NPPES file of Aug 9, 2026

Sharafali Y. Diwan, M.D.

Infectious Disease Physician · Houston, TX

Sharafali Y. Diwan, M.D. is an infectious disease physician with a practice address in Houston, Texas, and NPI 1114927290, issued on Jul 29, 2005. Check the license (Texas J6920, 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
1114927290
Name
Sharafali Y. Diwan
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
J6920 TX
Self-reported in NPPES; status is on the state search
Practice location
18220 Tomball Pkwy, Houston, TX 77070
Phone
(832) 604-0005
Enumerated
Jul 29, 2005
Record last updated
Jul 13, 2026
Fax
(832) 604-0103
Medicare enrollment
Enrolled (PECOS I20110531000677); accepts Medicare assignment
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 18220 Tomball Pkwy

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

  1. Omobolanle Adeyekun, MDHospitalist Physician1649421934
  2. Sarah Al-Shwaf, RDRegistered Dietitian1316556756
  3. Anne Alaniz, D.O.Gynecologic Oncology Physician1942239652
  4. Hazel Awalt, M.D.Anatomic Pathology & Clinical Pathology Physician1477557833
  5. Stephanie Baker, FNP-CFamily Nurse Practitioner1861859191
  6. Robert Buechler, MDOtolaryngology Physician1770566275

Verify Sharafali Y. Diwan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J6920    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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1% fewer Medicare Part D claims than the average infectious disease physician in 2024

685 Medicare Part D claims for 131 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Sharafali Diwan685
  2. Specialty average689

Most prescribed

  1. Biktarvy252 claims
  2. Dovato37 claims
  3. Daptomycin28 claims
  4. Doxycycline Hyclate28 claims
  5. Sulfamethoxazole-Trimethoprim18 claims
  6. Gabapentin17 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: $1,078.65

53 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sharafali Diwan$1,078.65
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Infectious Disease Physician providers in Texas

There are 674 infectious disease physician records in Texas.

All 674 in Texas → Every provider in Houston →

Other infectious disease physician records in Texas

  1. Jordan Abel, M.D.San Antonio, TX1417273301
  2. Oladapo Abodunde, M.D.McKinney, TX1265753677
  3. Leny Abraham, MDDallas, TX1114314283
  4. Ahmed Abubaker, MDDallas, TX1134548407
  5. Ashish Acharya, M.D.Grapevine, TX1215987359
  6. James Acuff, MDHouston, TX1174105100
  7. Javier Adachi, M.D.Houston, TX1366542375
  8. Srivalli Adari, M.D.Plano, TX1336341619
  9. Max Adelman, MD, MSHouston, TX1487035804
  10. Hussain Ahmad, M.D.Houston, TX1841337128

Common questions

What is Sharafali Y. Diwan, M.D.'s NPI number?

Sharafali Y. Diwan, M.D.'s National Provider Identifier (NPI) is 1114927290, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sharafali Y. Diwan, M.D. located?

The NPPES record lists a practice address at 18220 Tomball Pkwy, Houston, TX, 77070. Phone: (832) 604-0005. Providers update this record themselves, so call before visiting.

How can I verify Sharafali Y. Diwan, M.D.'s license?

NPPES lists Texas license number J6920, 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 Sharafali Y. Diwan, M.D. prescribe under Medicare Part D?

In 2024, Sharafali Y. Diwan, M.D. had 685 Medicare Part D claims for 131 beneficiaries; the average among infectious disease physician prescribers was 689. 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.