Diana Lozano, M.D.
NPI 1184620247 · Internal Medicine Physician · Harlingen, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Lozano, M.D. is a Internal Medicine Physician provider in Harlingen, TX (NPI 1184620247).
Provider details
- NPI number
- 1184620247
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- K1534 (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
21 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
3,561 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 | 1,151 | $115 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 575 | $79 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 378 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 243 | $124 |
| Administration of Influenza Virus VaccineG0008 | 124 | $31 |
| Administration of a Standardized, Evidence-Based Social Determinants of Health Risk Assessment Tool, 5-15 MinutesG0136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 179 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 875 | 252 |
| Levothyroxine Sodium | 774 | 215 |
| Losartan Potassium | 663 | 192 |
| Atorvastatin Calcium | 559 | 161 |
| Amlodipine Besylate | 534 | 162 |
| Lisinopril | 447 | 135 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$634 across 31 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
- 2005-06-23
- Last updated
- 2025-02-26
- Certified
- 2025-02-26
Frequently asked questions
- What is Diana Lozano's NPI number?
- Diana Lozano's National Provider Identifier (NPI) is 1184620247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Lozano's specialty?
- Diana Lozano is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diana Lozano located?
- Diana Lozano's practice location on file with NPPES is 5505 S Expressway 77, Harlingen, TX 78550-3222.
- What is Diana Lozano's phone number?
- The practice phone number listed in the NPPES registry for Diana Lozano is (956) 440-2800.
- Does Diana Lozano accept Medicare?
- Diana Lozano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Lozano's NPI active?
- Yes — Diana Lozano's NPI (1184620247) is active in the NPPES registry as of the last update on 2025-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.