BARBARA A CLARK (MD) – Nephrology Physician, NPI 1245230663
Nephrology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
738 NEPHROLOGY in PA
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Provider Addresses for BARBARA A CLARK (MD)
East North Avenue, East Allegheny, Pittsburgh, Allegheny County, Pennsylvania, 15212, United States
PITTSBURGH, PA 152124756
Phone: (412) 359-3319
Fax: (412) 359-4136
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 3 Open Payments records for all available years, with a total value of $153.
Total Amount is formed as General ($153) + Research ($0) + Ownership ($0) = $153.
Last reported payment date: 2024-11-07 • Largest payer in this snapshot: Vifor Pharma, Inc. ($107).
Total Amount
$153
General + Research + Ownership
Payments
3
Total payment records
General Amount
$153
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Vifor Pharma, Inc. | $107 |
| Aurinia Pharma U.S., Inc. | $46 |
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: 2005-05-04
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 |
|---|---|---|---|---|
| I20050504000304 | I | Nephrology | PA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 96 | 70 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 76 | 17 | $0 |
| 81002 | Urinalysis, manual test | 14 | 11 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 15212)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | PA | |
| Radiation Oncology | PA | |
| Nurse Practitioner | PA | |
| Nurse Practitioner | PA | |
| Critical Care (Intensivists), General Surgery | PA | |
| Physician Assistant | PA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| A N E S T H E S I O L O G Y | PA | |
| - | PA | |
| - | PA |
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