MR. THOMAS MARK – Physician Assistant, NPI 1255577649
Physician Assistant
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,035 PHYSICIAN ASSISTANT in IL
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Provider Addresses for MR. THOMAS MARK
370, Summit Street, Elgin, Kane County, Illinois, 60120, United States
ELGIN, IL 601203843
Phone: (847) 608-1344
Type: Location
172, Lakeside Drive, St. Charles, St. Charles Township, Kane County, Illinois, 60174, United States
APT. 1916
ST CHARLES, IL 601747940
Phone:
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: 2015-03-06
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 |
|---|---|---|---|---|
| I20150306001833 | I | Physician Assistant | IL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 224 | 161 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 166 | 136 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 25 | 25 | $0 |
| 99495 | Transitional care management services for problem of at least moderate complexity | 12 | 12 | $0 |
Insurance plans in this area (ZIP 60120)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | IL | 90670 | Pneumococcal vaccine for injection into muscle | 13 | 13 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| - | IL | |
| - | IL | |
| - | IN | |
| Nurse Practitioner | IL | |
| - | IL | |
| Internal Medicine | IL | |
| - | IL | |
| - | IL | |
| General Surgery | IL |
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