Doctor profile · Federal record
Dr. Andrew Greenstone, PSY.D.
Psychologist (CMS: Clinical Psychologist) · Clinical Psychologist · Austin, TX
- NPI 1801817200
- Accepts Medicare
- 25 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
15112 Thatcher Dr
Austin, TX 787174629
(512) 964-9666
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- September 7, 2016
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 103T00000X — NUCC code
- State license (1)
- Texas #32122
- Medicaid
- TX #157123405
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801817200. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,070
Distinct HCPCS
5
Medicare allowed
$110,371
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90834 |
Psychotherapy, 45 minutes | 830 | 75 | $98 | |
90791 |
Psychiatric diagnostic evaluation | 72 | 71 | $147 | |
90834 |
Psychotherapy, 45 minutes | 65 | 43 | $86 | |
90791 |
Psychiatric diagnostic evaluation | 54 | 51 | $172 | |
90832 |
Psychotherapy, 30 minutes | 49 | 28 | $74 |
In context: peer comparison
Among 7 peers in Austin Psychologist, average services per provider: 110. This provider delivers 9.7× the peer median.Frequently asked questions
What is Dr. Andrew Greenstone's medical specialty?
Dr. Andrew Greenstone practices Psychologist in Austin, TX.
Where does Dr. Andrew Greenstone practice?
Dr. Andrew Greenstone practices at 15112 Thatcher Dr, Austin, TX 787174629. Office phone: 5129649666.
What is Dr. Andrew Greenstone's NPI?
Dr. Andrew Greenstone's National Provider Identifier (NPI) is 1801817200, issued by NPPES.
Does Dr. Andrew Greenstone accept Medicare assignment?
Yes. Dr. Andrew Greenstone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Greenstone commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.