Doctor profile · Federal record
Dr. Chandan Nayak, MD
Psychiatry Physician (CMS: Psychiatry) · Tucson, AZ
- NPI 1538204987
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3110 N Swan RD
Tucson, AZ 857121227
(520) 780-8413 - Additional location
-
1376 Summit Avenue, Court D, Unit 5B
Oakbrook Terrace, IL 601813985
(630) 629-6550
fax (630) 629-6558
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- July 10, 2025
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Arizona #63889
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538204987. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
360
Distinct HCPCS
4
Medicare allowed
$44,447
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 173 | 72 | $100 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 101 | 61 | $152 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 56 | 55 | $178 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 30 | 17 | $63 |
In context: peer comparison
Among 29 peers in Tucson Psychiatry Physician, average services per provider: 147. This provider delivers 2.4× the peer median.Open Payments
Industry payments received
All-time total
$445
Transactions
11
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 4 | $173.70 | |
| Axsome Therapeutics, INC. | 2 | $144.84 | |
| Teva Pharmaceuticals USA, INC. | 2 | $54.98 | |
| Janssen Pharmaceuticals, INC | 2 | $53.13 | |
| Almatica Pharma LLC | 1 | $18.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,595
Patients
181
Total drug cost
$51,448
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Risperidone | Generic | 184 | 22 | $2,379 |
| Escitalopram Oxalate | Generic | 179 | 31 | $3,241 |
| Aripiprazole | Generic | 160 | 31 | $15,996 |
| Quetiapine Fumarate | Generic | 160 | 19 | $4,639 |
| Sertraline Hcl | Generic | 152 | 17 | $1,472 |
| Fluoxetine Hcl | Generic | 125 | 24 | $2,207 |
| Clozapine | Generic | 112 | 0 | $8,366 |
| Lamotrigine | Generic | 82 | 0 | $859 |
| Clonazepam | Generic | 81 | 15 | $530 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 72 | 0 | $2,727 |
Frequently asked questions
What is Dr. Chandan Nayak's medical specialty?
Dr. Chandan Nayak practices Psychiatry Physician in Tucson, AZ.
Where does Dr. Chandan Nayak practice?
Dr. Chandan Nayak practices at 3110 N Swan RD, Tucson, AZ 857121227. Office phone: 5207808413.
What is Dr. Chandan Nayak's NPI?
Dr. Chandan Nayak's National Provider Identifier (NPI) is 1538204987, issued by NPPES.
Does Dr. Chandan Nayak accept Medicare assignment?
Dr. Chandan Nayak does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Chandan Nayak 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 99215); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.