Wendy-Ann L. Sylvester, M.D.
Family Medicine Physician · Camarillo, CA
Wendy-Ann L. Sylvester, M.D. is a family medicine physician with a practice address in Camarillo, California, and NPI 1578504148, issued on Jun 8, 2006. Check the license (California C54331, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wendy-Ann L. Sylvester
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C54331 CA
35-087204 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2275 Las Posas RD, Camarillo, CA 93010
- Phone
- (805) 388-3732
- Enumerated
- Jun 8, 2006
- Record last updated
- Nov 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 987-2904
- Medicaid ID
- 02583122 NY
- Medicare enrollment
- Enrolled (PECOS I20171031001422); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 2000
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2275 Las Posas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raphael Argueta, M.D.Family Medicine Physician1174744072
- Ray Jason Fajardo, MS, PA-CPhysician Assistant1255668570
- Mary NolascoNurse Practitioner1902792245
Verify Wendy-Ann L. Sylvester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C54331Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
57 Medicare Part D claims for 50 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro13 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): 97.1 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).
Industry payments in 2024: $24.52
1 payment: food and beverage; the largest payer was Pfizer Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Exer Medical CorporationThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy-Ann L. Sylvester among 17,133 family medicine physician records in California
Wendy-Ann L. Sylvester, M.D. is one of 17,133 family medicine 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2000 · median 2005 among the 10,652 with a school on file
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Camarillo
They are 24 of the 2,656 NPPES records with a practice address in Camarillo, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Camarillo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Raphael Argueta, M.D.Camarillo, CA 930101174744072
- Christopher Arnold, DOCamarillo, CA 930101356499156
- James Carlson, MEDICAL DOCTORCamarillo, CA 930101336139450
- Maria Dickey, DOCamarillo, CA 930101013164136
- Dorothy Du Graff, D.O.Camarillo, CA 930101699180935
- Wilson Fung, MDCamarillo, CA 930101942282819
- Emily Jiang, M.D.Camarillo, CA 930101366702946
- Carl Jonokuchi, MDCamarillo, CA 930101528027497
Common questions
What is Wendy-Ann L. Sylvester, M.D.'s NPI number?
Wendy-Ann L. Sylvester, M.D.'s National Provider Identifier (NPI) is 1578504148, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy-Ann L. Sylvester, M.D. located?
The NPPES record lists a practice address at 2275 Las Posas RD, Camarillo, CA, 93010. Phone: (805) 388-3732. Providers update this record themselves, so call before visiting.
How can I verify Wendy-Ann L. Sylvester, M.D.'s license?
NPPES lists California license number C54331, 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-Ann L. Sylvester, M.D. prescribe under Medicare Part D?
In 2024, Wendy-Ann L. Sylvester, M.D. had 57 Medicare Part D claims for 50 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Wendy-Ann L. Sylvester, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.1 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.