DR. RAHUL SINGH TONK MD, MBA
NPI 1316207913
Ophthalmology in Princeton, NJ

Q: What is Rahul Tonk's NPI number?

The NPI number for Rahul Tonk is 1316207913. It was assigned to this individual provider in the NPPES registry on May 17, 2012.

Q: What is Rahul Tonk's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Rahul Tonk was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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 May 17, 2012PECOS EnrolledAccepts Medicare Assignment

81.31/100

CMS Quality Rating

419 N HARRISON ST, PRINCETON, NJ 08540(609) 921-9437(609) 921-0277 Get Directions Write a Review

NPPES record last updated: April 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 3, 2026, Jan 18, 2026, Jun 16, 2020 (3 updates tracked since 2020).

On this page

About Dr. Rahul Singh Tonk Md, Mba NPPES

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

DR. RAHUL SINGH TONK MD, MBA (NPI 1316207913) is an individual ophthalmology provider in Princeton, New Jersey, licensed in New Jersey (25MA12402400) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (2012).

NPPES Registry Identity

NPI1316207913

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. RAHUL SINGH TONKCredential: MD, MBA

Location Address419 N HARRISON STPrinceton, NJ 08540-3521

Mailing Address419 N Harrison St Ste 104Princeton, NJ 08540-3521 · (609) 921-9437 · Fax (609) 921-0277

Phone(609) 921-9437

Fax(609) 921-0277

Sole ProprietorNo

Medical School CMSRutgers R W Johnson Medical School (cam/new Bruns/pisc)Graduated 2012

Enumeration DateMay 17, 2012

Last NPPES UpdateApril 3, 20263 updates tracked since enumeration

NPPES CertifiedApril 3, 2026

✔ NPI 1316207913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

Licenses✔ Licensed in NJ · 25MA12402400✔ Licensed in PA · MD492121C

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedOphthalmology · Cornea and External Diseases SpecialistTaxonomy 207WX0120X · License 25MA12402400 (NJ)

419 N HARRISON ST, Princeton, NJ 08540

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Secondary Practice Locations 2

Location 1950 Hamilton StSomerset, NJ 08873-3338 · Phone (732) 565-9550

Location 2298 Applegarth RdMonroe Township, NJ 08831-3821 · Phone (609) 655-8808 · Fax (609) 655-3685

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Molina Healthcare, Oscar Health Maintenance Organization of Florida and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Rahul Singh Tonk Md, Mba 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 ID2365739992

PECOS Enrollment IDI20250820004530, I20251119003969

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.

Areas of Expertise CMS Part B claims 18

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.

139 services114 patients

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

115 services93 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

103 services74 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.

87 services81 patients

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

76 services69 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

51 services51 patients

Complex removal of cataract with insertion of prosthetic lens 66982

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

41 services32 patients

Imaging of retina 92134

37 services36 patients

Ct scan of cornea 92025

A CT scan of the cornea is a non-invasive imaging test that uses X-rays to capture detailed pictures of your eye's cornea. It helps in diagnosing diseases or damage, planning for surgery, or evaluating the results of a treatment. It's a safe and painless procedure.

36 services36 patients

Ct scan of cornea 92025

35 services33 patients

Removal of recurring cataract in lens capsule using a laser 66821

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

30 services30 patients

Removal of recurring cataract in lens capsule using a laser 66821

26 services22 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

20 services17 patients

Photography of content of eyes 92285

Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.

17 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 patients

Photography of content of eyes 92285

15 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

14 services14 patients

Transplantation of outer layer of corneal tissue 65756

The transplantation of the outer layer of corneal tissue is a procedure to replace damaged or diseased corneal tissue with healthy tissue from a donor. This can improve vision and alleviate pain or discomfort.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08540 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

$76.45 typical visit price

range $20.08 – $150.98

Typical copayment $19.11 (range $5.02 – $37.74)

Most-billed visit code 99213

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.

81.31/100

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

Scored as part of a group practice

Quality

78.45

Promoting Interoperability

100

Improvement Activities

Cost

50.59

Other Providers at the Same Location NPPES 20

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

RINKU GANDHI AGACNP-BC

Nurse Practitioner (Adult Health)

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 924-9300

DR. EDWARD VON DER SCHMIDT III MD

Neurological Surgery

419 N HARRISON ST, SUITE 204
PRINCETON, NJ 08540

Mercer County (609) 924-3614

CHAD ERIC STOCKHAM M.D.

Internal Medicine

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 924-9300

PRINCETON MEDICAL GROUP,P.A.

Internal Medicine

419 N HARRISON ST, SUITE 203
PRINCETON, NJ 08540

Mercer County (609) 924-9300

DR. JULIA T. DESANCTIS M.D.

Radiology (Diagnostic Radiology)

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 921-3345

TIFFANI METHVIEN OD

Optometrist

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 921-9437

DR. SIDNEY JACOB GOLDFARB MD

Urology

419 N HARRISON ST, STE 206
PRINCETON, NJ 08540

Mercer County (609) 921-3008

CASEY WONG M.D.

Internal Medicine (Cardiovascular Disease)

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 924-9300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rahul Tonk's NPI number?

The NPI number for Rahul Tonk is 1316207913. It was assigned to this individual provider in the NPPES registry on May 17, 2012.

Where is Rahul Tonk located?

Rahul Tonk practices at 419 N Harrison St, Princeton, NJ 08540. The listed phone number is (609) 921-9437.

What is Rahul Tonk's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Rahul Tonk enrolled in Medicare?

Yes. Rahul Tonk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Rahul Tonk accept?

Health plans from AmeriHealth Caritas Next, Molina Healthcare, Oscar Health Maintenance Organization of Florida and Providence Health Plan list Rahul Tonk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Rahul Tonk was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.