William Edward Gilli, M.D.
Internal Medicine Physician · Bakersfield, CA
William Edward Gilli, M.D. is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1447257100, issued on Jul 7, 2005. Check the license (California G53033, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Edward Gilli
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G53033 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8327 Brimhall RD, Bakersfield, CA 93312
- Phone
- (661) 617-6750
- Enumerated
- Jul 7, 2005
- Record last updated
- Oct 31, 2024
- Fax
- (661) 617-6760
- Medicaid ID
- GR0057501 CA
- Medicare enrollment
- Enrolled (PECOS I20071019000596); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8327 Brimhall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tracy Simonsen, NPFamily Nurse Practitioner1023195005
- Jeri Williams, M.D.Neurology Physician1285825455
Verify William Edward Gilli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53033Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,965 Medicare Part D claims for 698 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 276 claims were for opioids.
Most prescribed
- Atorvastatin Calcium610 claims
- Levothyroxine Sodium459 claims
- Rosuvastatin Calcium446 claims
- Amlodipine Besylate424 claims
- Losartan Potassium372 claims
- Lisinopril245 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.
The MIPS final score for 2023 (Medicare payment program): 21.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,173.77
57 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Mesa West Medical IncBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Edward Gilli among 17,696 internal medicine physician records in California
William Edward Gilli, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1983 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Bakersfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vahid Berdjis, MDBakersfield, CA 933121245443175
- Manick Bhardwaj, M.D.Bakersfield, CA 933121225065667
- Fernando Bravo, M.D.Bakersfield, CA 933121245262104
- Sarah Dowda, NPBakersfield, CA 933121003514324
- Lucy Dumalag, M.D.Bakersfield, CA 933121083808547
- David Gines, M.D.Bakersfield, CA 933121275727893
- Myat Mon, MDBakersfield, CA 933121285839365
- Ismail Patel, M.D.Bakersfield, CA 933121982891719
Common questions
What is William Edward Gilli, M.D.'s NPI number?
William Edward Gilli, M.D.'s National Provider Identifier (NPI) is 1447257100, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Edward Gilli, M.D. located?
The NPPES record lists a practice address at 8327 Brimhall RD, Bakersfield, CA, 93312. Phone: (661) 617-6750. Providers update this record themselves, so call before visiting.
How can I verify William Edward Gilli, M.D.'s license?
NPPES lists California license number G53033, 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 Edward Gilli, M.D. prescribe under Medicare Part D?
In 2024, William Edward Gilli, M.D. had 9,965 Medicare Part D claims for 698 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Edward Gilli, M.D.'s MIPS final score?
The 2023 MIPS final score is 21.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.