DR. NASSER DEAN ASKARI D.O.
NPI 1508112582
Internal Medicine in Mansfield, TX

Q: What is Nasser Askari's NPI number?

The NPI number for Nasser Askari is 1508112582. It was assigned to this individual provider in the NPPES registry on July 27, 2012.

Q: What is Nasser Askari'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 Nasser Askari was last updated on April 29, 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 July 27, 2012PECOS EnrolledAccepts Medicare Assignment

1001 MATLOCK RD STE 101, MANSFIELD, TX 76063(817) 539-0770 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 18, 2019, Oct 13, 2016, Sep 14, 2016 and 1 more (4 updates tracked since 2016).

On this page

About Dr. Nasser Dean Askari D.o. NPPES

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

DR. NASSER DEAN ASKARI D.O. (NPI 1508112582) is an individual internal medicine provider in Mansfield, Texas, licensed in Texas (Q6492) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Irving, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2008).

NPPES Registry Identity

NPI1508112582

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. NASSER DEAN ASKARICredential: D.O.

Location Address1001 MATLOCK RD STE 101Mansfield, TX 76063-6564

Mailing Address1001 Matlock Rd Ste 101Mansfield, TX 76063-6564 · (817) 539-0770

Phone(817) 539-0770

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2008

Enumeration DateJuly 27, 2012

Last NPPES UpdateApril 29, 20254 updates tracked since enumeration

NPPES CertifiedApril 29, 2025

✔ NPI 1508112582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TX · Q6492

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.

Also ListedPediatricsTaxonomy 208000000X · License Q6492 (TX)

1001 MATLOCK RD STE 101, Mansfield, TX 76063

Open in Google Maps ↗

Secondary Practice Location 1

Location 16750 N MacArthur Blvd, Suite 150Irving, TX 75039-2875 · Phone (972) 373-0303

Other Identifiers 2

Medicaid363358802TX

Medicaid363358803TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nasser Dean Askari D.o. 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 ID3476841594

PECOS Enrollment IDI20161005001512

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.

Medicare Billing Reassignments

Medicare enrollment records show Nasser Askari reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Clinic Of North Texas, PLLC

7.5 mi

Internal Medicine

4401 PARK SPRINGS BLVD STE 100
Arlington, TX 76017

Reassigned Medicare billing, Texas enrollment
379 clinicians in this Medicare group

NPI 1033167234 (817) 807-9060

Questcare Medical Clinics PLLC

15 mi

Family Medicine

1571 SW WILSHIRE BLVD, SUITE 500
Burleson, TX 76028

Reassigned Medicare billing, Texas enrollment
42 clinicians in this Medicare group

NPI 1821430166 (214) 712-2000

Questcare Hospitalists PLLC

30 mi

Emergency Medicine

7777 FOREST LN
Dallas, TX 75230

Reassigned Medicare billing, Texas enrollment
486 clinicians in this Medicare group

NPI 1265441620 (954) 939-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

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.

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.

70 services52 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.

64 services51 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.

31 services26 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.

30 services30 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

26 services24 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

25 services23 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

24 services23 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

24 services23 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

24 services24 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

24 services24 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

24 services24 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

23 services23 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.

21 services21 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.

21 services21 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.

13 services13 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

12 services11 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76063 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

$129.63 typical visit price

range $56.47 – $171.07

Typical copayment $32.40 (range $14.11 – $42.76)

Most-billed visit code 99204

Established Patient

$99.68 typical visit price

range $18.18 – $139.68

Typical copayment $24.92 (range $4.54 – $34.92)

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.

Other Providers at the Same Location NPPES

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

QUESTCARE MEDICAL CLINICS PLLC

Family Medicine

1001 MATLOCK RD STE 101
MANSFIELD, TX 76063

Tarrant County (214) 712-2000

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 Nasser Askari's NPI number?

The NPI number for Nasser Askari is 1508112582. It was assigned to this individual provider in the NPPES registry on July 27, 2012.

Where is Nasser Askari located?

Nasser Askari practices at 1001 Matlock Rd Ste 101, Mansfield, TX 76063. The listed phone number is (817) 539-0770.

What is Nasser Askari's specialty?

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

Is Nasser Askari enrolled in Medicare?

Yes. Nasser Askari 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.

Which organizations bill Medicare for Nasser Askari's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nasser Askari reassigns Medicare benefits to 3 organizations: Medical Clinic Of North Texas, PLLC (Arlington, TX), Questcare Medical Clinics PLLC (Burleson, TX) and Questcare Hospitalists PLLC (Dallas, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nasser Askari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nasser Askari accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Nasser Askari 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.

When was this NPI record last updated?

The NPPES record for Nasser Askari was last updated on April 29, 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.