Individual provider Active NPI

Rahul Singh Tonk, MD, MBA

  • Ophthalmology Physician
  • Princeton, NJ
National Provider Identifier
1316207913
Registry record updated Apr 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Ophthalmology PhysicianTaxonomy code 207W00000X
License
25MA12402400 Issued in NJ
Practice address
419 N Harrison St
Princeton, NJ 08540-3521
Phone
(609) 921-9437
Fax
(609) 921-0277
NPI assigned
May 17, 2012
Last updated
Apr 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 3, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Ophthalmology Physician 207W00000X 25MA12402400 NJ Primary
Ophthalmology Physician 207W00000X MD492121C PA
Cornea and External Diseases Specialist Physician 207WX0120X 25MA12402400 NJ

Addresses

Primary practice location

419 N Harrison St
Princeton, NJ 08540-3521

Mailing address

419 N Harrison St Ste 104
Princeton, NJ 08540-3521
Phone (609) 921-9437

Other practice location 1

950 Hamilton St
Somerset, NJ 08873-3338
Phone (732) 565-9550

Other practice location 2

298 Applegarth Rd
Monroe Township, NJ 08831-3821
Phone (609) 655-8808

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, NJ, PA3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20160927000166 FL Practitioner - Ophthalmology 2365739992 Reassigns benefits to 1 organization
I20250820004530 NJ Practitioner - Ophthalmology 2365739992 Reassigns benefits to 1 organization
I20251119003969 PA Practitioner - Ophthalmology 2365739992 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Ophthalmology
Education
Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Princeton Eye Group, PAGroup PAC ID 8426027731, 14 clinicians
Wills Eye Ophthalmology Clinic, IncGroup PAC ID 9133025166, 146 clinicians

Practice addresses (Care Compare)

419 N Harrison St
Suite 104
Princeton, NJ 08540-3521
Phone (609) 921-9437

840 Walnut St
Philadelphia, PA 19107-5109
Phone (215) 928-3041

Merit-based Incentive Payment System (MIPS)

Final score
87.93 of 100Reported as group
Quality
78.79
Promoting interoperability
100
Improvement activities
40
Cost
71.44

Procedures performed for Medicare patients

ProcedureNumber of procedures
Cataract surgery59

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Business Administration, Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD492121CPAMDOphthalmology Physician
25MA12402400NJMDCornea and External Diseases Specialist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Princeton Eye Group, PA Ophthalmology CurrentSince Aug 4, 2025 Accepting new patients
University of Miami Current Accepting new patients
University of Miami CurrentSince Jan 1, 2020 Accepting new patients
Princeton Eye Group, PA Ophthalmology CurrentSince Aug 4, 2025 Accepting new patients
Wills Eye Ophthalmology Clinic, Inc Ophthalmology CurrentSince Dec 1, 2025 Accepting new patients
University of Miami CurrentSince Jan 1, 2020 Accepting new patients

Locations

4800 NE 20th Ter
Ste 201
Ft Lauderdale, FL 33308
Phone (305) 892-4000

1611 NW 12th Ave
Miami, FL 33136
Phone (305) 585-6226

1801 NW 9th Ave
Fl 6
Miami, FL 33136
Phone (305) 355-5006

900 NW 17th St
Miami, FL 33136
Phone (305) 243-2020

900 NW 17th St
Fl 5
Miami, FL 33136
Phone (561) 515-1500

7101 Fairway Dr
West Palm Beach, FL 33418
Phone (561) 515-1500

298 Applegarth Rd
Monroe Township, NJ 08831
Phone (609) 409-4259

298 Applegarth Rd
Ste I
Monroe Twp, NJ 08831
Phone (609) 655-7776

419 N Harrison St
Princeton, NJ 08540
Phone (609) 921-9437

419 N Harrison St
Ste 104
Princeton, NJ 08540
Phone (609) 921-9437

950 Hamilton St
Somerset, NJ 08873
Phone (732) 214-9128

840 Walnut St
Ste 1230
Philadelphia, PA 19107
Phone (215) 440-3160

840 Walnut St
Ste 920
Philadelphia, PA 19107
Phone (215) 928-3180

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
  • Direct secure messaging: rahul.tonk.p1@direct.willseye.nextgenshare.com
  • Direct secure messaging: rtonk@peg1970.srs-direct.com
  • Direct secure messaging: rtonk43785@direct.med.miami.edu

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1337212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1316207913",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "419 N HARRISON ST STE 104",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085403521",
            "telephone_number": "609-921-9437",
            "fax_number": "609-921-0277"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "419 N HARRISON ST",
            "city": "PRINCETON",
            "state": "NJ",
            "postal_code": "085403521",
            "telephone_number": "609-921-9437",
            "fax_number": "609-921-0277"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "950 Hamilton St",
            "address_purpose": "LOCATION",
            "city": "Somerset",
            "state": "NJ",
            "postal_code": "088733338",
            "country_code": "US",
            "telephone_number": "732-565-9550",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "298 Applegarth Rd",
            "address_purpose": "LOCATION",
            "city": "Monroe Township",
            "state": "NJ",
            "postal_code": "088313821",
            "country_code": "US",
            "telephone_number": "609-655-8808",
            "fax_number": "609-655-3685",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TONK",
        "first_name": "RAHUL",
        "middle_name": "SINGH",
        "name_prefix": "Dr.",
        "credential": "MD, MBA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-05-17",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NJ",
            "license": "25MA12402400",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "PA",
            "license": "MD492121C",
            "primary": false
        },
        {
            "code": "207WX0120X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Cornea and External Diseases Specialist",
            "state": "NJ",
            "license": "25MA12402400",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Princeton, NJ

Sources for this page

Verify at the official NPI Registry.