DR. JOHN TOKSOY M. D.
NPI 1396773511
Internal Medicine in New Haven, CT

Active since June 28, 2006PECOS Enrolled
73.56/100
CMS Quality Rating
55 LOCK STREET, NEW HAVEN, CT 06520(203) 432-0076(203) 432-7289 Get Directions Write a Review

NPPES record last updated: February 25, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. John Toksoy M. D. NPPES

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

DR. JOHN TOKSOY M. D. (NPI 1396773511) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (038460) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396773511
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN TOKSOYCredential: M. D.
Location Address55 LOCK STREETNew Haven, CT 06520-8237
Mailing AddressPo Box 208237, 55 Lock StreetNew Haven, CT 06520-8237 · (203) 432-0076 · Fax (203) 432-7289
Fax(203) 432-7289
Sole ProprietorNo
Enumeration DateJune 28, 2006
Last NPPES UpdateFebruary 25, 2011
NPI 1396773511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CT · 038460
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.

55 LOCK STREET, New Haven, CT 06520

Other Identifiers 1

Medicare UPINH17479CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. John Toksoy M. D. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06520 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
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.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

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.

Clinical Nurse Specialist (Oncology)
55 LOCK STREET
NEW HAVEN, CT 06520
Ophthalmology
55 LOCK STREET
NEW HAVEN, CT 06520
Obstetrics & Gynecology
55 LOCK STREET
NEW HAVEN, CT 06520
Family Medicine
55 LOCK STREET
NEW HAVEN, CT 06520
Internal Medicine
55 LOCK STREET
NEW HAVEN, CT 06520
Family Medicine (Adult Medicine)
55 LOCK STREET
NEW HAVEN, CT 06520
Physician Assistant
55 LOCK STREET
NEW HAVEN, CT 06520
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 LOCK STREET, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06520

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 John Toksoy's NPI number?

The NPI number for John Toksoy is 1396773511. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is John Toksoy located?

John Toksoy practices at 55 Lock Street, New Haven, CT 06520. The listed phone number is (203) 432-0076.

What is John Toksoy's specialty?

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

Is John Toksoy enrolled in Medicare?

Yes. John Toksoy is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Toksoy was last updated on February 25, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.