VISWANATHAN S IYER (MD) – Nephrology Physician, NPI 1871718338
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
9,967 INTERNAL MEDICINE in PA
Provider Addresses for VISWANATHAN S IYER (MD)
890 POPLAR CHURCH RD
MEDICAL ARTS BUILDING,SUITE 204B
CAMP HILL, PA 170112250
Phone: (717) 695-0394
Type: Mailing
PO BOX 3877
JOLIET, IL 604343877
Phone: (815) 714-7149
Type: Mailing
205 GRANDVIEW AVE STE 301
CAMP HILL, PA 170111704
Phone: (717) 695-0394
Fax: (717) 695-0398
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 104 Open Payments records for all available years, with a total value of $2,096.
Total Amount is formed as General ($2,096) + Research ($0) + Ownership ($0) = $2,096.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($303).
Total Amount
$2,096
General + Research + Ownership
Payments
104
Total payment records
General Amount
$2,096
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
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: 2021-12-23
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070614000292 | I | Nephrology | PA | TBD |
| I20211223000133 | I | Internal Medicine | CA | 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 |
|---|---|---|---|---|
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 653 | 104 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 472 | 225 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 412 | 101 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 370 | 104 | $0 |
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 340 | 99 | $0 |
Insurance plans in this area (ZIP 17011)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | PA | 90935 | Hemodialysis procedure with one physician evaluation | 483 | 89 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | PA | |
| Family Practice | PA | |
| - | PA | |
| Nurse Practitioner | PA | |
| - | PA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | PA | |
| - | TN | |
| Hospitalist, Internal Medicine | PA | |
| Internal Medicine | PA |
Reviews
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