Christopher Emmanuel Wissar, MD
Family Medicine Physician · West Covina, CA
Christopher Emmanuel Wissar, MD is a family medicine physician with a practice address in West Covina, California, and NPI 1649980327, issued on Dec 2, 2022. Check the license (California P20, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Emmanuel Wissar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- P20 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 S Sunset Ave, West Covina, CA 91790
- Phone
- (888) 099-9303
- Enumerated
- Dec 2, 2022
- Record last updated
- Dec 2, 2022
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1300 S Sunset Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Oyinade Akhigbe, NPFamily Nurse Practitioner1467730051
- Caroline Aventura, M.D.Family Medicine Physician1962623538
- Caroline Caspe, MSN, FNP-CFamily Nurse Practitioner1053754952
- Lane Dedrick, DOFamily Medicine Physician1962862318
Verify Christopher Emmanuel Wissar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license P20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average family medicine physician in 2024
4,525 Medicare Part D claims for 530 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium374 claims
- Metformin Hcl243 claims
- Lisinopril222 claims
- Amlodipine Besylate205 claims
- Losartan Potassium193 claims
- Levothyroxine Sodium171 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.
Christopher Emmanuel Wissar among 17,133 family medicine physician records in California
Christopher Emmanuel Wissar, MD 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2022 · 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).
69 family medicine physician records list a practice address in West Covina
They are 69 of the 2,450 NPPES records with a practice address in West Covina, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in West Covina → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fe Advincula, M.D.West Covina, CA 917901235162272
- Melody Angeles-Riparip, M.D.West Covina, CA 917901093752248
- Van Duong, M.D.West Covina, CA 917901497705289
- Teresita Belen Gan, MDWest Covina, CA 917901114028727
- John Koumas, D.O.West Covina, CA 917901134111958
- Zaida Obeso, M.D.West Covina, CA 917901881790616
- Jose Pilpa, MDWest Covina, CA 917901760439012
- Adriana Pollak Lazzaro, DOWest Covina, CA 917901306923974
Common questions
What is Christopher Emmanuel Wissar, MD's NPI number?
Christopher Emmanuel Wissar, MD's National Provider Identifier (NPI) is 1649980327, issued on Dec 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Emmanuel Wissar, MD located?
The NPPES record lists a practice address at 1300 S Sunset Ave, West Covina, CA, 91790. Phone: (888) 099-9303. Providers update this record themselves, so call before visiting.
How can I verify Christopher Emmanuel Wissar, MD's license?
NPPES lists California license number P20, 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 Christopher Emmanuel Wissar, MD prescribe under Medicare Part D?
In 2024, Christopher Emmanuel Wissar, MD had 4,525 Medicare Part D claims for 530 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.