Ramon Aguilera Grijalva, M.D.
Orthopaedic Surgery Physician · Riverside, CA
Ramon Aguilera Grijalva, M.D. is an orthopaedic surgery physician with a practice address in Riverside, California, and NPI 1023295292, issued on Jan 29, 2008. Check the license (California A105392, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ramon Aguilera Grijalva
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- A105392 CA
8315898-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 10800 Magnolia Ave, Riverside, CA 92505
- Phone
- (951) 353-4000
- Enumerated
- Jan 29, 2008
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140128002040); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 10800 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Abapo, MDPediatrics Physician1841348786
- Hussein Abdulrassoul, MDOrthopaedic Surgery Physician1972123891
- Kimberly Adams, PA-CMedical Physician Assistant1053522870
- Alfredo Aguiar, PAPhysician Assistant1043368970
- Michael Aguinaldo, M.D.Pediatrics Physician1851531487
- Maria Aguirre, MDPediatrics Physician1295806255
Verify Ramon Aguilera Grijalva in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
868 Medicare Part D claims for 318 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 188 claims were for opioids.
Most prescribed
- Meloxicam400 claims
- Amoxicillin122 claims
- Oxycodone Hcl118 claims
- Naproxen57 claims
- Ibuprofen38 claims
- Hydrocodone-Acetaminophen27 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
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramon Aguilera Grijalva among 2,276 orthopaedic surgery physician records in California
Ramon Aguilera Grijalva, M.D. 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 2008, is newer than 65% of them.
- NPI issued2008 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2003 among the 1,347 with a school on file
- Record last updated2021 · 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 Riverside → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Hussein Abdulrassoul, MDRiverside, CA 925051972123891
- Ronny Ghazal, MDRiverside, CA 925051477640001
- Albert Simpkins, M.D.Riverside, CA 925051619044971
- Stephen Zoller, M.D.Riverside, CA 925051831517408
- Jack Akmakjian, MDRiverside, CA 925041811992183
- Gene Choi, MDRiverside, CA 925061164699120
- Brent D'Arc, M.D.Riverside, CA 925061265520233
- Michael RoachRiverside, CA 925061326022815
Common questions
What is Ramon Aguilera Grijalva, M.D.'s NPI number?
Ramon Aguilera Grijalva, M.D.'s National Provider Identifier (NPI) is 1023295292, issued on Jan 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ramon Aguilera Grijalva, M.D. located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (951) 353-4000. Providers update this record themselves, so call before visiting.
How can I verify Ramon Aguilera Grijalva, M.D.'s license?
NPPES lists California license number A105392, 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 Ramon Aguilera Grijalva, M.D. prescribe under Medicare Part D?
In 2024, Ramon Aguilera Grijalva, M.D. had 868 Medicare Part D claims for 318 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.