Gregory P. Botta, M.D./PH.D.
Hematology & Oncology Physician · La Jolla, CA
Gregory P. Botta, M.D./PH.D. is a hematology & oncology physician with a practice address in La Jolla, California, and NPI 1881006955, issued on May 23, 2014. Check the license (California A140495, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory P. Botta
- Credential
- M.D./PH.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A140495 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10666 N Torrey Pines RD, La Jolla, CA 92037
- Phone
- (858) 554-3200
- Enumerated
- May 23, 2014
- Record last updated
- Nov 12, 2025
- Fax
- (858) 554-3232
- Medicare enrollment
- Enrolled (PECOS I20161010000666); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 10666 N Torrey Pines RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Edsel Abud, MD, PHDAllergy & Immunology Physician1891257192
- Christina Adams, MDCardiovascular Disease Physician1023164605
- Dylan Adamson, M.D.Transplant Surgery Physician1598030702
Verify Gregory P. Botta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
575 Medicare Part D claims for 89 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate53 claims
- Ondansetron Hcl43 claims
- Creon28 claims
- Lorazepam20 claims
- Olanzapine20 claims
- Levothyroxine Sodium18 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory P. Botta among 1,583 hematology & oncology physician records in California
Gregory P. Botta, M.D./PH.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 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2014 · median 2003 among the 1,124 with a school on file
- Record last updated2025 · 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).
46 hematology & oncology physician records list a practice address in La Jolla
They are 46 of the 3,648 NPPES records with a practice address in La Jolla, and 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in La Jolla → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Oyewale Abidoye, M.D.La Jolla, CA 920371790841815
- Sonia Ali, M.D.La Jolla, CA 920371730451089
- Jeffrey Andrey, M.D.La Jolla, CA 920371700851482
- Robert BrouillardLa Jolla, CA 920371487626420
- Richard Burt, MDLa Jolla, CA 920371225090319
- Michael Kosty, M.D.La Jolla, CA 920371801857099
- Divya Koura, M.D.La Jolla, CA 920371053471318
- Joan Kroener, M.D.La Jolla, CA 920371720067150
Common questions
What is Gregory P. Botta, M.D./PH.D.'s NPI number?
Gregory P. Botta, M.D./PH.D.'s National Provider Identifier (NPI) is 1881006955, issued on May 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gregory P. Botta, M.D./PH.D. located?
The NPPES record lists a practice address at 10666 N Torrey Pines RD, La Jolla, CA, 92037. Phone: (858) 554-3200. Providers update this record themselves, so call before visiting.
How can I verify Gregory P. Botta, M.D./PH.D.'s license?
NPPES lists California license number A140495, 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 Gregory P. Botta, M.D./PH.D. prescribe under Medicare Part D?
In 2024, Gregory P. Botta, M.D./PH.D. had 575 Medicare Part D claims for 89 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.