NPPES file of Aug 9, 2026

Shahryar Sean Nassi, MD

Internal Medicine Physician · Plano, TX

Shahryar Sean Nassi, MD is an internal medicine physician with a practice address in Plano, Texas, and NPI 1356542617, issued on May 31, 2007. Check the license (Texas M8863, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356542617
Name
Shahryar Sean Nassi
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
M8863 TX
BP10018362 TX
Self-reported in NPPES; status is on the state search
Practice location
4700 Alliance Blvd, Plano, TX 75093
Phone
(469) 814-6631
Enumerated
May 31, 2007
Record last updated
Feb 21, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080801000217); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4700 Alliance Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Megan Abbott, DPT, PTPhysical Therapist1467972943
  2. Esther AdoariPsychiatric/Mental Health Nurse Practitioner1801721758
  3. Micole Bell, DPTPhysical Therapist1508156118
  4. Laura Berlin, M.S. SLPSpeech-Language Pathologist1144754193
  5. Sarah Boucher, M.D.Internal Medicine Physician1982805339
  6. Kelly Brady, PHYSICAL THERAPISTPhysical Therapist1144676867

Verify Shahryar Sean Nassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license M8863
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

403 Medicare Part D claims for 171 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 32 claims were for opioids.

  1. Shahryar Nassi403
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium33 claims
  2. Hydrocodone-Acetaminophen22 claims
  3. Prednisone19 claims
  4. Furosemide16 claims
  5. Amlodipine Besylate15 claims
  6. Amoxicillin-Clavulanate Potass14 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.

Bills Medicare through one group practice

  1. Healthtexas Provider NetworkFrisco, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shahryar Sean Nassi among 9,175 internal medicine physician records in Texas

Shahryar Sean Nassi, MD 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 50% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2004 · median 2004 among the 6,088 with a school on file
  • Record last updated2014 · 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).

205 internal medicine physician records list a practice address in Plano

They are 205 of the 7,271 NPPES records with a practice address in Plano, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Linda Bang, M.D.Plano, TX 750931447243688
  2. Odette Campbell, M.D.Plano, TX 750931114989092
  3. Kimberly Crawford, MDPlano, TX 750931417926783
  4. Marie Dinh, M.D.Plano, TX 750931477518769
  5. Trung Duong, M.D.Plano, TX 750931841269578
  6. Safoora Harandi, M.D.Plano, TX 750931134126691
  7. Linda Krisik, M.D.Plano, TX 750931992782338
  8. Darius Peikari, MDPlano, TX 750931275590077

Common questions

What is Shahryar Sean Nassi, MD's NPI number?

Shahryar Sean Nassi, MD's National Provider Identifier (NPI) is 1356542617, issued on May 31, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Shahryar Sean Nassi, MD located?

The NPPES record lists a practice address at 4700 Alliance Blvd, Plano, TX, 75093. Phone: (469) 814-6631. Providers update this record themselves, so call before visiting.

How can I verify Shahryar Sean Nassi, MD's license?

NPPES lists Texas license number M8863, 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 Shahryar Sean Nassi, MD prescribe under Medicare Part D?

In 2024, Shahryar Sean Nassi, MD had 403 Medicare Part D claims for 171 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.