Doctor profile · Federal record
Dr. John Chardavoyne, MD
Psychiatry Physician · Middletown, CT
- NPI 1538206800
- 19 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
213 Court St Fl 9
Middletown, CT 064573346
(203) 204-8872
fax (305) 675-7742
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- November 26, 2025
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Connecticut #048541
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538206800. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
105
Distinct HCPCS
2
Medicare allowed
$9,632
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 78 | 22 | $99 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 13 | $70 |
In context: peer comparison
Among 5 peers in Middletown Psychiatry Physician, average services per provider: 96. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
62
Patients
0
Total drug cost
$13,730
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 36 | 0 | $5,896 |
| Gabapentin | Generic | 15 | 0 | $446 |
| Suboxone (Buprenorphine Hcl/Naloxone Hcl) | Brand | 11 | 0 | $7,387 |
Frequently asked questions
What is Dr. John Chardavoyne's medical specialty?
Dr. John Chardavoyne practices Psychiatry Physician in Middletown, CT.
Where does Dr. John Chardavoyne practice?
Dr. John Chardavoyne practices at 213 Court St Fl 9, Middletown, CT 064573346. Office phone: 2032048872.
What is Dr. John Chardavoyne's NPI?
Dr. John Chardavoyne's National Provider Identifier (NPI) is 1538206800, issued by NPPES.
What procedures does Dr. John Chardavoyne commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.