ETHAN C MANDELKERN – Clinical Social Worker, NPI 1023224623
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 Social Worker
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for ETHAN C MANDELKERN
419 CHESTNUT ST
SUITE #2
MOUNT SHASTA, CA 960672918
Phone: (530) 918-8348
Fax: (530) 918-5477
Type: Mailing
301, Chestnut Street, Mount Shasta, Siskiyou County, California, 96067, United States
MOUNT SHASTA, CA 960672214
Phone: (530) 918-8348
Fax: (530) 926-2305
Type: Location
Mount Shasta Post Office, 301, South Mount Shasta Boulevard, Mount Shasta, Siskiyou County, California, 96067, United States
MOUNT SHASTA, CA 960671087
Phone: (530) 918-8348
Fax: (530) 926-2305
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 | 161 | 12 | $0 |
Insurance plans in this area (ZIP 96067)
Loading plans...
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.