Nasser Dean Askari, D.O.
Internal Medicine Physician · Mansfield, TX
Nasser Dean Askari, D.O. is an internal medicine physician with a practice address in Mansfield, Texas, and NPI 1508112582, issued on Jul 27, 2012. Check the license (Texas Q6492, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nasser Dean Askari
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- Q6492 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Matlock RD Ste 101, Mansfield, TX 76063
- Phone
- (817) 539-0770
- Enumerated
- Jul 27, 2012
- Record last updated
- Apr 29, 2025
- Medicaid IDs
- 363358802 TX
363358803 TX - Medicare enrollment
- Enrolled (PECOS I20161005001512); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2008
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Nasser Dean Askari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q6492Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
953 Medicare Part D claims for 206 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium74 claims
- Rosuvastatin Calcium57 claims
- Amlodipine Besylate42 claims
- Losartan Potassium37 claims
- Lisinopril35 claims
- Metoprolol Succinate32 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: $117.33
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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 2 group practices
- Questcare Hospitalists PLLCArlington, TX
- Questcare Medical Clinics PLLCMansfield, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nasser Dean Askari among 9,175 internal medicine physician records in Texas
Nasser Dean Askari, D.O. 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 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · 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).
32 internal medicine physician records list a practice address in Mansfield
They are 32 of the 1,471 NPPES records with a practice address in Mansfield, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Mansfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sado Albitar, M.D.Mansfield, TX 760631073742466
- Denise Bruckerhoff, D.O.Mansfield, TX 760631164690111
- Gretchen Bures, MDMansfield, TX 760631003098815
- Wendy Collini, MDMansfield, TX 760631194937417
- Pramesh Dave, M.D.Mansfield, TX 760631700833001
- Qin Huang, MDMansfield, TX 760631720271489
- Shelley Lenamond, D.O.Mansfield, TX 760631629194311
- Michael McInnis, MDMansfield, TX 760631033189956
Common questions
What is Nasser Dean Askari, D.O.'s NPI number?
Nasser Dean Askari, D.O.'s National Provider Identifier (NPI) is 1508112582, issued on Jul 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Nasser Dean Askari, D.O. located?
The NPPES record lists a practice address at 1001 Matlock RD Ste 101, Mansfield, TX, 76063. Phone: (817) 539-0770. Providers update this record themselves, so call before visiting.
How can I verify Nasser Dean Askari, D.O.'s license?
NPPES lists Texas license number Q6492, 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 Nasser Dean Askari, D.O. prescribe under Medicare Part D?
In 2024, Nasser Dean Askari, D.O. had 953 Medicare Part D claims for 206 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.