DR. SITHARAM CHOWDARY NANDIGAM (MD) – Nephrology Physician, NPI 1003096793
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
431 NEPHROLOGY in GA
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Provider Addresses for DR. SITHARAM CHOWDARY NANDIGAM (MD)
PO BOX 1157
COVINGTON, GA 300151157
Phone: (678) 413-3261
Fax: (678) 413-3580
Type: Mailing
1612, Milstead Road Northeast, Conyers, Rockdale County, Georgia, 30012, United States
SUITE A
CONYERS, GA 300123738
Phone: (678) 413-3261
Fax: (678) 413-3580
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $211.
Total Amount is formed as General ($211) + Research ($0) + Ownership ($0) = $211.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($60).
Total Amount
$211
General + Research + Ownership
Payments
14
Total payment records
General Amount
$211
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
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: 2011-06-23
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 |
|---|---|---|---|---|
| I20110623000363 | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 354 | 136 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 298 | 161 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 198 | 73 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 132 | 69 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 107 | 94 | $0 |
Insurance plans in this area (ZIP 30015)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEPHROLOGY | GA | 90935 | Hemodialysis procedure with one physician evaluation | 34 | 21 |
| NEPHROLOGY | GA | 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 199 | 140 |
| NEPHROLOGY | GA | 90966 | Home dialysis services per month, patient 20 years of age or older | 104 | 34 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | GA | |
| N E P H R O L O G Y | GA | |
| Nephrology, Internal Medicine | NY |
Reviews
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