Alfredo Quinonez, MD
Internal Medicine Physician · San Diego, CA
Alfredo Quinonez, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1396815940, issued on Nov 9, 2006. Check the license (California A44257, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alfredo Quinonez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A44257 CA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Market St, San Diego, CA 92101
- Phone
- (619) 239-9675
- Enumerated
- Nov 9, 2006
- Record last updated
- Feb 24, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120225000001); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Alfredo Quinonez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A44257Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average internal medicine physician in 2024
3,927 Medicare Part D claims for 316 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium307 claims
- Lisinopril214 claims
- Metformin Hcl156 claims
- Levothyroxine Sodium134 claims
- Amlodipine Besylate133 claims
- Fenofibrate108 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: $3,276.97
67 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Alfredo Quinonez among 17,696 internal medicine physician records in California
Alfredo Quinonez, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1979 · median 2004 among the 11,065 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alicia Benjamin, M.D.San Diego, CA 921011790793040
- John Chau, M.D.San Diego, CA 921011740375070
- Michael Duffy, DOSan Diego, CA 921011851399802
- Brij Gupta, M.D.San Diego, CA 921011174532543
- William Harless, M.D.San Diego, CA 921011366452823
- Paul Hazelbaker, DOSan Diego, CA 921011831106103
- Mark Jabro, M.D.San Diego, CA 921011326058330
- Wayne Kurisu, M.D.San Diego, CA 921011881606309
Common questions
What is Alfredo Quinonez, MD's NPI number?
Alfredo Quinonez, MD's National Provider Identifier (NPI) is 1396815940, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfredo Quinonez, MD located?
The NPPES record lists a practice address at 250 Market St, San Diego, CA, 92101. Phone: (619) 239-9675. Providers update this record themselves, so call before visiting.
How can I verify Alfredo Quinonez, MD's license?
NPPES lists California license number A44257, 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 Alfredo Quinonez, MD prescribe under Medicare Part D?
In 2024, Alfredo Quinonez, MD had 3,927 Medicare Part D claims for 316 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.