Fernando Arzola, MD
NPI 1841289030 · Internal Medicine Physician · Mcallen, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Arzola, MD is a Internal Medicine Physician provider in Mcallen, TX (NPI 1841289030).
Provider details
- NPI number
- 1841289030
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22315 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
469 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 98 | $165 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 85 | $112 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 81 | $113 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 46 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 40 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 35 | $109 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Naproxen | 49 | 46 |
| Prednisone | 41 | 39 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 22 | 22 |
| Doxycycline Hyclate | 18 | 18 |
| Azithromycin | 18 | 18 |
| Cyclobenzaprine Hcl | 17 | 17 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 across 2 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)
- 943 Campbell AveLake Wales, FL 33853-4234Phone: (214) 422-4341
Registry dates
- Enumerated
- 2005-10-19
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Fernando Arzola's NPI number?
- Fernando Arzola's National Provider Identifier (NPI) is 1841289030, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Arzola's specialty?
- Fernando Arzola is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Arzola located?
- Fernando Arzola's practice location on file with NPPES is 110 E Savannah Ave Bldg A203, Mcallen, TX 78503-1239.
- What is Fernando Arzola's phone number?
- The practice phone number listed in the NPPES registry for Fernando Arzola is (214) 422-4341.
- Does Fernando Arzola accept Medicare?
- Fernando Arzola is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Arzola's NPI active?
- Yes — Fernando Arzola's NPI (1841289030) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.