DR. ANGELA MARK (MD) – Neurology Physician, NPI 1225155955
Neurology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,188 NEUROLOGY in IL
Provider Addresses for DR. ANGELA MARK (MD)
1725 W HARRISON ST
SUITE 1118
CHICAGO, IL 606123841
Phone: (312) 942-6121
Fax: (312) 942-2380
Type: Mailing
2650 RIDGE AVE STE 1223
EVANSTON, IL 602011700
Phone: (847) 570-2040
Type: Mailing
1000 CENTRAL ST STE 880
EVANSTON, IL 602011780
Phone: (847) 570-2570
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.
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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: 2010-10-28
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 |
|---|---|---|---|---|
| I20101028001408 | I | Neurology | 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 |
|---|---|---|---|---|
| G0453 | Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) | 452 | 54 | $0 |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 186 | 100 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 60 | 52 | $0 |
| 95938 | Placement of skin electrodes and measurement of stimulated sites on arms and legs | 52 | 52 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 50 | 48 | $0 |
Insurance plans in this area (ZIP 60612)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | IL | 95819 | Measurement and recording of brain wave (EEG) activity, awake and asleep | 37 | 37 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| N E U R O L O G Y | IL | |
| Hospitalist, Internal Medicine | IL | |
| O P H T H A L M O L O G Y | IL | |
| - | IL | |
| E N D O C R I N O L O G Y | IL | |
| Cardiovascular Disease (Cardiology), Interventional Cardiology | IL | |
| Clinical Social Worker | IL | |
| Certified Nurse Midwife (Cnm) | IL |
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