MICHELLE RENEE PETRICH MD
NPI 1447814702
Obstetrics & Gynecology - Maternal & Fetal Medicine in Saint Louis, MO

Active since April 23, 2019PECOS Enrolled
81.57/100
CMS Quality Rating
6400 CLAYTON RD, SAINT LOUIS, MO 63117(314) 617-3500(314) 768-6621 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 22, 2026, Apr 7, 2026, Jun 20, 2019 and 1 more (4 updates tracked since 2019).

About Michelle Renee Petrich Md NPPES

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

MICHELLE RENEE PETRICH MD (NPI 1447814702) is an individual maternal & fetal medicine provider in Saint Louis, Missouri, licensed in Missouri (2023012162) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Columbus.

NPPES Registry Identity

NPI1447814702
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameMICHELLE RENEE PETRICHCredential: MD
Location Address6400 CLAYTON RDSaint Louis, MO 63117-1997
Mailing Address505 Fairwood Hills RdO Fallon, IL 62269-3562 · (618) 795-5678
Fax(314) 768-6621
Sole ProprietorNo
Enumeration DateApril 23, 2019
Last NPPES UpdateJuly 22, 20264 updates tracked since enumeration
NPPES CertifiedJuly 22, 2026
✔ NPI 1447814702 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in MO · 2023012162
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.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 57.248173 (OH), 2023012162 (MO)
6400 CLAYTON RD, Saint Louis, MO 63117

Secondary Practice Location 1

Location 1410 W 10th AveColumbus, OH 43210-1240 · Phone (614) 293-8045

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Renee Petrich Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Michelle Petrich reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1225 SOUTH GRAND BLVD, 2L - DOOR 3,4
Saint Louis, MO 63104
  • Reassigned Medicare billing, Missouri enrollment
  • 1,294 clinicians in this Medicare group
Rural Health
515 MAPLE VALLEY DR
Farmington, MO 63640
  • Reassigned Medicare billing, Missouri enrollment
  • 595 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 63117 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.09
Promoting Interoperability100
Improvement Activities40
Cost54.28

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.

Podiatrist (Foot & Ankle Surgery)
6400 CLAYTON RD, STE 402
SAINT LOUIS, MO 63117
Internal Medicine
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117
Internal Medicine (Rheumatology)
6400 CLAYTON RD, SUITE 110
SAINT LOUIS, MO 63117
Internal Medicine
6400 CLAYTON RD, SUITE 401
SAINT LOUIS, MO 63117
Internal Medicine (Geriatric Medicine)
6400 CLAYTON RD, STE 107
SAINT LOUIS, MO 63117
Internal Medicine (Gastroenterology)
6400 CLAYTON RD, SUITE 216
SAINT LOUIS, MO 63117
Clinic/Center
6400 CLAYTON RD, STE 303
SAINT LOUIS, MO 63117
Internal Medicine (Cardiovascular Disease)
6400 CLAYTON RD, SUITE 316
RICHMOND HEIGHTS, MO 63117

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 Michelle Petrich's NPI number?

The NPI number for Michelle Petrich is 1447814702. It was assigned to this individual provider in the NPPES registry on April 23, 2019.

Where is Michelle Petrich located?

Michelle Petrich practices at 6400 Clayton Rd, Saint Louis, MO 63117. The listed phone number is (314) 617-3500.

What is Michelle Petrich's specialty?

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

Is Michelle Petrich enrolled in Medicare?

Yes. Michelle Petrich is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Petrich's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Petrich reassigns Medicare benefits to 2 organizations: Ssm Health Care Group (Saint Louis, MO) and Saint Francis Medical Center (Farmington, MO). 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 Michelle Petrich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Petrich accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list Michelle Petrich 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 Michelle Petrich was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.