Arinder Singh Chadha, MD, MBA, FACP
Internal Medicine Physician · Los Angeles, CA
Arinder Singh Chadha, MD, MBA, FACP is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1467480137, issued on Jun 29, 2006. Check the license (California A 77611, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arinder Singh Chadha
- Credential
- MD, MBA, FACP
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A 77611 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1148 S Rowan Ave Ste 2, Los Angeles, CA 90023
- Phone
- (323) 881-2675
- Enumerated
- Jun 29, 2006
- Record last updated
- Feb 10, 2026
- Medicare enrollment
- Enrolled (PECOS I20040226000513); 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 1148 S Rowan Ave Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terra Conejo-Pleng, NPNurse Practitioner1700674678
Verify Arinder Singh Chadha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A 77611Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11.0 times the Medicare Part D claims of the average internal medicine physician in 2024
34,990 Medicare Part D claims for 909 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 596 claims were for opioids.
Most prescribed
- Atorvastatin Calcium2,023 claims
- Amlodipine Besylate1,586 claims
- Eliquis1,059 claims
- Gabapentin1,034 claims
- Metoprolol Tartrate884 claims
- Pantoprazole Sodium869 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 MIPS final score for 2023 (Medicare payment program): 4.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Arinder Chadha, M.D., Inc.Los Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arinder Singh Chadha among 17,696 internal medicine physician records in California
Arinder Singh Chadha, MD, MBA, FACP 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Quynam Nguyen, M.D.Los Angeles, CA 900231255452454
- Zainab SaadiLos Angeles, CA 900231750724514
- John Sam, MDLos Angeles, CA 900231033278031
- Samuel Wosk, M.D.Los Angeles, CA 900231689604951
Common questions
What is Arinder Singh Chadha, MD, MBA, FACP's NPI number?
Arinder Singh Chadha, MD, MBA, FACP's National Provider Identifier (NPI) is 1467480137, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arinder Singh Chadha, MD, MBA, FACP located?
The NPPES record lists a practice address at 1148 S Rowan Ave Ste 2, Los Angeles, CA, 90023. Phone: (323) 881-2675. Providers update this record themselves, so call before visiting.
How can I verify Arinder Singh Chadha, MD, MBA, FACP's license?
NPPES lists California license number A 77611, 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 Arinder Singh Chadha, MD, MBA, FACP prescribe under Medicare Part D?
In 2024, Arinder Singh Chadha, MD, MBA, FACP had 34,990 Medicare Part D claims for 909 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Arinder Singh Chadha, MD, MBA, FACP's MIPS final score?
The 2023 MIPS final score is 4.2 of 100. 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.