Robert John Hubbard, M.D.
Cytopathology Physician · San Bernardino, CA
Robert John Hubbard, M.D. is a cytopathology physician with a practice address in San Bernardino, California, and NPI 1508840786, issued on Dec 1, 2005. Check the license (California G48779, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert John Hubbard
- Credential
- M.D.
- Primary taxonomy
- Cytopathology Physician 207ZC0500X
- License number
- G48779 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1805 Medical Center Dr, San Bernardino, CA 92411
- Phone
- (909) 806-1433
- Enumerated
- Dec 1, 2005
- Record last updated
- Sep 11, 2025
- Fax
- (909) 806-1051
- Medicaid ID
- 00G487790 CA
- Entity
- Type 1 · individual
8 nearest cytopathology physician records → All 75 in California → Look up another NPI →
Also registered at 1805 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jillian Allard, PA-CPhysician Assistant1134470446
- Debbie Bervel, MDEmergency Medicine Physician1932113107
- Janet ChangPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1811668817
- Michelle Fischer, RDRegistered Dietitian1750875266
- Megan Hall, MPH, RDRegistered Dietitian1518795905
- Nancy Hoang, PHARMD,Pharmacist1174751333
Verify Robert John Hubbard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average cytopathology physician in 2024
12 Medicare Part D claims, against an average of 211 among the 12 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Robert John Hubbard among 75 cytopathology physician records in California
Robert John Hubbard, M.D. is one of 75 cytopathology physician records with a practice address in California. 52% 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, 84% newer
- In a Medicare fileYes · 52% of these records are
- In the CMS Doctors and Clinicians fileNo · 37% of these records are
- Record last updated2025 · 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 207ZC0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cytopathology Physician providers in California
There are 75 cytopathology physician records in California.
All 75 in California → Every provider in San Bernardino → Cytopathology Physician nationwide →
The 8 cytopathology physician records with the nearest ZIP codes
- Wilson Chick, M.D.Loma Linda, CA 923541104849090
- Darryl Heustis, M.D.Loma Linda, CA 923541841210382
- Carolyn Leach, M.D.Colton, CA 923241679650261
- Adele Hieshima, M.D.Irvine, CA 926181215158068
- Thomas Cooper, MDWestminster, CA 926831275594913
- Sepi Mahooti, M.D.San Diego, CA 921291245446228
- Maher Badir, M.D.Ladera Ranch, CA 926941295947786
- Kimberly Schlack, MDSan Diego, CA 921231225090798
Common questions
What is Robert John Hubbard, M.D.'s NPI number?
Robert John Hubbard, M.D.'s National Provider Identifier (NPI) is 1508840786, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert John Hubbard, M.D. located?
The NPPES record lists a practice address at 1805 Medical Center Dr, San Bernardino, CA, 92411. Phone: (909) 806-1433. Providers update this record themselves, so call before visiting.
How can I verify Robert John Hubbard, M.D.'s license?
NPPES lists California license number G48779, 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 Robert John Hubbard, M.D. prescribe under Medicare Part D?
In 2024, Robert John Hubbard, M.D. had 12 Medicare Part D claims; the average among cytopathology physician prescribers was 211. 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.