Ziba Ranjbaran, MD
Physical Medicine & Rehabilitation Physician · Mission Viejo, CA
Ziba Ranjbaran, MD is a physical medicine & rehabilitation physician with a practice address in Mission Viejo, California, and NPI 1952557951, issued on Aug 11, 2008. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ziba Ranjbaran
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 036121228 IL
Self-reported in NPPES; status is on the state search - Practice location
- 23512 Madero, Mission Viejo, CA 92691
- Phone
- (949) 583-1600
- Enumerated
- Aug 11, 2008
- Record last updated
- Jul 5, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (949) 454-8067
- Medicare enrollment
- Enrolled (PECOS I20091118000624); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 23512 Madero
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Scott Lee, MDFamily Medicine Physician1417948621
Verify Ziba Ranjbaran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
237 Medicare Part D claims for 60 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 86 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen58 claims
- Tizanidine Hcl36 claims
- Duloxetine Hcl31 claims
- Gabapentin27 claims
- Oxycodone-Acetaminophen15 claims
- Cyclobenzaprine Hcl12 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): 76.7 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
- Memorialcare Medical FoundationMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ziba Ranjbaran among 1,549 physical medicine & rehabilitation physician records in California
Ziba Ranjbaran, MD is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% 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 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1989 · median 2008 among the 786 with a school on file
- Record last updated2011 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Mission Viejo → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- James Cushing, M.D., P.C.Mission Viejo, CA 926911184617060
- Edmund Evangelista, MDMission Viejo, CA 926911144287434
- Tiva Hanjan, M.D.Mission Viejo, CA 926911689729253
- Kevin Kapka, DPTMission Viejo, CA 926911508374893
- Bonnie Kim, MDMission Viejo, CA 926911932260429
- Frank King, MDMission Viejo, CA 926911447218052
- Marcelle Paja, PTMission Viejo, CA 926911619957131
- Jamie Nelson, DPTRancho Santa Margarita, CA 926881427474634
Common questions
What is Ziba Ranjbaran, MD's NPI number?
Ziba Ranjbaran, MD's National Provider Identifier (NPI) is 1952557951, issued on Aug 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ziba Ranjbaran, MD located?
The NPPES record lists a practice address at 23512 Madero, Mission Viejo, CA, 92691. Phone: (949) 583-1600. Providers update this record themselves, so call before visiting.
How can I verify Ziba Ranjbaran, MD's license?
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 Ziba Ranjbaran, MD prescribe under Medicare Part D?
In 2024, Ziba Ranjbaran, MD had 237 Medicare Part D claims for 60 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Ziba Ranjbaran, MD's MIPS final score?
The 2023 MIPS final score is 76.7 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.