MARK A GRANNER (MD) – Epilepsy Physician, NPI 1528051653
Epilepsy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12 EPILEPTOLOGISTS in IA
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Provider Addresses for MARK A GRANNER (MD)
University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States
IOWA CITY, IA 522421009
Phone: (319) 356-7235
Fax: (319) 356-4905
Type: Mailing
500 E Market St
Iowa City, IA 522452633
Phone: (319) 339-3551
Fax: (319) 887-2847
Type: Location
701 W Forevergreen Rd
North Liberty, IA 523179848
Phone: (319) 356-2952
Fax: (319) 356-4505
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: 2010-03-09
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 |
|---|---|---|---|---|
| I20100309000464 | I | Epileptologists | IA | 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 |
|---|---|---|---|---|
| 95720 | Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 70 | 39 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 55 | 48 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 49 | 39 | $0 |
| 95970 | Electronic analysis of implanted brain, spinal cord, or peripheral neurostimulator generator | 19 | 16 | $0 |
| 95976 | Electronic analysis of neurostimulator generator with simple cranial nerve stimulator programming | 17 | 11 | $0 |
Insurance plans in this area (ZIP 52242)
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Group practice members
| Name | Specialty | State |
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| - | IA | |
| - | IA | |
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| - | CA | |
| O P H T H A L M O L O G Y | IA | |
| - | IA | |
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| - | CA | |
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