NATALIE RODZIEWICZ GUINN (M.D.) – Nephrology Physician, NPI 1235662305
Nephrology Physician
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Profile Insights
NPPES metrics only — not quality of care.
431 NEPHROLOGY in GA
Provider Addresses for NATALIE RODZIEWICZ GUINN (M.D.)
380 HOSPITAL DRIVE, SUITE 430
MACON, GA 31217
Phone: (478) 751-0181
Type: Mailing
2500 METROHEALTH DR
CLEVELAND, OH 441091900
Phone: (478) 751-0181
Type: Mailing
165 EMERY HWY STE 100
MACON, GA 312173613
Phone: (478) 741-2150
Type: Mailing
2400 BELLEVUE RD STE 29B
DUBLIN, GA 310212874
Phone: (478) 272-9688
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 67 Open Payments records for all available years, with a total value of $1,459.
Total Amount is formed as General ($1,459) + Research ($0) + Ownership ($0) = $1,459.
Last reported payment date: 2024-11-22 • Largest payer in this snapshot: Ardelyx, Inc. ($169).
Total Amount
$1,459
General + Research + Ownership
Payments
67
Total payment records
General Amount
$1,459
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ardelyx, Inc. | $169 |
| Aurinia Pharma U.S., Inc. | $168 |
| AstraZeneca Pharmaceuticals LP | $138 |
| Otsuka America Pharmaceutical, Inc. | $107 |
| Baxter Healthcare | $92 |
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: 2022-12-09
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 |
|---|---|---|---|---|
| I20221209000324 | I | Nephrology | GA | 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 |
|---|---|---|---|---|
| 81003 | Automated urinalysis test | 479 | 354 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 452 | 353 | $0 |
| 80069 | Kidney function blood test panel | 446 | 349 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 441 | 352 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 441 | 351 | $0 |
Insurance plans in this area (ZIP 31217)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | GA | |
| Nurse Practitioner | IL | |
| Nephrology, Internal Medicine | GA |
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