Ronald Frank Rosso, M.D.
Specialist · Torrance, CA
Ronald Frank Rosso, M.D. is a specialist with a practice address in Torrance, California, and NPI 1215023411, issued on Oct 5, 2006. Check the license (California G79401, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Frank Rosso
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G79401 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Lomita Blvd, Torrance, CA 90505
- Phone
- (310) 326-3636
- Enumerated
- Oct 5, 2006
- Record last updated
- Nov 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (310) 326-6448
- Medicare enrollment
- Enrolled (PECOS I20070626000272); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3400 Lomita Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald Frank Rosso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G79401Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average specialist in 2024
368 Medicare Part D claims for 184 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 88 claims were for opioids.
Most prescribed
- Cephalexin175 claims
- Tramadol Hcl76 claims
- Ciprofloxacin Hcl46 claims
- Ssd14 claims
- Hydrocodone-Acetaminophen12 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.
Industry payments in 2024: $1,270.89
19 payments; by number, the most common kind was food and beverage; the largest payer was Becton, Dickinson and Company. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Ronald Frank Rosso among 5,749 specialist records in California
Ronald Frank Rosso, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1992 · median 1989 among the 1,075 with a school on file
- Record last updated2015 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Torrance → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michael Arnstein, M.D.Torrance, CA 905051821000100
- James Black, M.D.Torrance, CA 905051821000191
- Peter Borden, MDTorrance, CA 905051972527380
- John Boyd, M.D.Torrance, CA 905051083626238
- Roger Dumke, M.D.Torrance, CA 905051437263134
- Claude Friedmann, M.D.Torrance, CA 905051558325621
- David Kim, M.D.Torrance, CA 905051700992534
- Timothy McGillivray, M.D.Torrance, CA 905051497869853
Common questions
What is Ronald Frank Rosso, M.D.'s NPI number?
Ronald Frank Rosso, M.D.'s National Provider Identifier (NPI) is 1215023411, issued on Oct 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Frank Rosso, M.D. located?
The NPPES record lists a practice address at 3400 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 326-3636. Providers update this record themselves, so call before visiting.
How can I verify Ronald Frank Rosso, M.D.'s license?
NPPES lists California license number G79401, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald Frank Rosso, M.D. prescribe under Medicare Part D?
In 2024, Ronald Frank Rosso, M.D. had 368 Medicare Part D claims for 184 beneficiaries; the average among specialist prescribers was 1,380. 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.