RAM MOHAN SUBRAMANIAN (M.D.) – Hepatology Physician, NPI 1538380464
Hepatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,405 INTERNAL MEDICINE in GA
Provider Addresses for RAM MOHAN SUBRAMANIAN (M.D.)
701 S WELLS ST
APT 2504
CHICAGO, IL 606074640
Phone: (312) 427-3974
Type: Mailing
1365 CLIFTON RD NE BLDG B-1
ATLANTA, GA 303221059
Phone: (404) 778-3184
Fax: (404) 778-2350
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 30 Open Payments records for all available years, with a total value of $71,492.
Total Amount is formed as General ($71,492) + Research ($0) + Ownership ($0) = $71,492.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Baxter Healthcare ($58,222).
Total Amount
$71,492
General + Research + Ownership
Payments
30
Total payment records
General Amount
$71,492
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Baxter Healthcare | $58,222 |
| Mallinckrodt Hospital Products Inc. | $8,331 |
| ORPHALAN INC | $2,800 |
| TRANSMEDICS, INC. | $2,063 |
| AstraZeneca Pharmaceuticals LP | $75 |
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: 2007-09-26
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 |
|---|---|---|---|---|
| I20070926000897 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 122 | 38 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 33 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 12 | 11 | $0 |
Insurance plans in this area (ZIP 60607)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| Internal Medicine | GA | |
| Physician Assistant | FL | |
| Interventional Radiology, Diagnostic Radiology | KY | |
| Anesthesiology Assistant | GA | |
| - | CA | |
| D E R M A T O L O G Y | GA | |
| Interventional Radiology, Diagnostic Radiology | NC | |
| Physician Assistant | GA | |
| - | GA |
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