Doctor profile · Federal record
Dr. Rangsun Sitthichai, M.D.
Child & Adolescent Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Worcester, MA
- NPI 1427259712
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 Century Dr
Worcester, MA 016061244
(774) 442-2263 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- April 12, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 2084P0804X — NUCC code
- State license (1)
- Massachusetts #245861
- Medicaid
- MA #110104388A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427259712. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
621
Distinct HCPCS
5
Medicare allowed
$59,256
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 243 | 35 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 236 | 55 | $102 | |
90837 |
Psychotherapy, 1 hour | 53 | 17 | $134 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 48 | 27 | $68 | |
90832 |
Psychotherapy, 30 minutes | 41 | 13 | $68 |
In context: peer comparison
Among 1 peers in Worcester Child & Adolescent Psychiatry Physician, average services per provider: 124. This provider delivers 5.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,365
Patients
174
Total drug cost
$37,293
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Risperidone | Generic | 142 | 18 | $2,404 |
| Bupropion Xl (Bupropion Hcl) | Brand | 121 | 17 | $2,610 |
| Clonazepam | Generic | 118 | 14 | $1,476 |
| Sertraline Hcl | Generic | 109 | 17 | $1,372 |
| Trazodone Hcl | Generic | 106 | 21 | $1,484 |
| Olanzapine | Generic | 104 | 12 | $7,655 |
| Benztropine Mesylate | Generic | 95 | 11 | $1,457 |
| Clonidine Hcl | Generic | 91 | 14 | $683 |
| Fluoxetine Hcl | Generic | 91 | 14 | $1,005 |
| Aripiprazole | Generic | 84 | 15 | $8,422 |
Frequently asked questions
What is Dr. Rangsun Sitthichai's medical specialty?
Dr. Rangsun Sitthichai practices Child & Adolescent Psychiatry Physician in Worcester, MA.
Where does Dr. Rangsun Sitthichai practice?
Dr. Rangsun Sitthichai practices at 100 Century Dr, Worcester, MA 016061244. Office phone: 7744422263.
What is Dr. Rangsun Sitthichai's NPI?
Dr. Rangsun Sitthichai's National Provider Identifier (NPI) is 1427259712, issued by NPPES.
Does Dr. Rangsun Sitthichai accept Medicare assignment?
Yes. Dr. Rangsun Sitthichai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rangsun Sitthichai commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.