Doctor profile · Federal record
Dr. Martha Davis, PHD
Clinical Psychologist · Des Moines, WA
- NPI 1104891977
- Accepts Medicare
- 38 yrs in practice
- Female
- No sanctions
Practice & contact
- Primary practice
-
22517 7Th Ave S
Des Moines, WA 981986820
(206) 870-9051
fax (206) 870-9081
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 103TC0700X — NUCC code
- State license (1)
- Washington #1558
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104891977. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
423
Distinct HCPCS
2
Medicare allowed
$65,985
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 412 | 37 | $155 | |
90791 |
Psychiatric diagnostic evaluation | 11 | 11 | $185 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 211. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Martha Davis's medical specialty?
Dr. Martha Davis practices Clinical Psychologist in Des Moines, WA.
Where does Dr. Martha Davis practice?
Dr. Martha Davis practices at 22517 7Th Ave S, Des Moines, WA 981986820. Office phone: 2068709051.
What is Dr. Martha Davis's NPI?
Dr. Martha Davis's National Provider Identifier (NPI) is 1104891977, issued by NPPES.
Does Dr. Martha Davis accept Medicare assignment?
Yes. Dr. Martha Davis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martha Davis commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.