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DR. GREGGORY JOSE MARTINEZ M.D.
NPI 1013370642
Anesthesiology in Jbsa Ft Sam Houston, TX

Active since March 31, 2016PECOS EnrolledAccepts Medicare Assignment
3551 ROGER BROOKE DR RM 167-25, JBSA FT SAM HOUSTON, TX 78234(210) 292-5077(210) 292-7868 Get Directions Write a Review

NPPES record last updated: January 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 7, 2021, May 23, 2020, Dec 12, 2017 and 2 more (5 updates tracked since 2016).

About Dr. Greggory Jose Martinez M.d. NPPES

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

DR. GREGGORY JOSE MARTINEZ M.D. (NPI 1013370642) is an individual anesthesiology provider in Jbsa Ft Sam Houston, Texas, licensed in Texas (R5166) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Baptist Medical Center, and maintains a secondary practice location in Dallas.

NPPES Registry Identity

NPI1013370642
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. GREGGORY JOSE MARTINEZCredential: M.D.
Location Address3551 ROGER BROOKE DR RM 167-25Jbsa Ft Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke Dr Rm 167-25Jbsa Ft Sam Houston, TX 78234-4504 · (210) 292-5077 · Fax (210) 292-7868
Phone(210) 292-5077
Fax(210) 292-7868
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 31, 2016
Last NPPES UpdateJanuary 24, 20255 updates tracked since enumeration
NPPES CertifiedJanuary 24, 2025
✔ NPI 1013370642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · R5166
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License R5166 (TX)
Also ListedGeneral PracticeTaxonomy 208D00000X · License R5166 (TX)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3551 ROGER BROOKE DR RM 167-25, Jbsa Ft Sam Houston, TX 78234
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Secondary Practice Location 1

Location 112222 Merit Dr Ste 600Dallas, TX 75251-3294 · Phone (972) 715-5000 · Fax (972) 715-9976

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Greggory Jose Martinez M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981072691
PECOS Enrollment IDI20221129003286
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

6

Medicare enrollment records show Greggory Martinez reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sigma Pain Clinic PA
12 mi
Interventional Pain Medicine
3415 PAESANOS PKWY STE 100
San Antonio, TX 78231
  • Reassigned Medicare billing, Texas enrollment
  • 12 clinicians in this Medicare group
NPI 1255788279 (210) 600-9766
Lone Star Anesthesia Partners PLLC
13 mi
Anesthesiology
19802 MESSINA
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 144 clinicians in this Medicare group
NPI 1124760996 (210) 412-4310
Austin Anesthesiology Group, PLLC
74 mi
Anesthesiology
8140 N MOPAC EXPY STE 3-210
Austin, TX 78759
  • Reassigned Medicare billing, Texas enrollment
  • 840 clinicians in this Medicare group
NPI 1598724304 (512) 343-2292
U. S. Anesthesia Partners Of Texas, P.A.,
173 mi
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
NPI 1548208564 (877) 361-1809
Endo Sedation LLC
198 mi
Nurse Anesthetist, Certified Registered
1015 W MEDICAL CENTER BLVD STE 1200
Webster, TX 77598
  • Reassigned Medicare billing, Texas enrollment
  • 710 clinicians in this Medicare group
NPI 1811464936 (281) 554-3494
Orthomed Staffing LLC
259 mi
Anesthesiology
15305 DALLAS PKWY STE 900
Addison, TX 75001
  • Reassigned Medicare billing, Texas enrollment
  • 513 clinicians in this Medicare group
NPI 1225514276 (469) 863-9978

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Medical Center

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450058
Location111 Dallas StreetSan Antonio, TX 78205 · Bexar County
Emergency services Birthing friendly

Methodist Hospital

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450388
Location7700 Floyd Curl DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

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 Greggory Martinez's NPI number?

The NPI number for Greggory Martinez is 1013370642. It was assigned to this individual provider in the NPPES registry on March 31, 2016.

Where is Greggory Martinez located?

Greggory Martinez practices at 3551 Roger Brooke Dr Rm 167-25, Jbsa Ft Sam Houston, TX 78234. The listed phone number is (210) 292-5077.

What is Greggory Martinez's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Greggory Martinez enrolled in Medicare?

Yes. Greggory Martinez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Greggory Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greggory Martinez reassigns Medicare benefits to 6 organizations: Sigma Pain Clinic PA (San Antonio, TX), Lone Star Anesthesia Partners PLLC (San Antonio, TX), Austin Anesthesiology Group, PLLC (Austin, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Endo Sedation LLC (Webster, TX) and 1 more organization, listed in the Medicare section above. 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 Greggory Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Greggory Martinez accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Community First and Oscar Insurance Company list Greggory Martinez 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.

Is Greggory Martinez affiliated with any hospitals?

According to CMS data, Greggory Martinez is affiliated with Baptist Medical Center, Methodist Hospital and Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for Greggory Martinez was last updated on January 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.