Wendy Cristina Perdomo Pena, M.D.
Rheumatology Physician · Mountain View, CA
Wendy Cristina Perdomo Pena, M.D. is a rheumatology physician with a practice address in Mountain View, California, and NPI 1659934412, issued on Apr 17, 2019. Check the license (California A201213, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wendy Cristina Perdomo Pena
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- A201213 CA
72296 CT
MT229747 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2495 Hospital Dr Ste 450, Mountain View, CA 94040
- Phone
- (408) 871-3400
- Enumerated
- Apr 17, 2019
- Record last updated
- Oct 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20250923000566); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 2495 Hospital Dr Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia Yeh, M.D.Internal Medicine Physician1194921668
Verify Wendy Cristina Perdomo Pena in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A201213Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average rheumatology physician in 2024
350 Medicare Part D claims for 94 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Prednisone56 claims
- Hydroxychloroquine Sulfate37 claims
- Methotrexate25 claims
- Diclofenac Sodium20 claims
- Actemra Actpen19 claims
- Mycophenolate Mofetil19 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): 94.2 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 one group practice
- EL Camino Health Medical Network LLCMountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Cristina Perdomo Pena among 926 rheumatology physician records in California
Wendy Cristina Perdomo Pena, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 93% of them.
- NPI issued2019 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2003 among the 641 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Mountain View → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Jeffrey Brown, MDMountain View, CA 940401750477758
- Daniel Jo, M.D.Mountain View, CA 940401508150590
- Jennifer Johnson, M.D.Mountain View, CA 940401043582109
- Lakshmi Myneni, MDMountain View, CA 940401316028533
- Richard SetoMountain View, CA 940401720529167
- Ranjana Sood, M.D.Mountain View, CA 940401548325335
- Ying Wu, MDMountain View, CA 940401225329303
- Vibeke Strand, M.D.Portola Valley, CA 940281194882753
Common questions
What is Wendy Cristina Perdomo Pena, M.D.'s NPI number?
Wendy Cristina Perdomo Pena, M.D.'s National Provider Identifier (NPI) is 1659934412, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Cristina Perdomo Pena, M.D. located?
The NPPES record lists a practice address at 2495 Hospital Dr Ste 450, Mountain View, CA, 94040. Phone: (408) 871-3400. Providers update this record themselves, so call before visiting.
How can I verify Wendy Cristina Perdomo Pena, M.D.'s license?
NPPES lists California license number A201213, 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 Wendy Cristina Perdomo Pena, M.D. prescribe under Medicare Part D?
In 2024, Wendy Cristina Perdomo Pena, M.D. had 350 Medicare Part D claims for 94 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Wendy Cristina Perdomo Pena, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.