Robert Leon Robles, M.D.
Hematology & Oncology Physician · Pleasant Hill, CA
Robert Leon Robles, M.D. is a hematology & oncology physician with a practice address in Pleasant Hill, California, and NPI 1518963958, issued on Jun 21, 2005. Check the license (California G64631, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Leon Robles
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G64631 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 Taylor Blvd, Pleasant Hill, CA 94523
- Phone
- (925) 677-5041
- Enumerated
- Jun 21, 2005
- Record last updated
- Aug 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (925) 677-5025
- Medicaid ID
- GR0089560 CA
- Medicare enrollment
- Enrolled (PECOS I20090804000335); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1986
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 400 Taylor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Candida Brown, M.D.Specialist1649375445
- David Buffum, R.N., N.P.Gerontology Nurse Practitioner1295043859
- Esther Catalya, M.D.Hematology & Oncology Physician1629184148
- Miguel Cerejo, D.O.Hematology & Oncology Physician1447236344
- Gigi Chen, M.D.Hematology & Oncology Physician1821073636
- Rujul Desai, MDNeurology with Special Qualifications in Child Neurology Physician1255727871
Verify Robert Leon Robles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G64631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
686 Medicare Part D claims for 167 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims. 27 claims were for opioids.
Most prescribed
- Eliquis77 claims
- Warfarin Sodium42 claims
- Acyclovir35 claims
- Xarelto33 claims
- Ondansetron Hcl30 claims
- Brukinsa22 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 practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $560.74
23 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Robert Leon Robles among 1,583 hematology & oncology physician records in California
Robert Leon Robles, M.D. is one of 1,583 hematology & oncology 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1986 · median 2003 among the 1,124 with a school on file
- 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 hematology & oncology physician records list a practice address in Pleasant Hill
They are 11 of the 843 NPPES records with a practice address in Pleasant Hill, and 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Pleasant Hill → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Leann Blankenship, M.D.Pleasant Hill, CA 945231659634772
- Esther Catalya, M.D.Pleasant Hill, CA 945231629184148
- Miguel Cerejo, D.O.Pleasant Hill, CA 945231447236344
- Gigi Chen, M.D.Pleasant Hill, CA 945231821073636
- Shoba Kankipati, M.D.Pleasant Hill, CA 945231356392781
- Yelena Krupitskaya, M.D.Pleasant Hill, CA 945231750565529
- Donna Saba, FNPPleasant Hill, CA 945231467655639
- Matthew Sirott, M.D.Pleasant Hill, CA 945231023014461
Common questions
What is Robert Leon Robles, M.D.'s NPI number?
Robert Leon Robles, M.D.'s National Provider Identifier (NPI) is 1518963958, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Leon Robles, M.D. located?
The NPPES record lists a practice address at 400 Taylor Blvd, Pleasant Hill, CA, 94523. Phone: (925) 677-5041. Providers update this record themselves, so call before visiting.
How can I verify Robert Leon Robles, M.D.'s license?
NPPES lists California license number G64631, 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 Leon Robles, M.D. prescribe under Medicare Part D?
In 2024, Robert Leon Robles, M.D. had 686 Medicare Part D claims for 167 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Robert Leon Robles, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.7 of 100, reported for the practice group. 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.