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TONIA M. GREENWOOD M.D.
NPI 1386870244
Anesthesiology in Two Rivers, WI

Active since June 05, 2009PECOS EnrolledAccepts Medicare Assignment
5000 MEMORIAL DR, TWO RIVERS, WI 54241(920) 686-5734 Get Directions Write a Review

NPPES record last updated: July 15, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 15, 2024, Jul 21, 2022, Dec 3, 2021 (3 updates tracked since 2021).

About Tonia M. Greenwood M.d. NPPES

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

TONIA M. GREENWOOD M.D. (NPI 1386870244) is an individual anesthesiology provider in Two Rivers, Wisconsin, licensed in Wisconsin (-6279620) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Medical Center - Appleton Inc, and is a graduate of University Of Wisconsin School Of Medicine (2009).

NPPES Registry Identity

NPI1386870244
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameTONIA M. GREENWOODCredential: M.D.
Location Address5000 MEMORIAL DRTwo Rivers, WI 54241-3900
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(920) 686-5734
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2009
Enumeration DateJune 5, 2009
Last NPPES UpdateJuly 15, 20243 updates tracked since enumeration
NPPES CertifiedJuly 15, 2024
✔ NPI 1386870244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · -6279620
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.
5000 MEMORIAL DR, Two Rivers, WI 54241
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Other Identifiers 1

Medicaid100046212WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

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

Tonia M. Greenwood 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 ID446565154
PECOS Enrollment IDI20150810002133
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 Reassignment

Medicare enrollment records show Tonia Greenwood reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Association Of Hospital Anesthesiologists Sc
42 mi
Anesthesiology
130 2ND ST, STE. A107
Neenah, WI 54956
  • Reassigned Medicare billing, Wisconsin enrollment
  • 144 clinicians in this Medicare group
NPI 1720076474 (920) 729-3332

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 3

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
38 services38 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
14 services14 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Thedacare Regional Medical Center - Appleton Inc

Acute Care Hospitals · Appleton, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520160
Location1818 N Meade StAppleton, WI 54911 · Outagamie 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.

MATTHEW KLEIN
Physical Therapist (Orthopedic)
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5000
MR. JOHN D DUSENBERY CRNA
Nurse Anesthetist, Certified Registered
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5000
ANGELIA VUE
Speech-Language Pathologist
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5376
DR. DAVID DEAN COPP M.D.
Surgery
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5000
EMIL M PAJEK M.D.
Internal Medicine
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5125
NICOLE H SODDY PT
Physical Therapist
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5000
DR. CHARLES D PRATT MD
Surgery
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5125
SUSAN LAURA PRIBYL C.O.T.A.
Occupational Therapy Assistant
5000 MEMORIAL DR
TWO RIVERS, WI 54241
Manitowoc County (920) 794-5176

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 Tonia Greenwood's NPI number?

The NPI number for Tonia Greenwood is 1386870244. It was assigned to this individual provider in the NPPES registry on June 5, 2009.

Where is Tonia Greenwood located?

Tonia Greenwood practices at 5000 Memorial Dr, Two Rivers, WI 54241. The listed phone number is (920) 686-5734.

What is Tonia Greenwood's specialty?

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

Is Tonia Greenwood enrolled in Medicare?

Yes. Tonia Greenwood 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 organization bills Medicare for Tonia Greenwood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tonia Greenwood reassigns Medicare benefits to Association Of Hospital Anesthesiologists Sc (Neenah, WI). The 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 Tonia Greenwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tonia Greenwood accept?

Health plans from CareSource (Common Ground Healthcare) list Tonia Greenwood 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 Tonia Greenwood affiliated with any hospitals?

According to CMS data, Tonia Greenwood is affiliated with Thedacare Regional Medical Center - Appleton Inc.

When was this NPI record last updated?

The NPPES record for Tonia Greenwood was last updated on July 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.