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RYAN MATHEWS
NPI 1790136455
Nurse Anesthetist, Certified Registered in Green Bay, WI

Active since June 23, 2016PECOS EnrolledAccepts Medicare Assignment
2845 GREENBRIER RD, GREEN BAY, WI 54311(920) 288-3388(920) 288-3370 Get Directions Write a Review

NPPES record last updated: March 31, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 7, 2022, Sep 26, 2016, Jun 23, 2016 (3 updates tracked since 2016).

About Ryan Mathews NPPES

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

RYAN MATHEWS (NPI 1790136455) is an individual nurse anesthetist, certified registered in Green Bay, Wisconsin, licensed in Wisconsin (172987) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1790136455
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameRYAN MATHEWS
Location Address2845 GREENBRIER RDGreen Bay, WI 54311-6519
Mailing Address164 N BroadwayGreen Bay, WI 54303-2728
Phone(920) 288-3388
Fax(920) 288-3370
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 23, 2016
Last NPPES UpdateMarch 31, 20223 updates tracked since enumeration
NPPES CertifiedMarch 31, 2022
✔ NPI 1790136455 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in WI · 172987
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
2845 GREENBRIER RD, Green Bay, WI 54311
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ryan Mathews 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 ID2668750217
PECOS Enrollment IDI20161102000449
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

5

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

Baycare Clinic LLP
Same address
Emergency Medicine
2845 GREENBRIER RD
Green Bay, WI 54311
  • Reassigned Medicare billing, Wisconsin enrollment
  • 275 clinicians in this Medicare group
NPI 1588609648 (920) 288-8000
Osms Anesthesia LLC
2.2 mi
Anesthesiology
2223 LIME KILN RD STE 1
Green Bay, WI 54311
  • Reassigned Medicare billing, Wisconsin enrollment
  • 43 clinicians in this Medicare group
NPI 1447017983 (920) 430-8113
Green Bay Anesthesia Assoc. Sc
4.0 mi
Anesthesiology
835 S VAN BUREN ST
Green Bay, WI 54301
  • Reassigned Medicare billing, Wisconsin enrollment
  • 129 clinicians in this Medicare group
NPI 1023065836 (920) 433-0111
Anesthesiology Associates Of Sheboygan, Ltd.
50 mi
Anesthesiology
3100 SUPERIOR AVE
Sheboygan, WI 53081
  • Reassigned Medicare billing, Wisconsin enrollment
  • 26 clinicians in this Medicare group
NPI 1518914357 (920) 459-8300
Aurora Medical Group, Inc.
51 mi
Clinic/Center
2414 KOHLER MEMORIAL DR
Sheboygan, WI 53081
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1174670244 (920) 457-4461

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

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
$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 20

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

AMRITHA CHANDRAHASA KARKERA M.D.
Internal Medicine (Hematology & Oncology)
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8000
MRS. AMY MACH SCHOENEBECK MS, CGC
Genetic Counselor, MS
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-4180
GERALD WILLIAM ECKARDT MD
Neurological Surgery
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8350
ELLEN LINSKENS PT
Physical Therapist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8000
KATIE LYNN LLOYD DO
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-4060
BRADLEY JAY FEDDERLY MD
Hospitalist
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-8100
EDWARD C VOGEL MD
Emergency Medicine
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-4060
JOHN JEROME KLINKHAMMER CRNA
Nurse Anesthetist, Certified Registered
2845 GREENBRIER RD
GREEN BAY, WI 54311
Brown County (920) 288-3388

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 Ryan Mathews's NPI number?

The NPI number for Ryan Mathews is 1790136455. It was assigned to this individual provider in the NPPES registry on June 23, 2016.

Where is Ryan Mathews located?

Ryan Mathews practices at 2845 Greenbrier Rd, Green Bay, WI 54311. The listed phone number is (920) 288-3388.

What is Ryan Mathews's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Ryan Mathews enrolled in Medicare?

Yes. Ryan Mathews 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.

Which organizations bill Medicare for Ryan Mathews's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Mathews reassigns Medicare benefits to 5 organizations: Baycare Clinic LLP (Green Bay, WI), Osms Anesthesia LLC (Green Bay, WI), Green Bay Anesthesia Assoc. Sc (Green Bay, WI), Anesthesiology Associates Of Sheboygan, Ltd. (Sheboygan, WI) and Aurora Medical Group, Inc. (Sheboygan, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Mathews's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ryan Mathews was last updated on March 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.