MARK ALAN SHEAMAN (PAC) – Physician Assistant, NPI 1417911181
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,797 PHYSICIAN ASSISTANT in OK
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Provider Addresses for MARK ALAN SHEAMAN (PAC)
2002, 12th Avenue Northwest, Ardmore, Carter County, Oklahoma, 73401, United States
SUITE B
ARDMORE, OK 734011206
Phone: (580) 223-4795
Fax: (580) 223-5184
Mailing address matches the actual address.
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: 2010-08-20
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 |
|---|---|---|---|---|
| I20100820000229 | I | Physician Assistant | OK | 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 |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 2,163 | 195 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 491 | 246 | $0 |
| J1885 | Injection, ketorolac tromethamine, per 15 mg | 280 | 57 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 264 | 171 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 165 | 112 | $0 |
Insurance plans in this area (ZIP 73401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OK | |
| Physical Therapist In Private Practice | OK |
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