Doctor profile · Federal record
Dr. Nathan Thuma, M.D.
Psychiatry Physician (CMS: Psychiatry) · Angwin, CA
- NPI 1245316314
- Accepts Medicare
- 41 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
295 Pine Breeze Dr
Angwin, CA 945089620
(707) 965-2461
fax (707) 965-2700 - Mailing address
-
1030 Main St Ste 210
Saint Helena, CA 945742056
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 9, 2007
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #G58451
- Medicaid (2)
- CA #00G584512 · CA #00G584510
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1245316314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
187
Distinct HCPCS
3
Medicare allowed
$14,437
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 143 | 21 | $69 | |
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 30 | 11 | $81 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 14 | 14 | $155 |
In context: peer comparison
Among 1 peers in Angwin Psychiatry Physician, average services per provider: 62. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$1,340
Transactions
36
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) | 16 | $419.97 | |
| Neurocrine Biosciences, INC. | 11 | $330.25 | |
| Alkermes, INC. | 2 | $233.00 | |
| Otsuka America Pharmaceutical, INC. | 1 | $128.72 | |
| Vanda Pharmaceuticals INC. | 1 | $120.56 | |
| Abbvie INC. | 5 | $107.67 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,837
Patients
247
Total drug cost
$135,973
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clozapine | Generic | 446 | 27 | $18,990 |
| Clozapine Odt (Clozapine) | Brand | 192 | 12 | $64,068 |
| Lithium Carbonate | Generic | 161 | 23 | $1,780 |
| Haloperidol | Generic | 140 | 33 | $5,604 |
| Divalproex Sodium | Generic | 139 | 20 | $9,036 |
| Haloperidol Decanoate | Generic | 118 | 17 | $13,451 |
| Levothyroxine Sodium | Generic | 102 | 25 | $1,557 |
| Bupropion Xl (Bupropion Hcl) | Brand | 89 | 19 | $2,362 |
| Trazodone Hcl | Generic | 88 | 22 | $2,364 |
| Lamotrigine | Generic | 64 | 11 | $1,404 |
Frequently asked questions
What is Dr. Nathan Thuma's medical specialty?
Dr. Nathan Thuma practices Psychiatry Physician in Angwin, CA.
Where does Dr. Nathan Thuma practice?
Dr. Nathan Thuma practices at 295 Pine Breeze Dr, Angwin, CA 945089620. Office phone: 7079652461.
What is Dr. Nathan Thuma's NPI?
Dr. Nathan Thuma's National Provider Identifier (NPI) is 1245316314, issued by NPPES.
Does Dr. Nathan Thuma accept Medicare assignment?
Yes. Dr. Nathan Thuma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Thuma commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.