Javed Nisar Sadiq, M.D.
Gastroenterology Physician · Santa Ana, CA
Javed Nisar Sadiq, M.D. is a gastroenterology physician with a practice address in Santa Ana, California, and NPI 1609194703, issued on May 13, 2010. Check the license (California A138592, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Javed Nisar Sadiq
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A138592 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2621 S Bristol St Ste 202, Santa Ana, CA 92704
- Phone
- (657) 900-4536
- Enumerated
- May 13, 2010
- Record last updated
- Jan 26, 2023
- Fax
- (657) 208-9732
- Medicare enrollment
- Enrolled (PECOS I20160810002193); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2621 S Bristol St Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kayla Mathiowetz, PA-CMedical Physician Assistant1245107366
- Essam Quraishi, MDGastroenterology Physician1902952690
- Lisa VoPhysician Assistant1588469829
Verify Javed Nisar Sadiq in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A138592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average gastroenterology physician in 2024
793 Medicare Part D claims for 358 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Pantoprazole Sodium171 claims
- Gavilyte-G150 claims
- Famotidine68 claims
- Peg-3350 And Electrolytes46 claims
- Sucralfate44 claims
- Dicyclomine Hcl42 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: $949.64
41 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Gastrointestinal And Liver Consultants IncSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Javed Nisar Sadiq among 2,140 gastroenterology physician records in California
Javed Nisar Sadiq, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2009 · median 2002 among the 1,538 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Santa Ana → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Manuchehr Darani, M.D.Santa Ana, CA 927041588766455
- Essam Quraishi, MDSanta Ana, CA 927041902952690
- Christopher Bui, MDSanta Ana, CA 927031811061468
- Carlos Saad, MDSanta Ana, CA 927051932133667
- Fernando Austin, MDFountain Valley, CA 927081174527774
- Babak Firoozi, M.D.Fountain Valley, CA 927081891734828
- Nancy Han, M.D.Fountain Valley, CA 927081609055300
- Vincent Kao, DOFountain Valley, CA 927081649570268
Common questions
What is Javed Nisar Sadiq, M.D.'s NPI number?
Javed Nisar Sadiq, M.D.'s National Provider Identifier (NPI) is 1609194703, issued on May 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Javed Nisar Sadiq, M.D. located?
The NPPES record lists a practice address at 2621 S Bristol St Ste 202, Santa Ana, CA, 92704. Phone: (657) 900-4536. Providers update this record themselves, so call before visiting.
How can I verify Javed Nisar Sadiq, M.D.'s license?
NPPES lists California license number A138592, 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 Javed Nisar Sadiq, M.D. prescribe under Medicare Part D?
In 2024, Javed Nisar Sadiq, M.D. had 793 Medicare Part D claims for 358 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.