DR. DIANA CAROLYN GOMEZ COOK M.D.
NPI 1720344997
Family Medicine in Round Rock, TX

Active since April 02, 2012PECOS Enrolled
3200 GREENLAWN BLVD STE 160, ROUND ROCK, TX 78664(281) 783-8162 Get Directions Write a Review

NPPES record last updated: February 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 1, 2023, Sep 20, 2022, Jan 13, 2021 (3 updates tracked since 2021).

About Dr. Diana Carolyn Gomez Cook M.d. NPPES

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

DR. DIANA CAROLYN GOMEZ COOK M.D. (NPI 1720344997) is an individual family medicine provider in Round Rock, Texas, licensed in Texas (Q5379) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Florida College Of Medicine (2012).

NPPES Registry Identity

NPI1720344997
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DIANA CAROLYN GOMEZ COOKCredential: M.D.
Location Address3200 GREENLAWN BLVD STE 160Round Rock, TX 78664-7591
Mailing Address2925 Briarpark Dr Ste 575Houston, TX 77042-3776 · (832) 626-2842
Sole ProprietorYes
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2012
Enumeration DateApril 2, 2012
Last NPPES UpdateFebruary 1, 20233 updates tracked since enumeration
NPPES CertifiedFebruary 1, 2023
✔ NPI 1720344997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · Q5379
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3200 GREENLAWN BLVD STE 160, Round Rock, TX 78664

Other Names 1

Former Name (1)Dr. Diana Carolyn Gomez M.d.

Secondary Practice Locations 2

Location 1120 Ed Schmidt BlvdHutto, TX 78634-5558 · Phone (512) 509-9500
Location 2720 W 34th StAustin, TX 78705-1205 · Phone (512) 988-5355 · Fax (512) 323-0307

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)

Dr. Diana Carolyn Gomez Cook M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2668788720
PECOS Enrollment IDI20150903001581
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

3

Medicare enrollment records show Diana Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1210 W BRAKER LN
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • 240 clinicians in this Medicare group
Family Medicine
720 W 34TH ST
Austin, TX 78705
  • Reassigned Medicare billing, Texas enrollment
  • 28 clinicians in this Medicare group
122 mi
Urgent Care
9722 GASTON RD STE 190
Katy, TX 77494
  • Reassigned Medicare billing, Texas enrollment
  • 379 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 78664 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 2

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

Nurse Practitioner
3200 GREENLAWN BLVD STE 160
ROUND ROCK, TX 78664
Clinic/Center (Urgent Care)
3200 GREENLAWN BLVD STE 160
ROUND ROCK, TX 78664

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 Cook's NPI number?

The NPI number for Diana Cook is 1720344997. It was assigned to this individual provider in the NPPES registry on April 2, 2012. The provider is also known as Dr. Diana Carolyn Gomez M.D..

Where is Diana Cook located?

Diana Cook practices at 3200 Greenlawn Blvd Ste 160, Round Rock, TX 78664. The listed phone number is (281) 783-8162.

What is Diana Cook's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Diana Cook enrolled in Medicare?

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

Which organizations bill Medicare for Diana Cook's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Cook reassigns Medicare benefits to 3 organizations: Central Texas Community Health Centers (Austin, TX), Vmd Primary Providers Of South Central Texas PLLC (Austin, TX) and Nluc PLLC (Katy, TX). 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 Diana Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Cook accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Diana Cook 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 Diana Cook was last updated on February 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.