DR. DIANA LOZANO M.D.
NPI 1184620247
Internal Medicine in Harlingen, TX

Q: What is Diana Lozano's NPI number?

The NPI number for Diana Lozano is 1184620247. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Q: What is Diana Lozano's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Lozano was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 23, 2005PECOS EnrolledAccepts Medicare Assignment

5505 S EXPRESSWAY 77, STE 203, HARLINGEN, TX 78550(956) 440-2800(956) 440-2817 Get Directions Write a Review

NPPES record last updated: February 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Diana Lozano M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DIANA LOZANO M.D. (NPI 1184620247) is an individual internal medicine provider in Harlingen, Texas, licensed in Texas (K1534) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Valley Baptist Medical Center- Brownsville, and is a graduate of Indiana University School Of Medicine (1996).

NPPES Registry Identity

NPI1184620247

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. DIANA LOZANOCredential: M.D.

Location Address5505 S EXPRESSWAY 77, STE 203Harlingen, TX 78550-3222

Mailing Address5505 S Expressway 77, Ste 203Harlingen, TX 78550-3222 · (956) 440-2800 · Fax (956) 440-2817

Phone(956) 440-2800

Fax(956) 440-2817

Sole ProprietorYes

Medical School CMSIndiana University School Of MedicineGraduated 1996

Enumeration DateJune 23, 2005

Last NPPES UpdateFebruary 26, 2025

NPPES CertifiedFebruary 26, 2025

✔ NPI 1184620247 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · K1534

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

5505 S EXPRESSWAY 77, Harlingen, TX 78550

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Other Identifiers 2

Medicaid127487006TX

OtherK1534TX · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Diana Lozano M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860440567

PECOS Enrollment IDI20050110000648

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 37

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,440 services16 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

1,151 services291 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

824 services82 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

575 services236 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

378 services133 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

243 services243 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

195 services27 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

124 services120 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

118 services116 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

108 services35 patients

Infusion into a vein for hydration, 31-60 minutes 96360

This is a procedure where a sterile solution is administered into your vein to help restore body fluid balance. It typically lasts between 31-60 minutes. It's a safe, common treatment for dehydration or to deliver medication.

97 services27 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

83 services34 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

79 services56 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

79 services54 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

79 services20 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

69 services69 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

57 services17 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

54 services48 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

36 services30 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

35 services28 patients

Injection, methylprednisolone sodium succinate, up to 125 mg J2930

Methylprednisolone sodium succinate is a steroid medication injected into a muscle or vein. It helps reduce inflammation and immune response. It's used for various conditions like allergies, arthritis, breathing problems, or skin diseases. It's important to follow your doctor's instructions.

35 services29 patients

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

Albuterol is a medication used to treat breathing problems. It is administered as an inhalation solution through a device called DME (Durable Medical Equipment). The solution is FDA-approved and non-compounded. Each unit dose contains 1 mg of the medicine.

35 services12 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

31 services11 patients

Urine microalbumin (protein) analysis 82044

Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.

28 services24 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

27 services24 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

26 services18 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

26 services23 patients

Inhalation treatment for airway obstruction or sputum production 94640

Inhalation treatment, also known as nebulizer therapy, helps clear airway obstructions and reduce sputum production. It involves breathing in medication through a device, turning it into a mist. This can open up the airways, making breathing easier and helping to cough out mucus.

22 services17 patients

Detection test by immunoassay technique for influenza virus 87400

An immunoassay test for influenza virus is a procedure that identifies the presence of the flu virus in your body. It uses your body's immune response to detect specific proteins (antigens) associated with the virus. This helps in early and accurate diagnosis of influenza.

19 services11 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services15 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

18 services18 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

16 services16 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

16 services13 patients

Infusion, normal saline solution, sterile (500 ml = 1 unit) J7040

An infusion of a normal saline solution is a common medical procedure. Sterile saline (salt water) is administered into your bloodstream via a drip. This helps to maintain fluid balance in your body, especially when you're unable to drink enough liquids.

15 services11 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

12 services12 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

11 services11 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Valley Baptist Medical Center- Brownsville

Acute Care Hospitals · Brownsville, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450028

Location1040 W Jefferson StBrownsville, TX 78520 · Cameron County

Emergency services Birthing friendly

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450033

Location2101 Pease StHarlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Knapp Medical Center

Acute Care Hospitals · Weslaco, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450128

Location1401 East Eight StreetWeslaco, TX 78596 · Hidalgo County

Emergency services Birthing friendly

Harlingen Medical Center

Acute Care Hospitals · Harlingen, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450855

Location5501 South Expressway 77Harlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Doctors Hosptal At Renaissance

Acute Care Hospitals · Edinburg, TX

3/5 CMS rating

OwnershipPhysician

CMS Certification Number450869

Location5501 South MccollEdinburg, TX 78539 · Hidalgo County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 15

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

18 suppliers63 claims125 services$5.44 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

14 suppliers36 claims38 services$0.87 avg. paid by Medicare

Adhesive remover, wipes, any type, each A4456

DME-Medical/Surgical Supplies · category DA000N

3 suppliers13 claims650 services$0.21 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

5 suppliers14 claims14 services$77.12 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

5 suppliers17 claims17 services$12.81 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

6 suppliers21 claims98 services$2.10 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CYNTHIA A GARCIA, MD PA

Physical Medicine & Rehabilitation

5505 S EXPRESSWAY 77, SUITE 200
HARLINGEN, TX 78550

Cameron County (956) 412-2200

ANGELICA VAN ATTEN PA-C

Physician Assistant (Medical)

5505 S EXPRESSWAY 77, SUITE 304
HARLINGEN, TX 78550

Cameron County (956) 428-7500

SOUTH TEXAS CLINIC FOR PAIN MANAGEMENT

Clinic/Center (Pain)

5505 S EXPRESSWAY 77, STE. 106
HARLINGEN, TX 78550

Cameron County (956) 423-9996

RIO GRANDE VALLEY NEUROLOGY PA

Psychiatry & Neurology (Neurology)

5505 S EXPRESSWAY 77, SUITE 204
HARLINGEN, TX 78550

Cameron County (956) 541-1278

HARLINGEN MED-CENTER PHARMACY

Pharmacy (Community/Retail Pharmacy)

5505 S EXPRESSWAY 77, SUITE 104
HARLINGEN, TX 78550

Cameron County (956) 412-5900

STEPHANIE H GARCIA MDPA

Family Medicine

5505 S EXPRESSWAY 77, SUITE 304
HARLINGEN, TX 78550

Cameron County (956) 428-7500

DANILO K ASASE MD

Urology

5505 S EXPRESSWAY 77, STE. 305
HARLINGEN, TX 78550

Cameron County (956) 428-6871

MRS. MARICRUZ R BLOOMQUIST F.N.P

Clinical Nurse Specialist (Family Health)

5505 S EXPRESSWAY 77, SUITE 205
HARLINGEN, TX 78550

Cameron County (956) 421-2757

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Lozano's NPI number?

The NPI number for Diana Lozano is 1184620247. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is Diana Lozano located?

Diana Lozano practices at 5505 S Expressway 77 Ste 203, Harlingen, TX 78550. The listed phone number is (956) 440-2800.

What is Diana Lozano's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Diana Lozano enrolled in Medicare?

Yes. Diana Lozano is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diana Lozano accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Diana Lozano as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diana Lozano affiliated with any hospitals?

According to CMS data, Diana Lozano is affiliated with Valley Baptist Medical Center- Brownsville, Vhs Harlingen Hospital Company LLC, Knapp Medical Center, Harlingen Medical Center and Doctors Hosptal At Renaissance.

When was this NPI record last updated?

The NPPES record for Diana Lozano was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.