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GREGORY COLEMAN IGLESIA M.D.
NPI 1992704803
Radiology - Diagnostic Radiology in San Marcos, TX

Active since July 21, 2005PECOS Enrolled
94.06/100
CMS Quality Rating
1301 WONDER WORLD DR, SAN MARCOS, TX 78666(512) 396-8565(512) 396-8567 Get Directions Write a Review

NPPES record last updated: July 11, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gregory Coleman Iglesia M.d. NPPES

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

GREGORY COLEMAN IGLESIA M.D. (NPI 1992704803) is an individual diagnostic radiology provider in San Marcos, Texas, licensed in Texas (H7991) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992704803
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameGREGORY COLEMAN IGLESIACredential: M.D.
Location Address1301 WONDER WORLD DRSan Marcos, TX 78666-7533
Mailing AddressPo Box 1005San Marcos, TX 78667-1005 · (512) 396-8565 · Fax (512) 396-8567
Phone(512) 396-8565
Fax(512) 396-8567
Sole ProprietorNo
Enumeration DateJuly 21, 2005
Last NPPES UpdateJuly 11, 2008
✔ NPI 1992704803 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in TX · H7991
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1301 WONDER WORLD DR, San Marcos, TX 78666
Open in Google Maps ↗

Other Identifiers 5

Medicaid103672502TX
Medicare ID-Type Unspecified83R493TX · Medicare
Other00TS99TX · Bcbsstx
Other880858ZTX · Bcbstx
Medicare UPINF82458TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Coleman Iglesia M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Iglesia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

San Marcos Medical Imaging PLLC
Same address
Diagnostic Radiology
1301 WONDER WORLD DR
San Marcos, TX 78666
  • Reassigned Medicare billing, Texas enrollment
  • 3 clinicians in this Medicare group
NPI 1861519175 (512) 396-8565

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 78666 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
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.13
Improvement Activities40

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.

KATHERINE ALISON SIDES MD
Emergency Medicine
1301 WONDER WORLD DR, CENTRAL TEXAS MEDICAL CENTER
SAN MARCOS, TX 78666
Hays County (512) 353-8979
ROCKIE LANE DUGGER CRNA
Nurse Anesthetist, Certified Registered
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 353-8979
DOUGLAS S SMITH M.D.
Radiology (Diagnostic Radiology)
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 396-8565
MS. MILDRED SIMON MOZARA CRNA
Nurse Anesthetist, Certified Registered
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 353-8979
COLLEEN HUGHES
Physical Therapist
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 353-8979
RADIOLOGY ASSOCIATES OF SAN MARCOS
Radiology (Diagnostic Radiology)
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 396-8565
JOSE OVIDIO PENA JR. MD
Emergency Medicine
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 753-3796
CAREY MICHELLE SWEET ARNP-C
Nurse Practitioner
1301 WONDER WORLD DR
SAN MARCOS, TX 78666
Hays County (512) 753-3874

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 Gregory Iglesia's NPI number?

The NPI number for Gregory Iglesia is 1992704803. It was assigned to this individual provider in the NPPES registry on July 21, 2005.

Where is Gregory Iglesia located?

Gregory Iglesia practices at 1301 Wonder World Dr, San Marcos, TX 78666. The listed phone number is (512) 396-8565.

What is Gregory Iglesia's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gregory Iglesia enrolled in Medicare?

Yes. Gregory Iglesia is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Iglesia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Iglesia reassigns Medicare benefits to San Marcos Medical Imaging PLLC (San Marcos, TX). The 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 Gregory Iglesia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Iglesia accept?

Health plans from Blue Cross and Blue Shield of Texas list Gregory Iglesia 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 Gregory Iglesia was last updated on July 11, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.