Ronna Simin Parsa, D.O.
Orthopaedic Surgery Physician · Redondo Beach, CA
Ronna Simin Parsa, D.O. is an orthopaedic surgery physician with a practice address in Redondo Beach, California, and NPI 1205133279, issued on Feb 27, 2011. Check the license (California 20A15524, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronna Simin Parsa
- Credential
- D.O.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 20A15524 CA
OS13769 FL
Self-reported in NPPES; status is on the state search - Practice location
- 510 N Prospect Ave Ste 105, Redondo Beach, CA 90277
- Phone
- (310) 372-4646
- Enumerated
- Feb 27, 2011
- Record last updated
- Jul 21, 2022
- Fax
- (310) 798-4667
- Medicaid ID
- 187776 AL
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 510 N Prospect Ave Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Albert Reff, M.D.Specialist1871615823
Verify Ronna Simin Parsa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
35 Medicare Part D claims for 18 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.
Most prescribed
- Celecoxib11 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: $1,429.12
14 payments; by number, the most common kind was food and beverage; the largest payer was Saxum Surgical, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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.
Ronna Simin Parsa among 2,276 orthopaedic surgery physician records in California
Ronna Simin Parsa, D.O. 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 fileNo · 59% of these records are
- 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 Redondo Beach → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- William Hohl, M.D.Manhattan Beach, CA 902771861476855
- Michael Shlens, MDPalos Verdes Estates, CA 902741356734289
- Jack Purdy, MDPacific Palisades, CA 902721801872155
- Andrew Foster, MDManhattan Beach, CA 902661649566167
- William Mealer, M.D.Manhattan Beach, CA 902661427115088
- Nicholas Bernthal, M.D.Venice, CA 902911902068356
- Andrzej Bulczynski, MEDICAL DOCTORMarina Del Rey, CA 902921932258704
- Jeffrey Colbert, M.D.Marina Del Rey, CA 902921487656286
Common questions
What is Ronna Simin Parsa, D.O.'s NPI number?
Ronna Simin Parsa, D.O.'s National Provider Identifier (NPI) is 1205133279, issued on Feb 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ronna Simin Parsa, D.O. located?
The NPPES record lists a practice address at 510 N Prospect Ave Ste 105, Redondo Beach, CA, 90277. Phone: (310) 372-4646. Providers update this record themselves, so call before visiting.
How can I verify Ronna Simin Parsa, D.O.'s license?
NPPES lists California license number 20A15524, 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 Ronna Simin Parsa, D.O. prescribe under Medicare Part D?
In 2024, Ronna Simin Parsa, D.O. had 35 Medicare Part D claims for 18 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.