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ANNE MICHELLE MACHESKY MD
NPI 1619439437
Psychiatry & Neurology - Psychiatry in Oshkosh, WI

Active since April 01, 2019PECOS EnrolledAccepts Medicare Assignment
220 WASHINGTON AVE, OSHKOSH, WI 54901(920) 236-4700(920) 236-1157 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2025, Dec 16, 2024, Aug 9, 2023 and 1 more (4 updates tracked since 2019).

About Anne Michelle Machesky Md NPPES

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

ANNE MICHELLE MACHESKY MD (NPI 1619439437) is an individual psychiatry provider in Oshkosh, Wisconsin, licensed in Wisconsin (74711) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Ascension Ne Wisconsin - St Elizabeth Campus, and is a graduate of Medical College Of Wisconsin (2019).

NPPES Registry Identity

NPI1619439437
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameANNE MICHELLE MACHESKYCredential: MD
Location Address220 WASHINGTON AVEOshkosh, WI 54901-5030
Mailing Address220 Washington AveOshkosh, WI 54901-5030 · (920) 236-4700
Phone(920) 236-4700
Fax(920) 236-1157
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2019
Enumeration DateApril 1, 2019
Last NPPES UpdateOctober 22, 20254 updates tracked since enumeration
NPPES CertifiedOctober 22, 2025
✔ NPI 1619439437 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in WI · 74711
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
220 WASHINGTON AVE, Oshkosh, WI 54901
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners and more.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

Anne Michelle Machesky 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 ID8022401124
PECOS Enrollment IDI20230918003200
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 Anne Machesky reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Winnebago
Same address
Mental Health (Including Community Mental Health Center)
220 WASHINGTON AVE
Oshkosh, WI 54901
  • Reassigned Medicare billing, Wisconsin enrollment
  • 20 clinicians in this Medicare group
NPI 1508960675 (920) 236-4700

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

Hospital Affiliations CMS Care Compare 3

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

Ascension NE Wisconsin - St Elizabeth Campus

Acute Care Hospitals · Appleton, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520009
Location1506 S Oneida StAppleton, WI 54915 · Outagamie County
Emergency services Birthing friendly

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520045
Location130 2nd StNeenah, WI 54956 · Winnebago County
Emergency services Birthing friendly

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54901 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
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.

SANDRA MAGNUSON
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4600
STACEY CARLSON CNA
Nurse's Aide
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700
RACHEL A KELBERT A.P.S.W.
Case Manager/Care Coordinator
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700
SAMANTHA N BECKER
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700
SHARON SCHNECKENBERG B.S.
Case Manager/Care Coordinator
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700
LAURA A CRAIG RN
Registered Nurse (Psychiatric/Mental Health)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700
THERESA A BOUDREAU-VNUK B.X.
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700
MARISSA B LEE
Social Worker (Clinical)
220 WASHINGTON AVE
OSHKOSH, WI 54901
Winnebago County (920) 236-4700

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 Anne Machesky's NPI number?

The NPI number for Anne Machesky is 1619439437. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Anne Machesky located?

Anne Machesky practices at 220 Washington Ave, Oshkosh, WI 54901. The listed phone number is (920) 236-4700.

What is Anne Machesky's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Anne Machesky enrolled in Medicare?

Yes. Anne Machesky 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 Anne Machesky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anne Machesky reassigns Medicare benefits to County Of Winnebago (Oshkosh, 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 Anne Machesky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anne Machesky accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Network Health and Security Health Plan and 1 other insurer list Anne Machesky 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 Anne Machesky affiliated with any hospitals?

According to CMS data, Anne Machesky is affiliated with Ascension NE Wisconsin - St Elizabeth Campus, Thedacare Regional Med Ctr - Neenah and Thedacare Regional Medical Center - Appleton Inc.

When was this NPI record last updated?

The NPPES record for Anne Machesky was last updated on October 22, 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.