Jacqueline Joanna Denysiak, M.D.
Family Medicine Physician · San Diego, CA
Jacqueline Joanna Denysiak, M.D. is a family medicine physician with a practice address in San Diego, California, and NPI 1902337827, issued on Mar 22, 2017. Check the license (California A164420, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacqueline Joanna Denysiak
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A164420 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3969 4TH Ave Ste 203, San Diego, CA 92103
- Phone
- (619) 294-6500
- Enumerated
- Mar 22, 2017
- Record last updated
- Sep 26, 2023
- Fax
- (619) 294-6505
- Medicare enrollment
- Enrolled (PECOS I20201029001137); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3969 4TH Ave Ste 203
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jacqueline Joanna Denysiak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average family medicine physician in 2024
3,385 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium222 claims
- Losartan Potassium169 claims
- Levothyroxine Sodium137 claims
- Amlodipine Besylate135 claims
- Gabapentin89 claims
- Rosuvastatin Calcium73 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.
Industry payments in 2024: $2,385.44
88 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Medicus MD IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacqueline Joanna Denysiak among 17,133 family medicine physician records in California
Jacqueline Joanna Denysiak, 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Ian Diaz, MDSan Diego, CA 921031023038411
- Theodore Ganiats, M.D.San Diego, CA 921031659303170
- Cecilia Gutierrez, M.D.San Diego, CA 921031780600528
- Esmatullah HatamySan Diego, CA 921031659329837
- Gene Kallenberg, M.D.San Diego, CA 921031861417446
- Stacey Layle, MDSan Diego, CA 921031437112349
Common questions
What is Jacqueline Joanna Denysiak, M.D.'s NPI number?
Jacqueline Joanna Denysiak, M.D.'s National Provider Identifier (NPI) is 1902337827, issued on Mar 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jacqueline Joanna Denysiak, M.D. located?
The NPPES record lists a practice address at 3969 4TH Ave Ste 203, San Diego, CA, 92103. Phone: (619) 294-6500. Providers update this record themselves, so call before visiting.
How can I verify Jacqueline Joanna Denysiak, M.D.'s license?
NPPES lists California license number A164420, 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 Jacqueline Joanna Denysiak, M.D. prescribe under Medicare Part D?
In 2024, Jacqueline Joanna Denysiak, M.D. had 3,385 Medicare Part D claims for 442 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.