DR. GREGORY CORBETT THOM M.D.
NPI 1689802977
Surgery - Vascular Surgery in Green Bay, WI

Active since June 25, 2009PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD STE 230, GREEN BAY, WI 54311(920) 288-8250(920) 288-8257 Get Directions Write a Review

NPPES record last updated: August 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 15, 2025, Dec 12, 2019, Sep 1, 2016 and 1 more (4 updates tracked since 2016).

About Dr. Gregory Corbett Thom M.d. NPPES

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

DR. GREGORY CORBETT THOM M.D. (NPI 1689802977) is an individual vascular surgery provider in Green Bay, Wisconsin, licensed in Wisconsin (65518-20) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Manitowoc County, and is a graduate of Medical College Of Wisconsin (2009).

NPPES Registry Identity

NPI1689802977
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. GREGORY CORBETT THOMCredential: M.D.
Location Address2845 GREENBRIER RD STE 230Green Bay, WI 54311-6519
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Fax(920) 288-8257
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2009
Enumeration DateJune 25, 2009
Last NPPES UpdateAugust 15, 20254 updates tracked since enumeration
NPPES CertifiedAugust 15, 2025
NPI 1689802977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
License Licensed in WI · 65518-20
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Also ListedSurgeryTaxonomy 208600000X · License 65518-20 (WI)
2845 GREENBRIER RD STE 230, Green Bay, WI 54311

Other Identifiers 1

Medicaid100059317WI

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. Gregory Corbett Thom 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 ID1052608106
PECOS Enrollment IDI20160919000178
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 11

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.

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.
93 services83 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.
37 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.
36 services36 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
26 services26 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
22 services17 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

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
$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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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 9

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

Registered Nurse
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Surgery
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Registered Nurse
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Surgery
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Registered Nurse
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Registered Nurse
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Surgery
2845 GREENBRIER RD STE 230
GREEN BAY, WI 54311
Surgery
2845 GREENBRIER RD STE 230
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 Gregory Thom's NPI number?

The NPI number for Gregory Thom is 1689802977. It was assigned to this individual provider in the NPPES registry on June 25, 2009.

Where is Gregory Thom located?

Gregory Thom practices at 2845 Greenbrier Rd Ste 230, Green Bay, WI 54311. The listed phone number is (920) 288-8250.

What is Gregory Thom's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Gregory Thom enrolled in Medicare?

Yes. Gregory Thom 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 Gregory Thom accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz and 1 other insurer list Gregory Thom 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 Gregory Thom affiliated with any hospitals?

According to CMS data, Gregory Thom is affiliated with Aurora Medical Ctr Manitowoc County, Bay Area Medical Center and Aurora Baycare Medical Ctr.

When was this NPI record last updated?

The NPPES record for Gregory Thom was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.