SANKAR NARAYAN NIRANJAN (MD) – Nephrology Physician, NPI 1497752802
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
204 NEPHROLOGY in CT
Provider Addresses for SANKAR NARAYAN NIRANJAN (MD)
35 Jolley Dr
Suite 203
Bloomfield, CT 060023062
Phone: (860) 769-9866
Fax: (860) 769-7300
Type: Location
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Location
35, Jolley Drive, Bloomfield, Hartford County, Connecticut, 06002, United States
SUITE 203
BLOOMFIELD, CT 060023062
Phone: (860) 769-9866
Fax: (860) 769-7300
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 23 Open Payments records for all available years, with a total value of $942.
Total Amount is formed as General ($942) + Research ($0) + Ownership ($0) = $942.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Amgen Inc. ($340).
Total Amount
$942
General + Research + Ownership
Payments
23
Total payment records
General Amount
$942
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $340 |
| Baxter Healthcare | $274 |
| AstraZeneca Pharmaceuticals LP | $64 |
| AKEBIA THERAPEUTICS INC | $49 |
| GlaxoSmithKline, LLC. | $28 |
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: 2025-01-16
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 |
|---|---|---|---|---|
| I20040629001205 | I | Nephrology | CT | TBD |
| I20250116002386 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 222 | 140 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 218 | 102 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 139 | 21 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 121 | 54 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 50 | 33 | $0 |
Insurance plans in this area (ZIP 06002)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | CT | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 48 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| Hematology/Oncology, Internal Medicine | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Plastic And Reconstructive Surgery | CA | |
| Anesthesiology, Pain Management | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Orthopedic Surgery | CA |
Reviews
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