with any hospitals?

According to CMS data, Mark Riedy is affiliated with Aurora Medical Ctr Manitowoc County, Bay Area Medical Center, Aurora Baycare Medical Ctr and Door County Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Riedy was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.