Janet W. Del Rosario, MD
Physical Medicine & Rehabilitation Physician · Pasadena, CA
Janet W. Del Rosario, MD is a physical medicine & rehabilitation physician with a practice address in Pasadena, California, and NPI 1629457791, issued on May 22, 2015. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Janet W. Del Rosario
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- MD228095 OR
Self-reported in NPPES; status is on the state search - Practice location
- PO Box 31001-4180, Pasadena, CA 91110
- Phone
- (541) 732-8360
- Enumerated
- May 22, 2015
- Record last updated
- Jan 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20191118002684); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Verify Janet W. Del Rosario 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
57% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
312 Medicare Part D claims for 56 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Baclofen141 claims
- Botox39 claims
- Gabapentin28 claims
- Tizanidine Hcl25 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 MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Baylor College OF MedicineHouston, TX
- Providence Health And Services OregonMedford, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Janet W. Del Rosario among 1,549 physical medicine & rehabilitation physician records in California
Janet W. Del Rosario, 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2014 · median 2008 among the 786 with a school on file
- Record last updated2026 · 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 Pasadena → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Lysander Jim, M.D.Pasadena, CA 911071457642795
- Kwasi Nkansa, OTR/LPasadena, CA 911071801412002
- Maureen Tyson, M.D.Pasadena, CA 911071902065642
- Akash Bhakta, D.O.Pasadena, CA 911051639525074
- Sunil Hegde, M.D.Pasadena, CA 911051003811340
- Steven Hsu, M.D.Pasadena, CA 911051144547696
- Jonathan Layne, MDPasadena, CA 911051942940333
- Mary Mioux Berry, DOPasadena, CA 911051023014750
Common questions
What is Janet W. Del Rosario, MD's NPI number?
Janet W. Del Rosario, MD's National Provider Identifier (NPI) is 1629457791, issued on May 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Janet W. Del Rosario, MD located?
The NPPES record lists a practice address at PO Box 31001-4180, Pasadena, CA, 91110. Phone: (541) 732-8360. Providers update this record themselves, so call before visiting.
How can I verify Janet W. Del Rosario, 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 Janet W. Del Rosario, MD prescribe under Medicare Part D?
In 2024, Janet W. Del Rosario, MD had 312 Medicare Part D claims for 56 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Janet W. Del Rosario, MD's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. 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.