RAJNISH CHAWLA MD
NPI 1932197456
Internal Medicine in Mercerville, NJ

Q: What is Rajnish Chawla's NPI number?

The NPI number for Rajnish Chawla is 1932197456. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Q: What is Rajnish Chawla's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Rajnish Chawla was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 10, 2005PECOS EnrolledAccepts Medicare Assignment

93.71/100

CMS Quality Rating

3840 QUAKERBRIDGE RD, BLDG 2, SUITE 110, MERCERVILLE, NJ 08619(609) 890-4200(609) 586-0399 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Rajnish Chawla Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RAJNISH CHAWLA MD (NPI 1932197456) is an individual internal medicine provider in Mercerville, New Jersey, licensed in New Jersey (25MA07620800) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital At Hamilton, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1932197456

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameRAJNISH CHAWLACredential: MD

Location Address3840 QUAKERBRIDGE RD, BLDG 2, SUITE 110Mercerville, NJ 08619-1003

Mailing Address1545 Harbourton Rocktown RdLambertville, NJ 08530-3003 · (609) 890-4200 · Fax (609) 586-0399

Phone(609) 890-4200

Fax(609) 586-0399

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateOctober 10, 2005

Last NPPES UpdateMay 1, 2024

NPPES CertifiedMay 1, 2024

✔ NPI 1932197456 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA07620800

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3840 QUAKERBRIDGE RD, Mercerville, NJ 08619

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Other Identifiers 1

Medicaid0220132NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Rajnish Chawla Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163327446

PECOS Enrollment IDI20040607000468

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Rajnish Chawla reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Center For Primary Care Medicine LLC

0.8 mi

Internal Medicine

4065 QUAKERBRIDGE RD
Princeton Junction, NJ 08550

Reassigned Medicare billing, New Jersey enrollment
3 clinicians in this Medicare group

NPI 1194997304 (609) 436-5900

Robert Wood Johnson Medical Associates

20 mi

Hospitalist

1 ROBERT WOOD JOHNSON PL
New Brunswick, NJ 08901

Reassigned Medicare billing, New Jersey enrollment
306 clinicians in this Medicare group

NPI 1902848625 (732) 235-7840

Barnabas Health Medical Group, PC

40 mi

Specialist

95 OLD SHORT HILLS RD
West Orange, NJ 07052

Reassigned Medicare billing, New Jersey enrollment
757 clinicians in this Medicare group

NPI 1447206420 (888) 724-7123

Rwjbh Primary Care Services

40 mi

Internal Medicine

95 OLD SHORT HILLS RD
West Orange, NJ 07052

Reassigned Medicare billing, New Jersey enrollment
428 clinicians in this Medicare group

NPI 1265037501 (973) 322-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

356 services119 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

40 services33 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

35 services34 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

34 services33 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

31 services31 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

23 services23 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Robert Wood Johnson University Hospital At Hamilton

Acute Care Hospitals · Hamilton, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310110

LocationOne Hamilton Health PlaceHamilton, NJ 08690 · Mercer County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08619 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$140.34 typical visit price

range $61.59 – $185.05

Typical copayment $35.08 (range $15.39 – $46.26)

Most-billed visit code 99204

Established Patient

$107.94 typical visit price

range $20.08 – $150.98

Typical copayment $26.98 (range $5.02 – $37.74)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.71/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

77.79

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Breast Cancer Screening

Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer

0%244 patients1/55-star benchmark: 92%

Cervical Cancer Screening

Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…

1%293 patients

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

1%488 patients1/55-star benchmark: 85%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

95%918 patients4/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

99%607 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

22%516 patients1/55-star benchmark: 99%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

3%318 patients1/55-star benchmark: 90%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

97%918 patients5/55-star benchmark: 97%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

24%851 patients2/55-star benchmark: 88%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

53%516 patients3/55-star benchmark: 100%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 98% · 296 patients

88%296 patients1/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers22 claims47 services$6.33 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. NOLA T. MAHONEY D.O.

Family Medicine (Addiction Medicine)

3840 QUAKERBRIDGE RD, STE 100
HAMILTON, NJ 08619

Mercer County (609) 890-2222

TATIANA MARTINEZ

Community/Behavioral Health