Harendra Ipalawatte, MD
Internal Medicine Physician · Thousand Oaks, CA
Harendra Ipalawatte, MD is an internal medicine physician with a practice address in Thousand Oaks, California, and NPI 1326788142, issued on Mar 30, 2022. Check the license (California A191860, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harendra Ipalawatte
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A191860 CA
27657 NV
Self-reported in NPPES; status is on the state search - Practice location
- 215 W Janss RD, Thousand Oaks, CA 91360
- Phone
- (805) 497-2727
- Enumerated
- Mar 30, 2022
- Record last updated
- Dec 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20260324000661); 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 215 W Janss RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Abadir, MDStudent in an Organized Health Care Education/Training Program1609578152
- Danny Abdalnour, MDStudent in an Organized Health Care Education/Training Program1598613705
- Sara Abdel AzimStudent in an Organized Health Care Education/Training Program1760284384
- Ziad Abdullatif, D.O.Student in an Organized Health Care Education/Training Program1710689419
- Bianca Abramian, MDStudent in an Organized Health Care Education/Training Program1649118332
- Rehman Afraz, MDStudent in an Organized Health Care Education/Training Program1265370407
Verify Harendra Ipalawatte in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A191860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
229 Medicare Part D claims for 87 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Eliquis19 claims
- Atorvastatin Calcium16 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: $145.25
2 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.
Bills Medicare through one group practice
- Nevada Acute Medical Services-Scherr 1 PCLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harendra Ipalawatte among 17,696 internal medicine physician records in California
Harendra Ipalawatte, 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 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2022 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 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).
62 internal medicine physician records list a practice address in Thousand Oaks
They are 62 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Thousand Oaks → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jose-Nitram Aliling, M.D.Thousand Oaks, CA 913601912177759
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- Pedram Bagheri, MDThousand Oaks, CA 913601578785275
- Russell Hines, M.D.Thousand Oaks, CA 913601548213101
- Christina Jacob, M.D.Thousand Oaks, CA 913601497758957
- Bernard Klein, M.D.Thousand Oaks, CA 913601831382738
- Jane Lindberg, MDThousand Oaks, CA 913601467548149
- Steven McCarthy, M.D.Thousand Oaks, CA 913601497765309
Common questions
What is Harendra Ipalawatte, MD's NPI number?
Harendra Ipalawatte, MD's National Provider Identifier (NPI) is 1326788142, issued on Mar 30, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Harendra Ipalawatte, MD located?
The NPPES record lists a practice address at 215 W Janss RD, Thousand Oaks, CA, 91360. Phone: (805) 497-2727. Providers update this record themselves, so call before visiting.
How can I verify Harendra Ipalawatte, MD's license?
NPPES lists California license number A191860, 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 Harendra Ipalawatte, MD prescribe under Medicare Part D?
In 2024, Harendra Ipalawatte, MD had 229 Medicare Part D claims for 87 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.