NPPES file of Aug 9, 2026

S William Pierce, MD

Family Medicine Physician · Henderson, NV

S William Pierce, MD is a family medicine physician with a practice address in Henderson, Nevada, and NPI 1265438592, issued on Jun 22, 2005. Check the license (Nevada 09009, as entered in NPPES) on the Nevada State Board of Medical Examiners; 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
1265438592
Name
S William Pierce
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
09009 NV
Self-reported in NPPES; status is on the state search
Practice location
2451 W Horizon Ridge Pkwy Ste 110, Henderson, NV 89052
Phone
(702) 648-9998
Enumerated
Jun 22, 2005
Record last updated
Jul 9, 2026
Fax
(702) 648-9991
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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Verify S William Pierce in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 09009
    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 Nevada license search

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74% fewer Medicare Part D claims than the average family medicine physician in 2024

934 Medicare Part D claims for 56 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 39 claims were for opioids.

  1. S Pierce934
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium40 claims
  2. Azithromycin28 claims
  3. Lorazepam28 claims
  4. Trazodone Hcl23 claims
  5. Gabapentin21 claims
  6. Levothyroxine Sodium21 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.

S William Pierce among 1,243 family medicine physician records in Nevada

S William Pierce, MD is one of 1,243 family medicine physician records with a practice address in Nevada. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2026 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

167 family medicine physician records list a practice address in Henderson

They are 167 of the 7,490 NPPES records with a practice address in Henderson, and 1,243 family medicine physician records in Nevada.

The 8 family medicine physician records with the nearest ZIP codes

  1. Chang-Hoon Ahn, D.O.Henderson, NV 890521558350827
  2. Jenny Chia, MDHenderson, NV 890521871564435
  3. Young Cho, MDHenderson, NV 890521275503914
  4. Glenn Felix Diaz, M.D.Henderson, NV 890521487695466
  5. Claudia Foster-Olson, M.D.Henderson, NV 890521528014636
  6. Michael Gorman, D.O.Henderson, NV 890521356342364
  7. Sean Gupton, MDHenderson, NV 890521396796504
  8. Lisa Haworth, MDHenderson, NV 890521346225976

Common questions

What is S William Pierce, MD's NPI number?

S William Pierce, MD's National Provider Identifier (NPI) is 1265438592, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is S William Pierce, MD located?

The NPPES record lists a practice address at 2451 W Horizon Ridge Pkwy Ste 110, Henderson, NV, 89052. Phone: (702) 648-9998. Providers update this record themselves, so call before visiting.

How can I verify S William Pierce, MD's license?

NPPES lists Nevada license number 09009, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does S William Pierce, MD prescribe under Medicare Part D?

In 2024, S William Pierce, MD had 934 Medicare Part D claims for 56 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.