Gregory Luna, PA
NPI 1184949976 · Medical Physician Assistant · Port Isabel, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Luna, PA is a Medical Physician Assistant provider in Port Isabel, TX (NPI 1184949976).
Provider details
- NPI number
- 1184949976
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA05710 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,317 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 408 | $74 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 202 | $12 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 187 | $9 |
| Urinalysis, Manual Test81002 | 180 | $3 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 111 | $90 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 320 | 118 |
| Metformin Hcl | 166 | 54 |
| Lisinopril | 165 | 56 |
| Montelukast Sodium | 158 | 71 |
| Levothyroxine Sodium | 127 | 46 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 115 | 98 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$51 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-05
- Last updated
- 2020-08-14
- Certified
- 2020-08-14
Frequently asked questions
- What is Gregory Luna's NPI number?
- Gregory Luna's National Provider Identifier (NPI) is 1184949976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Luna's specialty?
- Gregory Luna is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Luna located?
- Gregory Luna's practice location on file with NPPES is 112 W Queen Isabella Ste C, Port Isabel, TX 78578-2970.
- What is Gregory Luna's phone number?
- The practice phone number listed in the NPPES registry for Gregory Luna is (956) 524-0555.
- Does Gregory Luna accept Medicare?
- Gregory Luna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Luna's NPI active?
- Yes — Gregory Luna's NPI (1184949976) is active in the NPPES registry as of the last update on 2020-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.