GARRET HILLSDON-SMITH M.D.
NPI 1083243349
Anesthesiology in Green Bay, WI

Active since April 07, 2020PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD, GREEN BAY, WI 54311(877) 229-0273(920) 288-4863 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 21, 2026, Jul 8, 2024, Apr 7, 2020 (3 updates tracked since 2020).

About Garret Hillsdon-smith M.d. NPPES

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

GARRET HILLSDON-SMITH M.D. (NPI 1083243349) is an individual anesthesiology provider in Green Bay, Wisconsin, licensed in Wisconsin (82950) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Aurora Baycare Medical Ctr, and is a graduate of Indiana University School Of Medicine (2020).

NPPES Registry Identity

NPI1083243349
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameGARRET HILLSDON-SMITHCredential: M.D.
Location Address2845 GREENBRIER RDGreen Bay, WI 54311-6519
Mailing Address1035 Kepler DrGreen Bay, WI 54311-8320 · (920) 490-9046 · Fax (920) 405-8005
Fax(920) 288-4863
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2020
Enumeration DateApril 7, 2020
Last NPPES UpdateApril 21, 20263 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
NPI 1083243349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in WI · 82950
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2845 GREENBRIER RD, Green Bay, WI 54311

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

Garret Hillsdon-smith 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 ID8022439140
PECOS Enrollment IDI20240226000419
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

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 of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

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

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 Garret Hillsdon-smith's NPI number?

The NPI number for Garret Hillsdon-smith is 1083243349. It was assigned to this individual provider in the NPPES registry on April 7, 2020.

Where is Garret Hillsdon-smith located?

Garret Hillsdon-smith practices at 2845 Greenbrier Rd, Green Bay, WI 54311. The listed phone number is (877) 229-0273.

What is Garret Hillsdon-smith's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Garret Hillsdon-smith enrolled in Medicare?

Yes. Garret Hillsdon-smith 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 Garret Hillsdon-smith accept?

Health plans from CareSource (Common Ground Healthcare) list Garret Hillsdon-smith 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 Garret Hillsdon-smith affiliated with any hospitals?

According to CMS data, Garret Hillsdon-smith is affiliated with Aurora Baycare Medical Ctr.

When was this NPI record last updated?

The NPPES record for Garret Hillsdon-smith was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.