Jessenia Alicia Elsa Knowles, MD
Family Medicine Physician · Santa Ana, CA
Jessenia Alicia Elsa Knowles, MD is a family medicine physician with a practice address in Santa Ana, California, and NPI 1619553542, issued on Mar 22, 2021. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jessenia Alicia Elsa Knowles
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD-24553-0 HI
Self-reported in NPPES; status is on the state search - Practice location
- 800 N Main St, Santa Ana, CA 92701
- Phone
- (657) 282-6355
- Enumerated
- Mar 22, 2021
- Record last updated
- Oct 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20250219003800); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 800 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jessenia Alicia Elsa Knowles 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
95% fewer Medicare Part D claims than the average family medicine physician in 2024
175 Medicare Part D claims for 33 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Ozempic20 claims
- Jardiance13 claims
- Amlodipine Besylate12 claims
- Atorvastatin Calcium12 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.
One hospital affiliation
- Pali Momi Medical CenterAiea, HI · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jessenia Alicia Elsa Knowles among 17,133 family medicine physician records in California
Jessenia Alicia Elsa Knowles, 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2021 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 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).
177 family medicine physician records list a practice address in Santa Ana
They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ana → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lynette Anderson, DOSanta Ana, CA 927011164674503
- Bruno Bucci, M.D.Santa Ana, CA 927011407811250
- James Chau, M.D.Santa Ana, CA 927011285727784
- John Ehum, MDSanta Ana, CA 927011942483409
- Kathryn Larsen, MDSanta Ana, CA 927011598845638
- Tim Le, D.O.Santa Ana, CA 927011366480188
- Amy Leu, D.O.Santa Ana, CA 927011922297712
- Jose Mayorga, MDSanta Ana, CA 927011295925154
Common questions
What is Jessenia Alicia Elsa Knowles, MD's NPI number?
Jessenia Alicia Elsa Knowles, MD's National Provider Identifier (NPI) is 1619553542, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jessenia Alicia Elsa Knowles, MD located?
The NPPES record lists a practice address at 800 N Main St, Santa Ana, CA, 92701. Phone: (657) 282-6355. Providers update this record themselves, so call before visiting.
How can I verify Jessenia Alicia Elsa Knowles, 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 Jessenia Alicia Elsa Knowles, MD prescribe under Medicare Part D?
In 2024, Jessenia Alicia Elsa Knowles, MD had 175 Medicare Part D claims for 33 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.