NPPES file of Aug 9, 2026

Nicholas Stavros Shaffer, MD

Sleep Medicine (Psychiatry & Neurology) Physician · Houston, TX

Nicholas Stavros Shaffer, MD is a sleep medicine (psychiatry & neurology) physician with a practice address in Houston, Texas, and NPI 1396324240, issued on Apr 7, 2021. Check the license (Texas U8587, 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
1396324240
Name
Nicholas Stavros Shaffer
Credential
MD
Primary taxonomy
Sleep Medicine (Psychiatry & Neurology) Physician 2084S0012X
License number
U8587 TX
Self-reported in NPPES; status is on the state search
Practice location
7200 Cambridge Street, Houston, TX 77030
Phone
(713) 798-6907
Enumerated
Apr 7, 2021
Record last updated
Jul 28, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7200 Cambridge Street

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

  1. Charu AgrawalHospice and Palliative Medicine (Internal Medicine) Physician1306280342
  2. Medha Airy, MBBSNephrology Physician1720256852
  3. Amir Ali, MDEmergency Medicine Physician1225693963
  4. Wadah AmeenHospitalist Physician1275988131
  5. Sahar Arif, M.D.Hospitalist Physician1992099287
  6. Anthony Balzer, MDDiagnostic Radiology Physician1588075360

Verify Nicholas Stavros Shaffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U8587
    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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85% fewer Medicare Part D claims than the average sleep medicine (psychiatry & neurology) physician in 2024

96 Medicare Part D claims, against an average of 655 among the 377 providers of this specialty who prescribed in Part D.

  1. Nicholas Shaffer96
  2. Specialty average655

Most prescribed

  1. Aripiprazole17 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: $369.27

3 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 278 providers of this specialty with any payment received $5,572.43 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nicholas Shaffer$369.27
  2. Specialty average$5,572.43

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

Nicholas Stavros Shaffer among 32 sleep medicine (psychiatry & neurology) physician records in Texas

Nicholas Stavros Shaffer, MD is one of 32 sleep medicine (psychiatry & neurology) physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.

  • NPI issued2021 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2026 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084S0012X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Psychiatry & Neurology) Physician providers in Texas

There are 32 sleep medicine (psychiatry & neurology) physician records in Texas.

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

  1. Jerald Simmons, MDHouston, TX 770301417045329
  2. Amit Verma, MDHouston, TX 770301619958873
  3. Aparajitha Verma, M.DHouston, TX 770301750592408
  4. Annise Wilson, MDHouston, TX 770301184966525
  5. Kristi Posey, M.D.Houston, TX 770271013913177
  6. Christine EarlsHouston, TX 770351598560377
  7. Leon Rosenthal, M.D.Houston, TX 770041285637827
  8. Michael Abene, M.D.Houston, TX 770631164403218

Common questions

What is Nicholas Stavros Shaffer, MD's NPI number?

Nicholas Stavros Shaffer, MD's National Provider Identifier (NPI) is 1396324240, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Stavros Shaffer, MD located?

The NPPES record lists a practice address at 7200 Cambridge Street, Houston, TX, 77030. Phone: (713) 798-6907. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Stavros Shaffer, MD's license?

NPPES lists Texas license number U8587, 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 Nicholas Stavros Shaffer, MD prescribe under Medicare Part D?

In 2024, Nicholas Stavros Shaffer, MD had 96 Medicare Part D claims; the average among sleep medicine (psychiatry & neurology) physician prescribers was 655. 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.