MEGAN M TRESTER MD
NPI 1912167404
Obstetrics & Gynecology in Waukesha, WI

Q: What is Megan Trester's NPI number?

The NPI number for Megan Trester is 1912167404. It was assigned to this individual provider in the NPPES registry on June 10, 2008.

Q: What is Megan Trester's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Megan Trester was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since June 10, 2008PECOS EnrolledAccepts Medicare Assignment

1111 DELAFIELD ST STE 120, WAUKESHA, WI 53188(262) 544-4411(262) 650-3856 Get Directions Write a Review

NPPES record last updated: March 31, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 31, 2025, Mar 13, 2025 (2 updates tracked since 2025).

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About Megan M Trester Md NPPES

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

MEGAN M TRESTER MD (NPI 1912167404) is an individual obstetrics & gynecology provider in Waukesha, Wisconsin, licensed in Wisconsin (53428-20) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of University Of Wisconsin School Of Medicine (2005).

NPPES Registry Identity

NPI1912167404

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameMEGAN M TRESTERCredential: MD

Location Address1111 DELAFIELD ST STE 120Waukesha, WI 53188-3402

Mailing Address1111 Delafield St Ste 120Waukesha, WI 53188-3402 · (262) 544-4411 · Fax (262) 650-3856

Phone(262) 544-4411

Fax(262) 650-3856

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2005

Enumeration DateJune 10, 2008

Last NPPES UpdateMarch 31, 20252 updates tracked since enumeration

NPPES CertifiedMarch 31, 2025

✔ NPI 1912167404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

Licenses✔ Licensed in WI · 53428-20✔ Licensed in IL · 036-11943

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

1111 DELAFIELD ST STE 120, Waukesha, WI 53188

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Other Identifiers 1

Medicaid1912167404WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Network Health, UnitedHealthcare.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

Megan M Trester 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 ID9335293851

PECOS Enrollment IDI20090819000012

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 2

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.

18 services13 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

16 services16 patients

Hospital Affiliations CMS Care Compare

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520008

Location725 American AveWaukesha, WI 53188 · Waukesha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53188 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 19

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

DR. DARIN RAY GREGORY MD

Obstetrics & Gynecology