DR. CORINNE GUILDAY PSYD
NPI 1861381907
Psychiatry & Neurology - Neurology in New Haven, CT

NPI Status: Active since July 02, 2025

Contact Information

15 YORK ST
NEW HAVEN, CT
ZIP 06510
Phone: (203) 785-6368

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  • Individual
  • Female
  • Psychiatry & Neurology
  • Neurology
  • PECOS Enrolled

About CORINNE GUILDAY

This page provides the complete NPI Profile along with additional information for Corinne Guilday, a provider established in New Haven, Connecticut with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1861381907 assigned on July 2025. The practitioner's primary taxonomy code is 2084N0400X with license number 5132 (CT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1861381907
Provider Name
DR. CORINNE GUILDAY PSYD
Gender
Female
Entity Type
Individual
Location Address
15 YORK ST NEW HAVEN, CT 06510
Location Phone
(203) 785-6368
Mailing Address
15 YORK ST NEW HAVEN, CT 06510
Mailing Phone
(608) 449-5136
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
07-02-2025
Last Update Date
07-02-2025
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
5132
License State
CT
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Medicare Participation & PECOS Enrollment Status

Corinne Guilday is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 06510 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $138.84
  • Minimum New Patient Price $60.82
  • Maximum New Patient Price $183.1
  • Average New Patient Copayment $34.71
  • Minimum New Patient Copayment $15.2
  • Maximum New Patient Copayment $45.77

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $106.68
  • Minimum Established Patient Price $19.76
  • Maximum Established Patient Price $149.26
  • Average Established Patient Copayment $26.67
  • Minimum Established Patient Copayment $4.94
  • Maximum Established Patient Copayment $37.31

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1861381907, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 3 → 6 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 2 + 1 + 6 + 8 + 2 + 9 + 0 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1861381907.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Radiation Oncology)
15 YORK ST, HUNTER BUILDING, 1ST FL
NEW HAVEN, CT 06510
Radiology (Radiation Oncology)
15 YORK ST, HUNTER BUILDING, 1ST FL
NEW HAVEN, CT 06510
Radiology (Radiation Oncology)
15 YORK ST, HUNTER BUILDIGN
NEW HAVEN, CT 06510
Radiology (Radiation Oncology)
15 YORK ST, HUNTER BUILDING, 1ST FLOOR
NEW HAVEN, CT 06510
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
Physician Assistant
15 YORK ST
NEW HAVEN, CT 06510
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
Nurse Practitioner
15 YORK ST, NATHAN SMITH CLINIC
NEW HAVEN, CT 06510
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
Dermatology
15 YORK ST
NEW HAVEN, CT 06510
Dermatology
15 YORK ST, DERMATOLOGY, LCI ROOM 609
NEW HAVEN, CT 06510
Pediatrics
15 YORK ST, DCB - 14A, DEPT. OF PEDIATRICS
NEW HAVEN, CT 06510
Internal Medicine (Rheumatology)
15 YORK ST, NATHAN SMITH CLINIC
NEW HAVEN, CT 06510
Radiology (Radiation Oncology)
15 YORK ST, HUNTER BUILDING - 1ST FLOOR
NEW HAVEN, CT 06510
Internal Medicine (Infectious Disease)
15 YORK ST, NATHAN SMITH BUILDING
NEW HAVEN, CT 06510
Dermatology
15 YORK ST, LMP 5031
NEW HAVEN, CT 06510
Internal Medicine
15 YORK ST, NATHAN SMITH CLINIC
NEW HAVEN, CT 06510
Internal Medicine (Infectious Disease)
15 YORK ST
NEW HAVEN, CT 06510

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861381907, enumerated as an "individual" on July 02, 2025.

The provider is located at 15 YORK ST NEW HAVEN, CT 06510 and the phone number is (203) 785-6368.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.