Diana Lozano, M.D.
Internal Medicine Physician · Harlingen, TX
Diana Lozano, M.D. is an internal medicine physician with a practice address in Harlingen, Texas, and NPI 1184620247, issued on Jun 23, 2005. Check the license (Texas K1534, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Diana Lozano
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K1534 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5505 S Expressway 77, Harlingen, TX 78550
- Phone
- (956) 440-2800
- Enumerated
- Jun 23, 2005
- Record last updated
- Feb 26, 2025
- Fax
- (956) 440-2817
- Medicaid ID
- 127487006 TX
- Medicare enrollment
- Enrolled (PECOS I20050110000648); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 5505 S Expressway 77
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Danilo Asase, MDUrology Physician1447256557
- Maricruz Bloomquist, F.N.PFamily Health Clinical Nurse Specialist1588971881
- Stephanie Garcia, MDFamily Medicine Physician1679533152
- Thomas Huff, DOFamily Medicine Physician1780676858
- Julio Savinon, M.D.Internal Medicine Physician1851357354
Verify Diana Lozano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K1534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.0 times the Medicare Part D claims of the average internal medicine physician in 2024
15,738 Medicare Part D claims for 967 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 181 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium875 claims
- Levothyroxine Sodium774 claims
- Losartan Potassium663 claims
- Atorvastatin Calcium559 claims
- Amlodipine Besylate534 claims
- Lisinopril447 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $634.15
31 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Diana Lozano, MD, PAHarlingen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Lozano among 9,175 internal medicine physician records in Texas
Diana Lozano, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
72 internal medicine physician records list a practice address in Harlingen
They are 72 of the 2,419 NPPES records with a practice address in Harlingen, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Harlingen → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anshu Bhatla, MDHarlingen, TX 785501558371005
- Gustavo Garcia, MDHarlingen, TX 785501942299607
- Manoj Gogia, MDHarlingen, TX 785501841280518
- Shridhar Kotta, M.D.Harlingen, TX 785501780674432
- Mogbolahan Kuye, MDHarlingen, TX 785501083624746
- Teresa Lightner, MDHarlingen, TX 785501578553194
- Robert Minor, M.D.Harlingen, TX 785501972502599
- Isaac Osborne, M.D.Harlingen, TX 785501700809555
Common questions
What is Diana Lozano, M.D.'s NPI number?
Diana Lozano, M.D.'s National Provider Identifier (NPI) is 1184620247, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Diana Lozano, M.D. located?
The NPPES record lists a practice address at 5505 S Expressway 77, Harlingen, TX, 78550. Phone: (956) 440-2800. Providers update this record themselves, so call before visiting.
How can I verify Diana Lozano, M.D.'s license?
NPPES lists Texas license number K1534, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Lozano, M.D. prescribe under Medicare Part D?
In 2024, Diana Lozano, M.D. had 15,738 Medicare Part D claims for 967 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.