NATALIE MARIE STASH MD
NPI 1235691981
Orthopaedic Surgery in Saint Louis, MO

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
701 S NEW BALLAS RD STE 510, SAINT LOUIS, MO 63141(314) 251-6710 Get Directions Write a Review

NPPES record last updated: August 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 10, 2022, Apr 2, 2019 (2 updates tracked since 2019).

About Natalie Marie Stash Md NPPES

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

NATALIE MARIE STASH MD (NPI 1235691981) is an individual orthopaedic surgery provider in Saint Louis, Missouri, licensed in Missouri (2025033832) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1235691981
Entity TypeIndividualFemale
Primary Taxonomy207X00000X
Provider Legal NameNATALIE MARIE STASHCredential: MD
Location Address701 S NEW BALLAS RD STE 510Saint Louis, MO 63141-8726
Mailing Address701 S New Ballas Rd Ste 510Saint Louis, MO 63141-8726 · (314) 251-6710
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2019
Enumeration DateApril 2, 2019
Last NPPES UpdateAugust 18, 20252 updates tracked since enumeration
NPPES CertifiedAugust 18, 2025
NPI 1235691981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses Licensed in MO · 2025033832 Licensed in WI · FG1157317
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
701 S NEW BALLAS RD STE 510, Saint Louis, MO 63141

Other Names 1

Former Name (1)Natalie Marie Gaio Md

Secondary Practice Locations 2

Location 1600 Highland AveMadison, WI 53792-0001 · Phone (608) 263-6400
Location 2621 S New Ballas Rd Ste 3005BSaint Louis, MO 63141-8266 · Phone (314) 251-6710

Accepted 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

Natalie Marie Stash 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 ID5698000800
PECOS Enrollment IDI20250930000486
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.

Hospital Affiliations CMS Care Compare

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES 15

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

Orthopaedic Surgery
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Nurse Practitioner (Family)
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Physician Assistant
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Orthopaedic Surgery
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Physician Assistant
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Family Medicine (Sports Medicine)
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Physician Assistant
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141
Orthopaedic Surgery
701 S NEW BALLAS RD STE 510
SAINT LOUIS, MO 63141

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 Natalie Stash's NPI number?

The NPI number for Natalie Stash is 1235691981. It was assigned to this individual provider in the NPPES registry on April 2, 2019. The provider is also known as Natalie Marie Gaio MD.

Where is Natalie Stash located?

Natalie Stash practices at 701 S New Ballas Rd Ste 510, Saint Louis, MO 63141. The listed phone number is (314) 251-6710.

What is Natalie Stash's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Natalie Stash enrolled in Medicare?

Yes. Natalie Stash 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.

What insurance does Natalie Stash accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 2 other insurers list Natalie Stash 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 Natalie Stash affiliated with any hospitals?

According to CMS data, Natalie Stash is affiliated with Mercy Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Natalie Stash was last updated on August 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.