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

GREGORY A LUNA PA
NPI 1184949976
Physician Assistant - Medical in Port Isabel, TX

Active since April 05, 2010PECOS Enrolled
112 W QUEEN ISABELLA STE C, PORT ISABEL, TX 78578(956) 524-0555(956) 524-0405 Get Directions Write a Review

NPPES record last updated: July 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 19, 2026, Aug 14, 2020, Jan 10, 2019 (3 updates tracked since 2019).

About Gregory A Luna Pa NPPES

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

GREGORY A LUNA PA (NPI 1184949976) is an individual medical provider in Port Isabel, Texas, licensed in Texas (PA05710) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Vhs Harlingen Hospital Company Llc, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1184949976
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameGREGORY A LUNACredential: PA
Location Address112 W QUEEN ISABELLA STE CPort Isabel, TX 78578-2970
Mailing Address112 W Queen Isabella Blvd Ste CPort Isabel, TX 78578-2970 · (956) 524-0555 · Fax (956) 524-0405
Fax(956) 524-0405
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateApril 5, 2010
Last NPPES UpdateJuly 19, 20263 updates tracked since enumeration
NPPES CertifiedJuly 19, 2026
NPI 1184949976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License Licensed in TX · PA05710
112 W QUEEN ISABELLA STE C, Port Isabel, TX 78578

Other Identifiers 1

Medicaid1184949976TX

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory A Luna Pa 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 ID8921370784
PECOS Enrollment IDI20190402001938
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.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
408 services161 patients
Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
301 services62 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
202 services94 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
187 services120 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
180 services113 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
143 services61 patients

Hospital Affiliations CMS Care Compare

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

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450033
Location2101 Pease StHarlingen, TX 78550 · Cameron 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 Gregory Luna's NPI number?

The NPI number for Gregory Luna is 1184949976. It was assigned to this individual provider in the NPPES registry on April 5, 2010.

Where is Gregory Luna located?

Gregory Luna practices at 112 W Queen Isabella Ste C, Port Isabel, TX 78578. The listed phone number is (956) 524-0555.

What is Gregory Luna's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Gregory Luna enrolled in Medicare?

Yes. Gregory Luna 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.

What insurance does Gregory Luna accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Gregory Luna 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 Gregory Luna affiliated with any hospitals?

According to CMS data, Gregory Luna is affiliated with Vhs Harlingen Hospital Company LLC.

When was this NPI record last updated?

The NPPES record for Gregory Luna was last updated on July 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.