Doctor profile · Federal record
Dr. Olga Segal, MD
Psychiatry Physician (CMS: Psychiatry) · Kelseyville, CA
- NPI 1821013764
- Accepts Medicare
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3455 Westridge Dr
Kelseyville, CA 954518227
(707) 279-2932
fax (707) 994-7096 - Mailing address
-
655 Redwood Hwy Frontage RD
Mill Valley, CA 949413055
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- May 6, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- California #A85774
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821013764. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,022
Distinct HCPCS
7
Medicare allowed
$316,790
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90868 |
Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management | 1,284 | 28 | $141 | |
90837 |
Psychotherapy, 1 hour | 482 | 42 | $164 | |
90869 |
Treatment using magnetic field to stimulate nerve cells in brain, subsequent motor threshold redetermination with delivery and management | 114 | 23 | $233 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 42 | 27 | $150 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 42 | 13 | $210 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 30 | 30 | $256 | |
90867 |
Treatment using magnetic field to stimulate nerve cells in brain, initial delivery and management | 28 | 24 | $249 |
In context: peer comparison
Among 1 peers in Kelseyville Psychiatry Physician, average services per provider: 288. This provider delivers 7.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
262
Patients
48
Total drug cost
$33,055
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lorazepam | Generic | 37 | 14 | $528 |
| Clonazepam | Generic | 29 | 11 | $182 |
| Spravato (Esketamine Hcl) | Brand | 27 | 0 | $26,750 |
| Alprazolam | Generic | 25 | 0 | $385 |
| Lamotrigine | Generic | 22 | 11 | $428 |
| Zolpidem Tartrate | Generic | 20 | 12 | $220 |
| Bupropion Xl (Bupropion Hcl) | Brand | 14 | 0 | $781 |
| Buspirone Hcl | Generic | 14 | 0 | $614 |
| Fluoxetine Hcl | Generic | 14 | 0 | $292 |
| Divalproex Sodium | Generic | 13 | 0 | $356 |
Frequently asked questions
What is Dr. Olga Segal's medical specialty?
Dr. Olga Segal practices Psychiatry Physician in Kelseyville, CA.
Where does Dr. Olga Segal practice?
Dr. Olga Segal practices at 3455 Westridge Dr, Kelseyville, CA 954518227. Office phone: 7072792932.
What is Dr. Olga Segal's NPI?
Dr. Olga Segal's National Provider Identifier (NPI) is 1821013764, issued by NPPES.
Does Dr. Olga Segal accept Medicare assignment?
Yes. Dr. Olga Segal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olga Segal commonly perform?
Top Medicare-reported procedures in 2023: Treatment using magnetic field to stimulate nerve cells in brain, subsequent delivery and management (HCPCS 90868); Psychotherapy (HCPCS 90837); Treatment using magnetic field to stimulate nerve cells in brain, subsequent motor threshold redetermination with delivery and management (HCPCS 90869). Source: CMS Medicare Physician & Other Practitioners file.