Smita Dinesh Mandal, M.D.
Internal Medicine Physician · Simi Valley, CA
Smita Dinesh Mandal, M.D. is an internal medicine physician with a practice address in Simi Valley, California, and NPI 1285876854, issued on Mar 29, 2009. Check the license (California A114250, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Smita Dinesh Mandal
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A114250 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1227 E Los Angeles Ave, Simi Valley, CA 93065
- Phone
- (805) 582-4000
- Enumerated
- Mar 29, 2009
- Record last updated
- Sep 6, 2023
- Medicaid ID
- 00A114250 CA
- Medicare enrollment
- Enrolled (PECOS I20110816000504); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1227 E Los Angeles Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Smita Dinesh Mandal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average internal medicine physician in 2024
3,822 Medicare Part D claims for 221 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium201 claims
- Metformin Hcl184 claims
- Gabapentin180 claims
- Lisinopril177 claims
- Levothyroxine Sodium118 claims
- Metoprolol Succinate108 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $174.26
7 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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 2 group practices
- County OF VenturaSimi Valley, CA
- Inpatient Specialists OF California PCOxnard, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Smita Dinesh Mandal among 17,696 internal medicine physician records in California
Smita Dinesh Mandal, 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · 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
- William Matzner, M.D., PH.D.Simi Valley, CA 930651306905716
- Abdol Memar-Zia, MDSimi Valley, CA 930651639122112
Common questions
What is Smita Dinesh Mandal, M.D.'s NPI number?
Smita Dinesh Mandal, M.D.'s National Provider Identifier (NPI) is 1285876854, issued on Mar 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Smita Dinesh Mandal, M.D. located?
The NPPES record lists a practice address at 1227 E Los Angeles Ave, Simi Valley, CA, 93065. Phone: (805) 582-4000. Providers update this record themselves, so call before visiting.
How can I verify Smita Dinesh Mandal, M.D.'s license?
NPPES lists California license number A114250, 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 Smita Dinesh Mandal, M.D. prescribe under Medicare Part D?
In 2024, Smita Dinesh Mandal, M.D. had 3,822 Medicare Part D claims for 221 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Smita Dinesh Mandal, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.