Doctor profile · Federal record

Dr. Rajnish Chawla, MD

Internal Medicine Physician (CMS: Internal Medicine) · Mercerville, NJ

  • NPI 1932197456
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3840 Quakerbridge RD, Bldg 2, Suite 110
Mercerville, NJ 086191003
(609) 890-4200
fax (609) 586-0399
Mailing address
1545 Harbourton Rocktown RD
Lambertville, NJ 085303003

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
May 1, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MA07620800
Medicaid
NJ #0220132

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932197456. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
585
Distinct HCPCS
7
Medicare allowed
$73,328
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 438 111 $133
G0008 Administration of influenza virus vaccine 32 31 $34
90662 Influenza vaccine split virus, preservative free 28 27 $72
99213 Established patient office or other outpatient visit, 20-29 minutes 27 26 $97
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 22 22 $159
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 19 18 $268
G0009 Administration of pneumococcal vaccine 19 18 $32

In context: peer comparison

Among 4 peers in Mercerville Internal Medicine Physician, average services per provider: 123. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,597
Patients
469
Total drug cost
$26,331
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 299 98 $4,437
Atorvastatin Calcium Generic 185 52 $2,461
Levothyroxine Sodium Generic 163 46 $2,929
Rosuvastatin Calcium Generic 161 49 $4,693
Metoprolol Succinate Generic 113 32 $2,295
Amlodipine Besylate Generic 109 36 $739
Pantoprazole Sodium Generic 106 32 $1,576
Escitalopram Oxalate Generic 93 23 $1,395
Fluticasone Propionate Generic 62 36 $1,091
Clonazepam Generic 58 15 $325

Frequently asked questions

Auto-generated from federal data
What is Dr. Rajnish Chawla's medical specialty?
Dr. Rajnish Chawla practices Internal Medicine Physician in Mercerville, NJ.
Where does Dr. Rajnish Chawla practice?
Dr. Rajnish Chawla practices at 3840 Quakerbridge RD, Mercerville, NJ 086191003. Office phone: 6098904200.
What is Dr. Rajnish Chawla's NPI?
Dr. Rajnish Chawla's National Provider Identifier (NPI) is 1932197456, issued by NPPES.
Does Dr. Rajnish Chawla accept Medicare assignment?
Yes. Dr. Rajnish Chawla accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rajnish Chawla commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.