Doctor profile · Federal record
Dr. Barbara Ammon, PH.D.
Clinical Psychologist · Diamond Bar, CA
- NPI 1588749915
- Accepts Medicare
- 38 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
750 N Diamond Bar Blvd, Suite 204
Diamond Bar, CA 917651023
(909) 396-7715
fax (909) 396-7701
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- September 23, 2009
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- California #PSY11667
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588749915. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
262
Distinct HCPCS
1
Medicare allowed
$38,470
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 262 | 12 | $147 |
In context: peer comparison
Among 1 peers in Diamond Bar Clinical Psychologist, average services per provider: 262. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Barbara Ammon's medical specialty?
Dr. Barbara Ammon practices Clinical Psychologist in Diamond Bar, CA.
Where does Dr. Barbara Ammon practice?
Dr. Barbara Ammon practices at 750 N Diamond Bar Blvd, Diamond Bar, CA 917651023. Office phone: 9093967715.
What is Dr. Barbara Ammon's NPI?
Dr. Barbara Ammon's National Provider Identifier (NPI) is 1588749915, issued by NPPES.
Does Dr. Barbara Ammon accept Medicare assignment?
Yes. Dr. Barbara Ammon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barbara Ammon commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.