William G. Sharra III, MD
Dermatology Physician · Fontana, CA
William G. Sharra III, MD is a dermatology physician with a practice address in Fontana, California, and NPI 1376610246, issued on Nov 29, 2006. Check the license (California G75206, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William G. Sharra III
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G75206 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-3910
- Enumerated
- Nov 29, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William G. Sharra III in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G75206Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average dermatology physician in 2024
200 Medicare Part D claims for 113 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Triamcinolone Acetonide22 claims
- Hydrocortisone15 claims
- Metronidazole14 claims
- Tacrolimus14 claims
- Betamethasone Diprop Augmented13 claims
- Fluocinonide12 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: $16.00
1 payment: food and beverage; the largest payer was Leo Pharma Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William G. Sharra III among 2,083 dermatology physician records in California
William G. Sharra III, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Fontana → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Monika Curlin, MDFontana, CA 923351023189081
- Phillip Hsu, M.D.Fontana, CA 923351366400574
- Lewis Kramer, MDFontana, CA 923351255408266
- Linh Lu, MDFontana, CA 923351548316144
- Emily Tang, MDFontana, CA 923351598824153
- Walter Tjoa, MDFontana, CA 923351801955463
- Yun TongFontana, CA 923351700220902
- Zhi-Gang Wei, MDFontana, CA 923351831258417
Common questions
What is William G. Sharra III, MD's NPI number?
William G. Sharra III, MD's National Provider Identifier (NPI) is 1376610246, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William G. Sharra III, MD located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-3910. Providers update this record themselves, so call before visiting.
How can I verify William G. Sharra III, MD's license?
NPPES lists California license number G75206, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William G. Sharra III, MD prescribe under Medicare Part D?
In 2024, William G. Sharra III, MD had 200 Medicare Part D claims for 113 beneficiaries; the average among dermatology physician prescribers was 797. 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.