DIANA R KERWIN MD
NPI 1750335097
Internal Medicine - Geriatric Medicine in Dallas, TX

Active since May 20, 2006PECOS Enrolled
8198 WALNUT HILL LN STE 100, DALLAS, TX 75231(214) 345-4449(214) 345-1238 Get Directions Write a Review

NPPES record last updated: January 13, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Diana R Kerwin Md NPPES

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

DIANA R KERWIN MD (NPI 1750335097) is an individual geriatric medicine provider in Dallas, Texas, licensed in Texas (P5658) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750335097
Entity TypeIndividualFemale
Primary Taxonomy207RG0300X
Provider Legal NameDIANA R KERWINCredential: MD
Location Address8198 WALNUT HILL LN STE 100Dallas, TX 75231-4316
Mailing Address8198 Walnut Hill Ln Ste 100Dallas, TX 75231-4316 · (214) 345-4449 · Fax (214) 345-1238
Fax(214) 345-1238
Sole ProprietorNo
Enumeration DateMay 20, 2006
Last NPPES UpdateJanuary 13, 2016
NPI 1750335097 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
Licenses Licensed in TX · P5658 Licensed in WI · 44447
Definition

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

8198 WALNUT HILL LN STE 100, Dallas, TX 75231

Other Identifiers 6

Other006000261RHumana
Medicaid326041601TX
Medicare ID-Type Unspecified0011D73601
Medicare UPINH23937
Medicare PIN295324YKQLTX
Medicaid34205300WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Diana R Kerwin 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 75231 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
$172.86 typical visit price
range $57.18 – $172.86
Typical copayment $43.21 (range $14.29 – $43.21)
Most-billed visit code 99205
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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 5

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

Nurse Practitioner (Acute Care)
8198 WALNUT HILL LN STE 100
DALLAS, TX 75231
Nurse Practitioner (Family)
8198 WALNUT HILL LN STE 100
DALLAS, TX 75231
Internal Medicine (Geriatric Medicine)
8198 WALNUT HILL LN STE 100
DALLAS, TX 75231
Internal Medicine (Geriatric Medicine)
8198 WALNUT HILL LN STE 100
DALLAS, TX 75231
Psychiatry & Neurology (Neurology)
8198 WALNUT HILL LN STE 100
DALLAS, TX 75231

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 Diana Kerwin's NPI number?

The NPI number for Diana Kerwin is 1750335097. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Diana Kerwin located?

Diana Kerwin practices at 8198 Walnut Hill Ln Ste 100, Dallas, TX 75231. The listed phone number is (214) 345-4449.

What is Diana Kerwin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Diana Kerwin enrolled in Medicare?

Yes. Diana Kerwin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diana Kerwin was last updated on January 13, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.