Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHRYN DUNCAN MD
NPI 1710730148
Emergency Medicine in San Antonio, TX

Q: What is Kathryn Duncan's NPI number?

The NPI number for Kathryn Duncan is 1710730148. It was assigned to this individual provider in the NPPES registry on April 8, 2024.

Q: What is Kathryn Duncan's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Kathryn Duncan was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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 April 08, 2024PECOS Enrolled

4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 358-0265 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 25, 2026, Apr 8, 2024 (2 updates tracked since 2024).

On this page

About Kathryn Duncan Md NPPES

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

KATHRYN DUNCAN MD (NPI 1710730148) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (W7995) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710730148

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameKATHRYN DUNCANCredential: MD

Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402

Mailing Address1905 Tremont StDover, OH 44622-1078 · (330) 440-3277

Phone(210) 358-0265

Sole ProprietorYes

Enumeration DateApril 8, 2024

Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration

NPPES CertifiedAugust 25, 2026

✔ NPI 1710730148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in TX · W7995

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4502 MEDICAL DR, San Antonio, TX 78229

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kathryn Duncan 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 78229 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

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

EDUARDO N. POLLONO MD

Internal Medicine (Cardiovascular Disease)