Ronald B. Crater, M.D.
Orthopaedic Surgery Physician · Temescal Valley, CA
Ronald B. Crater, M.D. is an orthopaedic surgery physician with a practice address in Temescal Valley, California, and NPI 1801172291, issued on Oct 29, 2011. Check the license (California A118398, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald B. Crater
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A118398 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21634 Retreat Pkwy, Temescal Valley, CA 92883
- Phone
- (951) 493-6918
- Enumerated
- Oct 29, 2011
- Record last updated
- Apr 11, 2025
- Fax
- (951) 826-8136
- Medicare enrollment
- Enrolled (PECOS I20111121000555); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 21634 Retreat Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katrina Stinson, M.D.Obstetrics & Gynecology Physician1881957686
Verify Ronald B. Crater in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A118398Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
180 Medicare Part D claims for 85 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 59 claims were for opioids.
Most prescribed
- Gabapentin38 claims
- Hydrocodone-Acetaminophen36 claims
- Diclofenac Sodium35 claims
- Cefadroxil18 claims
- Tramadol Hcl18 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
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald B. Crater among 2,276 orthopaedic surgery physician records in California
Ronald B. Crater, 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 2011, is newer than 75% of them.
- NPI issued2011 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2010 · median 2003 among the 1,347 with a school on file
- Record last updated2025 · 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 → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Michael Mai, MDCorona, CA 928831124025598
- Joseph Mayo, MDYorba Linda, CA 928861366522476
- Martin Stauber, M.D.Yorba Linda, CA 928861689742181
- 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
Common questions
What is Ronald B. Crater, M.D.'s NPI number?
Ronald B. Crater, M.D.'s National Provider Identifier (NPI) is 1801172291, issued on Oct 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ronald B. Crater, M.D. located?
The NPPES record lists a practice address at 21634 Retreat Pkwy, Temescal Valley, CA, 92883. Phone: (951) 493-6918. Providers update this record themselves, so call before visiting.
How can I verify Ronald B. Crater, M.D.'s license?
NPPES lists California license number A118398, 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 Ronald B. Crater, M.D. prescribe under Medicare Part D?
In 2024, Ronald B. Crater, M.D. had 180 Medicare Part D claims for 85 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.