MARY CHANDLER GWIN MD
NPI 1346942943
Pediatrics in Cincinnati, OH

Active since March 20, 2023PECOS Enrolled
3333 BURNET AVENUE, MLC 5018, CINCINNATI, OH 45229(513) 636-4315 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 7, 2026, Mar 20, 2023 (2 updates tracked since 2023).

About Mary Chandler Gwin Md NPPES

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

MARY CHANDLER GWIN MD (NPI 1346942943) is an individual pediatrics provider in Cincinnati, Ohio, licensed in Ohio (35.155636) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346942943
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARY CHANDLER GWINCredential: MD
Location Address3333 BURNET AVENUE, MLC 5018Cincinnati, OH 45229-3039
Mailing Address3333 Burnet Avenue, Mlc 5018Cincinnati, OH 45229-3039 · (513) 636-4315
Sole ProprietorNo
Enumeration DateMarch 20, 2023
Last NPPES UpdateApril 7, 20262 updates tracked since enumeration
NPPES CertifiedApril 7, 2026
NPI 1346942943 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in OH · 35.155636
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3333 BURNET AVENUE, Cincinnati, OH 45229

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mary Chandler Gwin 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45229 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
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.

Pediatrics (Pediatric Emergency Medicine)
3333 BURNET AVENUE, ML 2008
CINCINNATI, OH 45229
Pediatrics (Neonatal-Perinatal Medicine)
3333 BURNET AVENUE, ML 7009
CINCINNATI, OH 45229
Pediatrics (Pediatric Cardiology)
3333 BURNET AVENUE, MLC 2003
CINCINNATI, OH 45229
Nurse Practitioner
3333 BURNET AVENUE, ML 2001
CINCINNATI, OH 45229
Social Worker
3333 BURNET AVENUE, ML 3014
CINCINNATI, OH 45229
Psychologist (Clinical)
3333 BURNET AVENUE, ML 5021
CINCINNATI, OH 45229
Anesthesiology (Pediatric Anesthesiology)
3333 BURNET AVENUE, ML 2001
CINCINNATI, OH 45229
Pediatrics (Pediatric Hematology-Oncology)
3333 BURNET AVENUE, ML 11027
CINCINNATI, OH 45229

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 Mary Gwin's NPI number?

The NPI number for Mary Gwin is 1346942943. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Mary Gwin located?

Mary Gwin practices at 3333 Burnet Avenue Mlc 5018, Cincinnati, OH 45229. The listed phone number is (513) 636-4315.

What is Mary Gwin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Mary Gwin enrolled in Medicare?

Yes. Mary Gwin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Gwin was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.