Ghassan Said Tooma, MD
Orthopaedic Surgery Physician · Corona, CA
Ghassan Said Tooma, MD is an orthopaedic surgery physician with a practice address in Corona, California, and NPI 1629089073, issued on Aug 11, 2006. Check the license (California G64601, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ghassan Said Tooma
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G64601 CA
Self-reported in NPPES; status is on the state search - Practice location
- 341 Magnolia Ave, Corona, CA 92879
- Phone
- (951) 735-6060
- Enumerated
- Aug 11, 2006
- Record last updated
- Jan 16, 2022
- Fax
- (951) 735-4510
- Medicaid ID
- 00G646010 CA
- Medicare enrollment
- Enrolled (PECOS I20081112000168); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 341 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Baum, MDOrthopaedic Surgery Physician1205847654
- Ralph Gozun, DPTPhysical Therapist1508283664
- Michael HashemiPhysical Therapist1356772552
- Jamie Hess, N.P.Women's Health Nurse Practitioner1104196120
- Hillary Houseman, PA-CPhysician Assistant1952469371
- Neilvon LangasPhysical Therapist1174954366
Verify Ghassan Said Tooma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G64601Check 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% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
463 Medicare Part D claims for 209 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 158 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen55 claims
- Cephalexin51 claims
- Meloxicam47 claims
- Tramadol Hcl45 claims
- Hydrocodone-Acetaminophen44 claims
- Ibuprofen39 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): 75 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).
Bills Medicare through one group practice
- Corona Orthopaedic Associates Medical Group IncCorona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ghassan Said Tooma among 2,276 orthopaedic surgery physician records in California
Ghassan Said Tooma, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1987 · median 2003 among the 1,347 with a school on file
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Corona → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Bradley Baum, MDCorona, CA 928791205847654
- Vicente Bernabe, D.O.Corona, CA 928791164483699
- Mitchell Geiger, MDCorona, CA 928791235149675
- Nasser Heyrani, M.D.Corona, CA 928791730523945
- Jeff KimballCorona, CA 928791750814182
- John Locke, M.D.Corona, CA 928791467520189
- Mitchell McDowell, DOCorona, CA 928791063711976
- Paul Reiman, MDCorona, CA 928791578532545
Common questions
What is Ghassan Said Tooma, MD's NPI number?
Ghassan Said Tooma, MD's National Provider Identifier (NPI) is 1629089073, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ghassan Said Tooma, MD located?
The NPPES record lists a practice address at 341 Magnolia Ave, Corona, CA, 92879. Phone: (951) 735-6060. Providers update this record themselves, so call before visiting.
How can I verify Ghassan Said Tooma, MD's license?
NPPES lists California license number G64601, 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 Ghassan Said Tooma, MD prescribe under Medicare Part D?
In 2024, Ghassan Said Tooma, MD had 463 Medicare Part D claims for 209 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Ghassan Said Tooma, MD's MIPS final score?
The 2023 MIPS final score is 75 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.