Jasbir Singh Tiwana, M.D
Internal Medicine Physician · Simi Valley, CA
Jasbir Singh Tiwana, M.D is an internal medicine physician with a practice address in Simi Valley, California, and NPI 1689826661, issued on Oct 21, 2008. Check the license (California A105298, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jasbir Singh Tiwana
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A105298 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1172 Swallow LN, Simi Valley, CA 93065
- Phone
- (951) 278-5590
- Enumerated
- Oct 21, 2008
- Record last updated
- Jan 1, 2023
- Fax
- (951) 272-9924
- Medicaid IDs
- 1326839 CA
1689826661 CA - Medicare enrollment
- Enrolled (PECOS I20101110001376); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jasbir Singh Tiwana in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105298Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,245 Medicare Part D claims for 386 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 159 claims were for opioids.
Most prescribed
- Pantoprazole Sodium84 claims
- Eliquis77 claims
- Furosemide73 claims
- Atorvastatin Calcium66 claims
- Prednisone65 claims
- Oxycodone-Acetaminophen56 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: $44.90
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
Bills Medicare through one group practice
- Allure Medical Group A Professional CorporationThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jasbir Singh Tiwana among 17,696 internal medicine physician records in California
Jasbir Singh Tiwana, M.D 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2000 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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).
25 internal medicine physician records list a practice address in Simi Valley
They are 25 of the 1,397 NPPES records with a practice address in Simi Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Simi Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Dichter, M.D.Simi Valley, CA 930651841265261
- Gurdip Flora, M.DSimi Valley, CA 930651164611075
- Chandrashekhar Joshi, MDSimi Valley, CA 930651215049374
- Charles Kennedy, MDSimi Valley, CA 930651942576111
- William Lee, MDSimi Valley, CA 930651619960705
- Mojgan Makhsoosi, M.D. INC.Simi Valley, CA 930651346218658
- Smita Mandal, M.D.Simi Valley, CA 930651285876854
- William Matzner, M.D., PH.D.Simi Valley, CA 930651306905716
Common questions
What is Jasbir Singh Tiwana, M.D's NPI number?
Jasbir Singh Tiwana, M.D's National Provider Identifier (NPI) is 1689826661, issued on Oct 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jasbir Singh Tiwana, M.D located?
The NPPES record lists a practice address at 1172 Swallow LN, Simi Valley, CA, 93065. Phone: (951) 278-5590. Providers update this record themselves, so call before visiting.
How can I verify Jasbir Singh Tiwana, M.D's license?
NPPES lists California license number A105298, 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 Jasbir Singh Tiwana, M.D prescribe under Medicare Part D?
In 2024, Jasbir Singh Tiwana, M.D had 2,245 Medicare Part D claims for 386 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.