DR. RALPH EDWARD RETHERFORD (M.D.) – Family Medicine Physician, NPI 1801043799
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. RALPH EDWARD RETHERFORD (M.D.)
20405, Lyons Bald Mountain Road, Sonora, Tuolumne County, California, 95370, United States
SONORA, CA 953708780
Phone: (209) 588-1424
Fax: (209) 588-1521
Type: Location
PO BOX 4990
SONORA, CA 953701990
Phone: (209) 588-1424
Fax: (209) 588-1521
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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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.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-06-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080819000856 | I | Family Practice | CA | TBD |
| I20180604001256 | I | Family Practice | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 95370)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CA | |
| - | FL | |
| Nurse Practitioner | VA | |
| U R O L O G Y | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| - | CA |
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