MICHAEL H FRETZIN (MD) – Procedural Dermatology Physician, NPI 1134118987
Procedural Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
703 DERMATOLOGY in IL
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Provider Addresses for MICHAEL H FRETZIN (MD)
West Lake Cook Road, Buffalo Grove, Wheeling Township, Cook County, Illinois, 60089, United States
SUITE 110
BUFFALO GROVE, IL 600892089
Phone: (847) 459-6611
Fax: (847) 459-7929
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)
CMS reports 380 Open Payments records for all available years, with a total value of $8,254.
Total Amount is formed as General ($8,254) + Research ($0) + Ownership ($0) = $8,254.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($1,260).
Total Amount
$8,254
General + Research + Ownership
Payments
380
Total payment records
General Amount
$8,254
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,260 |
| Lilly USA, LLC | $1,043 |
| UCB, Inc. | $951 |
| GENZYME CORPORATION | $943 |
| Regeneron Healthcare Solutions, Inc. | $411 |
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: 2005-10-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-12-31 (890 days ago).
Enrollment records
1
Earliest due date
2023-12-31
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 |
|---|---|---|---|---|
| I20051026000518 | I | Dermatology | IL | 2023-12-31 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 3,512 | 534 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,418 | 1,030 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 1,096 | 609 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 882 | 686 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 595 | 524 | $0 |
Insurance plans in this area (ZIP 60089)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | IL | 11101 | Biopsy of each additional growth of skin and/or tissue | 228 | 148 |
| DERMATOLOGY | IL | 17003 | Destruction of 2-14 skin growths | 3798 | 446 |
| DERMATOLOGY | IL | 88304 | Pathology examination of tissue using a microscope, moderately low complexity | 17 | 16 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| Physician Assistant | IL | |
| D E R M A T O L O G Y | IL | |
| D E R M A T O L O G Y | IL | |
| D E R M A T O L O G Y | IL |
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