NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932197456
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Rajnish Chawla in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA07620800
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

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.

  1. Rajnish Chawla4,021
  2. Specialty average3,176

Most prescribed

  1. Montelukast Sodium333 claims
  2. Atorvastatin Calcium198 claims
  3. Rosuvastatin Calcium170 claims
  4. Levothyroxine Sodium155 claims
  5. Pantoprazole Sodium128 claims
  6. 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.

  1. Qualityout of 100 · 30% of the final score77.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Rwjbh Primary Care ServicesMercerville, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other internal medicine physician records in New Jersey

  1. Joseph Aaron, MD, FACPShort Hills, NJ1861584633
  2. Sirike Aasmaa, DOMontville, NJ1861549925
  3. Holly Abate Bersalona, M.D.Sea Girt, NJ1669500492
  4. Kaniz Zehra Abbas, MDTrenton, NJ1598253858
  5. Shahida Abbas, MDOld Bridge, NJ1023104098
  6. Shahed AbbasiNewark, NJ1477810752
  7. Samih Abbassi, MDWest Orange, NJ1750380358
  8. Somaya Abboud, MDWest Orange, NJ1326089004
  9. Hilal Abboushi, MDBloomfield, NJ1548378029
  10. Anthony Abbruzzi, D.O.Pleasantville, NJ1629034905

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.