MR. MARK WILLIAMS (PA) – Physician Assistant, NPI 1265742662
Physician Assistant
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,876 PHYSICIAN ASSISTANT in OR
Provider Addresses for MR. MARK WILLIAMS (PA)
2620 EAST BARNETT ROAD
SUITE H
MEDFORD, OR 975048383
Phone: (541) 789-4281
Fax: (541) 789-5538
Type: Mailing
691 MURPHY ROAD
SUITE 107
MEDFORD, OR 975048383
Phone: (541) 789-6460
Fax: (541) 789-6461
Type: Location
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: 2011-11-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20111110000059 | I | Physician Assistant | OR | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 339 | 235 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 126 | 101 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 94 | 83 | $0 |
| 99495 | Transitional care management services for problem of at least moderate complexity | 15 | 15 | $0 |
| 81003 | Automated urinalysis test | 12 | 11 | $0 |
Insurance plans in this area (ZIP 97504)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| - | OR | |
| - | OR | |
| Internal Medicine, Critical Care (Intensivists) | OR | |
| - | OR | |
| Nurse Practitioner | OR | |
| - | OR | |
| Infectious Disease | NY | |
| Internal Medicine | OR | |
| - | OR |
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