Maria Naranjo Palacio, MD
NPI 1164806360 · Endocrinology, Diabetes & Metabolism Physician · Mcallen, TX
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Naranjo Palacio, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Mcallen, TX (NPI 1164806360).
Provider details
- NPI number
- 1164806360
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- S9361 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
102 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $120 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $91 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $157 |
Typical Medicare-allowed amounts for these services range $91–$157 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 280 | 68 |
| Levothyroxine Sodium | 222 | 71 |
| Atorvastatin Calcium | 182 | 68 |
| Metformin Hcl | 129 | 56 |
| Empagliflozinbrand: Jardiance | 125 | 40 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 96 | 41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$196 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
Additional practice locations (1)
- 216 N Fm 3167 Unit 4Rio Grande City, TX 78582-7060Phone: (956) 682-1508Fax: (956) 682-0551
Registry dates
- Enumerated
- 2015-07-17
- Last updated
- 2026-04-17
- Certified
- 2026-04-17
Frequently asked questions
- What is Maria Naranjo Palacio's NPI number?
- Maria Naranjo Palacio's National Provider Identifier (NPI) is 1164806360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Naranjo Palacio's specialty?
- Maria Naranjo Palacio is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Naranjo Palacio located?
- Maria Naranjo Palacio's practice location on file with NPPES is 409 Lindberg Ave, Mcallen, TX 78501-2921.
- What is Maria Naranjo Palacio's phone number?
- The practice phone number listed in the NPPES registry for Maria Naranjo Palacio is (956) 682-1508.
- Does Maria Naranjo Palacio accept Medicare?
- Maria Naranjo Palacio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Naranjo Palacio's NPI active?
- Yes — Maria Naranjo Palacio's NPI (1164806360) is active in the NPPES registry as of the last update on 2026-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.