DR. CAROLYN GRACE CHATTERTON DO, MPH
NPI 1245750744
Obstetrics & Gynecology - Maternal & Fetal Medicine in Milwaukee, WI

Active since June 26, 2017PECOS EnrolledAccepts Medicare Assignment
1020 N 12TH ST STE 102, MILWAUKEE, WI 53233(414) 219-4100 Get Directions Write a Review

NPPES record last updated: November 6, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 6, 2024, Sep 10, 2024, Jun 26, 2017 (3 updates tracked since 2017).

About Dr. Carolyn Grace Chatterton Do, Mph NPPES

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

DR. CAROLYN GRACE CHATTERTON DO, MPH (NPI 1245750744) is an individual maternal & fetal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (8151721) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and is a graduate of At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa (2017).

NPPES Registry Identity

NPI1245750744
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameDR. CAROLYN GRACE CHATTERTONCredential: DO, MPH
Location Address1020 N 12TH ST STE 102Milwaukee, WI 53233-1308
Mailing Address1020 N 12th St Ste 102Milwaukee, WI 53233-1308 · (414) 219-4100
Sole ProprietorYes
Medical School CMSAt Still Un Of Hlth Sciences, Col Of Osteo Med, MesaGraduated 2017
Enumeration DateJune 26, 2017
Last NPPES UpdateNovember 6, 20243 updates tracked since enumeration
NPPES CertifiedNovember 6, 2024
✔ NPI 1245750744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in WI · 8151721
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
1020 N 12TH ST STE 102, Milwaukee, WI 53233

Other Names 1

Former Name (1)Carolyn Grace Parks

Other Identifiers 1

Medicaid100287403WI

Accepted 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

Dr. Carolyn Grace Chatterton Do, Mph 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 ID7719222868
PECOS Enrollment IDI20241018001993
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

2

Medicare enrollment records show Carolyn Chatterton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
3301 W FOREST HOME AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
Family Medicine
3003 W GOOD HOPE RD
Milwaukee, WI 53209
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,615 clinicians in this Medicare group

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 53233 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.

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 Carolyn Chatterton's NPI number?

The NPI number for Carolyn Chatterton is 1245750744. It was assigned to this individual provider in the NPPES registry on June 26, 2017. The provider is also known as Carolyn Grace Parks.

Where is Carolyn Chatterton located?

Carolyn Chatterton practices at 1020 N 12th St Ste 102, Milwaukee, WI 53233. The listed phone number is (414) 219-4100.

What is Carolyn Chatterton's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Carolyn Chatterton enrolled in Medicare?

Yes. Carolyn Chatterton 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 Carolyn Chatterton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Chatterton reassigns Medicare benefits to 2 organizations: Aurora Medical Group, Inc. (Milwaukee, WI) and Aurora Advanced Healthcare, Inc. (Milwaukee, 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 Carolyn Chatterton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carolyn Chatterton accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), HealthPartners, Network Health and UnitedHealthcare list Carolyn Chatterton 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.

When was this NPI record last updated?

The NPPES record for Carolyn Chatterton was last updated on November 6, 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.