DR. JOHN CHARDAVOYNE MD
NPI 1538206800
Psychiatry & Neurology - Psychiatry in Middletown, CT

NPI Status: Active since January 30, 2007

Contact Information

213 COURT ST FL 9
MIDDLETOWN, CT
ZIP 06457
Phone: (203) 204-8872
Fax: (305) 675-7742

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry
  • Accepts Insurance
  • PECOS Enrolled

About JOHN CHARDAVOYNE

This page provides the complete NPI Profile along with additional information for John Chardavoyne, a provider established in Middletown, Connecticut with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1538206800 assigned on January 2007. The practitioner's primary taxonomy code is 2084P0800X with license number 048541 (CT). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1538206800
Provider Name
DR. JOHN CHARDAVOYNE MD
Gender
Male
Entity Type
Individual
Location Address
213 COURT ST FL 9 MIDDLETOWN, CT 06457
Location Phone
(203) 204-8872
Location Fax
(305) 675-7742
Mailing Address
213 COURT ST FL 9 MIDDLETOWN, CT 06457
Mailing Phone
(203) 204-8872
Mailing Fax
(305) 675-7742
Is Sole Proprietor?
No
Enumeration Date
01-30-2007
Last Update Date
11-26-2025
Code Navigator

A psychiatrist like John Chardavoyne are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

Location Map

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 Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
048541
License State
CT
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • BlueOptions Bronze (HSA) 24J01-10 (Rewards / $4 Condition Care Rx) - PPO
  • BlueOptions Bronze 24J01-04 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - PPO
  • BlueOptions Bronze 24J01-06 (Rewards) - PPO
  • BlueOptions Bronze 24J01-17 ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Bronze 24J01-18S ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Gold 24J01-09 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - PPO
  • BlueOptions Gold 24J01-12 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) - PPO
  • BlueOptions Gold 24J01-20S ($30 PCP Visits / $60 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-05 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-08 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - PPO
  • BlueOptions Platinum 24J01-21S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) - PPO
  • BlueOptions Silver 24J01-03 ($10 Labs / Rewards) - PPO
  • BlueOptions Silver 24J01-07 ($50 PCP Visits / Rewards) - PPO
  • BlueOptions Silver 24J01-19S ($40 PCP Visits / $80 Specialist Visits / Rewards) - PPO
  • BlueSelect Bronze (HSA) 1735 (Rewards / $4 Condition Care Rx) - EPO
  • BlueSelect Bronze 1449 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - EPO
  • BlueSelect Bronze 2139 ($50 PCP Visits / Rewards) - EPO
  • BlueSelect Bronze 2139E ($50 PCP Visits / Adult Dental & Vision / Rewards) - EPO
  • BlueSelect Bronze 2139V ($50 PCP Visits / Adult Vision / Rewards) - EPO
  • BlueSelect Bronze 2342S ($50 PCP Visits / Rewards) - EPO
  • BlueCare Bronze (HSA) 24K01-09 (Rewards / $4 Condition Care Rx) - POS
  • BlueCare Bronze 24K01-03 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K01-05 (Rewards) - POS
  • BlueCare Bronze 24K01-25 ($50 PCP Visits / $75 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K01-31S ($50 PCP Visits / Rewards) - POS
  • BlueCare Bronze 24K02-17 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K02-18 (Rewards) - POS
  • BlueCare Bronze 24K02-23 ($50 PCP Visits / $75 Specialist Visits / Rewards) - POS
  • BlueCare Bronze 24K02-26S ($50 PCP Visits / Rewards) - POS
  • BlueCare Gold 24K01-08 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - POS
  • BlueCare Gold 24K01-10 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) - POS
  • BlueCare Gold 24K01-33S ($30 PCP Visits / $60 Specialist Visits / Rewards) - POS
  • BlueCare Gold 24K02-20 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) - POS
  • BlueCare Gold 24K02-28S ($30 PCP Visits / $60 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K01-04 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K01-07 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K01-34S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K02-15 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) - POS
  • BlueCare Platinum 24K02-29S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) - POS
  • BlueCare Silver 24K01-02 ($10 Labs / Rewards) - POS

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

John Chardavoyne 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, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 40 times for 16 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 76 times for 26 patients

Group psychotherapy

Group psychotherapy involves individuals discussing their issues in a group setting, led by a professional therapist. It provides a supportive environment where members can learn from each other's experiences, gain different perspectives, and develop new ways to handle challenges.

This service was performed 36 times for 16 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 32 times for 32 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 12 times for 12 patients

Psychotherapy, 30 minutes

Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.

This service was performed 22 times for 12 patients

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 06457 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $183.1
  • Minimum New Patient Price $60.82
  • Maximum New Patient Price $183.1
  • Average New Patient Copayment $45.77
  • 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 99213

  • Average Established Patient Price $75.55
  • Minimum Established Patient Price $19.76
  • Maximum Established Patient Price $149.26
  • Average Established Patient Copayment $18.88
  • 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 1538206800, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 4 + 0 + 1 + 2 + 8 + 0 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1538206800.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538206800, enumerated as an "individual" on January 30, 2007.

The provider is located at 213 COURT ST FL 9 MIDDLETOWN, CT 06457 and the phone number is (203) 204-8872.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

The provider might be accepting Accepts: Florida Blue (BlueCross BlueShield FL) and Florida. Please consult your insurance carrier or call the provider to verify.