MARK GREGORY MARRONE (MD) – Nephrology Physician, NPI 1003809575
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
434 NEPHROLOGY in MI
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Provider Addresses for MARK GREGORY MARRONE (MD)
Middlebelt Road, Livonia, Wayne County, Michigan, 48154, United States
LIVONIA, MI 481525007
Phone: (248) 478-1500
Fax: (248) 478-2798
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 86 Open Payments records for all available years, with a total value of $2,112.
Total Amount is formed as General ($2,112) + Research ($0) + Ownership ($0) = $2,112.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($342).
Total Amount
$2,112
General + Research + Ownership
Payments
86
Total payment records
General Amount
$2,112
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2005-04-12
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 |
|---|---|---|---|---|
| I20050412001294 | I | Nephrology | MI | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 554 | 208 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 430 | 62 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 316 | 112 | $0 |
| 99487 | Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month | 190 | 35 | $0 |
| 99489 | Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month | 175 | 35 | $0 |
Insurance plans in this area (ZIP 48152)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | MI | 81002 | Urinalysis, manual test | 44 | 25 |
| NEPHROLOGY | MI | 90935 | Hemodialysis procedure with one physician evaluation | 564 | 185 |
| NEPHROLOGY | MI | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 185 | 76 |
| NEPHROLOGY | MI | 90966 | Home dialysis services per month, patient 20 years of age or older | 38 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MI | |
| Nephrology, Internal Medicine | MI | |
| Family Practice | MI | |
| Family Practice | MI | |
| Nurse Practitioner | MI | |
| Internal Medicine | MI | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MI | |
| Internal Medicine | MI | |
| Nephrology, Internal Medicine | MI | |
| Internal Medicine | MI |
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