Mubeen Siddiqua, M.D.
Family Medicine Physician · Irvine, CA
Mubeen Siddiqua, M.D. is a family medicine physician with a practice address in Irvine, California, and NPI 1750584983, issued on Jun 6, 2007. Check the license (California 138130, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mubeen Siddiqua
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 138130 CA
044920 CT
Self-reported in NPPES; status is on the state search - Practice location
- 6 Willard, Irvine, CA 92604
- Phone
- (888) 988-2800
- Enumerated
- Jun 6, 2007
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (203) 929-1799
- Medicare enrollment
- Enrolled (PECOS I20160509000569); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 6 Willard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen BuiPharmacist1124566013
- Jason Castillo, M.D.MOHS-Micrographic Surgery Physician1497098644
- Jun Ho Chae, M.D.Family Medicine Physician1003811969
- Anne Chandsawang, D.O.Family Medicine Physician1679756118
- Carren ChangPharmacist1891234696
- Annie ChauPharmacist1245778265
Verify Mubeen Siddiqua in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 138130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family medicine physician in 2024
2,254 Medicare Part D claims for 264 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 83 claims were for opioids.
Most prescribed
- Atorvastatin Calcium209 claims
- Lisinopril109 claims
- Rosuvastatin Calcium92 claims
- Levothyroxine Sodium91 claims
- Amlodipine Besylate84 claims
- Losartan Potassium68 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mubeen Siddiqua among 17,133 family medicine physician records in California
Mubeen Siddiqua, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 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).
148 family medicine physician records list a practice address in Irvine
They are 148 of the 7,778 NPPES records with a practice address in Irvine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Irvine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jon Biorkman, MDIrvine, CA 926041023008679
- David Bunten, D.O.Irvine, CA 926041679527857
- Jun Ho Chae, M.D.Irvine, CA 926041003811969
- James Fenlon, M.DIrvine, CA 926041851347256
- Howard Fishbein, M.D.Irvine, CA 926041689629487
- Richard Kim, DOIrvine, CA 926041710978770
- Steven Long, MDIrvine, CA 926041760446470
- Mary McCarthy, MDIrvine, CA 926041508820267
Common questions
What is Mubeen Siddiqua, M.D.'s NPI number?
Mubeen Siddiqua, M.D.'s National Provider Identifier (NPI) is 1750584983, issued on Jun 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mubeen Siddiqua, M.D. located?
The NPPES record lists a practice address at 6 Willard, Irvine, CA, 92604. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Mubeen Siddiqua, M.D.'s license?
NPPES lists California license number 138130, 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 Mubeen Siddiqua, M.D. prescribe under Medicare Part D?
In 2024, Mubeen Siddiqua, M.D. had 2,254 Medicare Part D claims for 264 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.