Doctor profile · Federal record
Dr. Ashley Mason, PHD
Clinical Psychologist · San Francisco, CA
- NPI 1578011375
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
401 Parnassus Ave, UCSF Langley Porter Psychiatric Institute
San Francisco, CA 941432211
(415) 514-6820
Credentials & registration
- NPI registered
- September 2016 — 10 yrs on file
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- California #26991
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578011375. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
88
Distinct HCPCS
3
Medicare allowed
$5,802
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90853 |
Group psychotherapy | 60 | 13 | $26 | |
90837 |
Psychotherapy, 1 hour | 15 | 13 | $142 | |
90791 |
Psychiatric diagnostic evaluation | 13 | 12 | $165 |
In context: peer comparison
Among 17 peers in San Francisco Clinical Psychologist, average services per provider: 267. This provider delivers 0.3× the peer median.Frequently asked questions
What is Dr. Ashley Mason's medical specialty?
Dr. Ashley Mason practices Clinical Psychologist in San Francisco, CA.
Where does Dr. Ashley Mason practice?
Dr. Ashley Mason practices at 401 Parnassus Ave, San Francisco, CA 941432211. Office phone: 4155146820.
What is Dr. Ashley Mason's NPI?
Dr. Ashley Mason's National Provider Identifier (NPI) is 1578011375, issued by NPPES.
Does Dr. Ashley Mason accept Medicare assignment?
Yes. Dr. Ashley Mason accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Mason commonly perform?
Top Medicare-reported procedures in 2023: Group psychotherapy (HCPCS 90853); Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.