John Joseph Ribaudo, MD
Neurology Physician · Fremont, CA
John Joseph Ribaudo, MD is a neurology physician with a practice address in Fremont, California, and NPI 1598844649, issued on Nov 2, 2006. Check the license (California G57643, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Joseph Ribaudo
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- G57643 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39400 Paseo Padre Pkwy, Fremont, CA 94538
- Phone
- (510) 795-3000
- Enumerated
- Nov 2, 2006
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G576430 CA
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 39400 Paseo Padre Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Denise Agatep, LCSWCounselor1164584900
- Ujwala Agharkar, MDChild & Adolescent Psychiatry Physician1073685723
- Dolly Ahluwalia, RDRegistered Dietitian1659429157
- Tabassum Alam, MDHospitalist Physician1306921069
- Mary Alyono, MDAnesthesiology Physician1477631059
- Stephanie Aoki, PHDPsychologist1427721216
Verify John Joseph Ribaudo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average neurology physician in 2024
120 Medicare Part D claims for 59 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Carbidopa-Levodopa23 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.
John Joseph Ribaudo among 2,339 neurology physician records in California
John Joseph Ribaudo, MD is one of 2,339 neurology physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Fremont → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Alok Bhattacharya, M.D.Fremont, CA 945381528092996
- Nayan Desai, MDFremont, CA 945381710953773
- Jina Janavs, MDFremont, CA 945381063597722
- Joy Lin, MDFremont, CA 945381528593902
- Holly Maccallum, M.D.Fremont, CA 945381518225788
- Stephen Nnodim, MDFremont, CA 945381396199105
- Charan Singh, M.D.Fremont, CA 945381821046319
- Ravinder Kahlon, M.D.Fremont, CA 945361386741320
Common questions
What is John Joseph Ribaudo, MD's NPI number?
John Joseph Ribaudo, MD's National Provider Identifier (NPI) is 1598844649, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Joseph Ribaudo, MD located?
The NPPES record lists a practice address at 39400 Paseo Padre Pkwy, Fremont, CA, 94538. Phone: (510) 795-3000. Providers update this record themselves, so call before visiting.
How can I verify John Joseph Ribaudo, MD's license?
NPPES lists California license number G57643, 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 John Joseph Ribaudo, MD prescribe under Medicare Part D?
In 2024, John Joseph Ribaudo, MD had 120 Medicare Part D claims for 59 beneficiaries; the average among neurology physician prescribers was 1,370. 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.