DAVID JOHNSTON (PH.D) – Clinical Psychologist, NPI 1346308491
Preparing for Medicare enrollment?
Use our CMS-855 prep checklist: which form applies (855I, 855O, or 855A), readiness score, NPPES field map, and Section 12 documents. Reassignment uses CMS-855I Section 4F—not the discontinued CMS-855R form.
Open Medicare 855 Prep tool →Clinical Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DAVID JOHNSTON (PH.D)
2901 Park Ave Ste A3
Soquel, CA 950732831
Phone: (831) 423-9444
Type: Location
208, Walnut Hill Road, Walnut Hill, Cumberland County, Maine, 04097, United States
SANTA CRUZ, CA 950603929
Phone: (831) 423-9444
Type: Location
624, Atri Court, Watsonville, Santa Cruz County, California, 95076, United States
WATSONVILLE, CA 950763639
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
No Medicare enrollment or revalidation data available for this provider in our database.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 90837 | Psychotherapy, 1 hour | 608 | 20 | $0 |
Insurance plans in this area (ZIP 95073)
Loading plans...
Group practice members
- 1
- 2
| Name | Specialty | State |
|---|---|---|
| Clinical Social Worker | CA | |
| Marriage And Family Therapist | CA | |
| Marriage And Family Therapist | CA | |
| Marriage And Family Therapist | CA | |
| Marriage And Family Therapist | CA | |
| - | CA | |
| - | CA | |
| Marriage And Family Therapist | CA | |
| Marriage And Family Therapist | CA | |
| - | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.