Rajnish Chawla, MD
Internal Medicine Physician · Mercerville, NJ
Rajnish Chawla, MD is an internal medicine physician with a practice address in Mercerville, New Jersey, and NPI 1932197456, issued on Oct 10, 2005. Check the license (New Jersey 25MA07620800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Rajnish Chawla
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA07620800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 3840 Quakerbridge RD, Mercerville, NJ 08619
- Phone
- (609) 890-4200
- Enumerated
- Oct 10, 2005
- Record last updated
- May 1, 2024
- Fax
- (609) 586-0399
- Medicaid ID
- 0220132 NJ
- Medicare enrollment
- Enrolled (PECOS I20040607000468); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Rajnish Chawla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA07620800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average internal medicine physician in 2024
4,021 Medicare Part D claims for 294 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. 17 claims were for opioids.
Most prescribed
- Montelukast Sodium333 claims
- Atorvastatin Calcium198 claims
- Rosuvastatin Calcium170 claims
- Levothyroxine Sodium155 claims
- Pantoprazole Sodium128 claims
- Amlodipine Besylate125 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): 93.7 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
- Rwjbh Primary Care ServicesMercerville, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rajnish Chawla among 4,632 internal medicine physician records in New Jersey
Rajnish Chawla, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2000 among the 3,132 with a school on file
- Record last updated2024 · 63% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Mercerville
They are 6 of the 133 NPPES records with a practice address in Mercerville, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Mercerville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nauman Diwan, MDHamilton, NJ 086191609802057
- Marjorie Gonzales, PCMercerville, NJ 086191952341232
- Sheryl Haber-Kuo, MDMercerville, NJ 086191376507806
- Irfan Huq, MDHamilton, NJ 086191225080229
- Steven Levenberg, M.D.Hamilton, NJ 086191710977426
- Muqsita Nashat, MDHamilton, NJ 086191780628503
- Harsha Oza, M.D.Hamilton, NJ 086191447219290
- Rubina Raza, MDHamilton, NJ 086191437188653
Common questions
What is Rajnish Chawla, MD's NPI number?
Rajnish Chawla, MD's National Provider Identifier (NPI) is 1932197456, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rajnish Chawla, MD located?
The NPPES record lists a practice address at 3840 Quakerbridge RD, Mercerville, NJ, 08619. Phone: (609) 890-4200. Providers update this record themselves, so call before visiting.
How can I verify Rajnish Chawla, MD's license?
NPPES lists New Jersey license number 25MA07620800, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rajnish Chawla, MD prescribe under Medicare Part D?
In 2024, Rajnish Chawla, MD had 4,021 Medicare Part D claims for 294 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Rajnish Chawla, MD's MIPS final score?
The 2023 MIPS final score is 93.7 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.