NPPES file of Aug 9, 2026

Darine Kassar, M.D.

Neuromuscular Medicine (Psychiatry & Neurology) Physician · Sugar Land, TX

Darine Kassar, M.D. is a neuromuscular medicine (psychiatry & neurology) physician with a practice address in Sugar Land, Texas, and NPI 1902035686, issued on Jul 2, 2009. Check the license (Texas P8922, 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
1902035686
Name
Darine Kassar
Credential
M.D.
Primary taxonomy
Neuromuscular Medicine (Psychiatry & Neurology) Physician 2084N0008X
License number
P8922 TX
Self-reported in NPPES; status is on the state search
Practice location
16605 Southwest Fwy Ste 600, Sugar Land, TX 77479
Phone
(713) 254-2421
Enumerated
Jul 2, 2009
Record last updated
May 1, 2023
Medicare enrollment
Enrolled (PECOS I20141204000638); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest neuromuscular medicine (psychiatry & neurology) physician records → All 20 in Texas → Look up another NPI →

Also registered at 16605 Southwest Fwy Ste 600

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

  1. Wamda Ahmed, MDNeurology Physician1417276635
  2. Muhammad Taimur Malik, M.DNeurology Physician1528487816
  3. Jenny WongPhysician Assistant1881843142

Verify Darine Kassar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P8922    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

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96% more Medicare Part D claims than the average neuromuscular medicine (psychiatry & neurology) physician in 2024

1,622 Medicare Part D claims for 285 beneficiaries, against an average of 827 among the 258 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Darine Kassar1,622
  2. Specialty average827

Most prescribed

  1. Gabapentin172 claims
  2. Memantine Hcl169 claims
  3. Duloxetine Hcl114 claims
  4. Donepezil Hcl83 claims
  5. Mycophenolate Mofetil65 claims
  6. Pregabalin62 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: $2,146.24

120 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 169 providers of this specialty with any payment received $11,922.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Darine Kassar$2,146
  2. Specialty average$11,923

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

  1. Houston Methodist Specialty PhysiciansSugar Land, TX
  2. Tmh Physician Associates PLLCSugar Land, TX

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

Darine Kassar among 20 neuromuscular medicine (psychiatry & neurology) physician records in Texas

Darine Kassar, M.D. is one of 20 neuromuscular medicine (psychiatry & neurology) physician records with a practice address in Texas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 55% of them.

  • NPI issued2009 · 55% of these records are older, 40% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2006 · median 1999 among the 17 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0008X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neuromuscular Medicine (Psychiatry & Neurology) Physician providers in Texas

There are 20 neuromuscular medicine (psychiatry & neurology) physician records in Texas.

All 20 in Texas → Every provider in Sugar Land → Neuromuscular Medicine (Psychiatry & Neurology) Physician nationwide →

The 8 neuromuscular medicine (psychiatry & neurology) physician records with the nearest ZIP codes

  1. Ali Moussaoui, M.D.Houston, TX 770891114921905
  2. Ashley Anderson, M.D.Houston, TX 770301487034062
  3. Nicolaas Anderson, D.O.Houston, TX 770301720368152
  4. Suur Biliciler, MDHouston, TX 770301588819379
  5. Yadollah Harati, MDHouston, TX 770301205916566
  6. Sweta Komanduru, DOHouston, TX 770301134861081
  7. Anita Madan, M.D.Houston, TX 770301619288925
  8. Ratna Bhavaraju-Sanka, M.DSan Antonio, TX 782291679786651

Common questions

What is Darine Kassar, M.D.'s NPI number?

Darine Kassar, M.D.'s National Provider Identifier (NPI) is 1902035686, issued on Jul 2, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Darine Kassar, M.D. located?

The NPPES record lists a practice address at 16605 Southwest Fwy Ste 600, Sugar Land, TX, 77479. Phone: (713) 254-2421. Providers update this record themselves, so call before visiting.

How can I verify Darine Kassar, M.D.'s license?

NPPES lists Texas license number P8922, 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 Darine Kassar, M.D. prescribe under Medicare Part D?

In 2024, Darine Kassar, M.D. had 1,622 Medicare Part D claims for 285 beneficiaries; the average among neuromuscular medicine (psychiatry & neurology) physician prescribers was 827. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.