DR. PRABHA RANGANATHAN (MD) – Rheumatology Physician, NPI 1003832304
Rheumatology Physician
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Profile Insights
NPPES metrics only — not quality of care.
152 RHEUMATOLOGY in MO
Provider Addresses for DR. PRABHA RANGANATHAN (MD)
915 N Grand Blvd
Saint Louis, MO 631061621
Phone: (314) 452-4100
Type: Location
4921 PARKVIEW PL STE 5C
SAINT LOUIS, MO 631101032
Phone: (314) 286-2635
Fax: (314) 286-2338
Type: Mailing
4921 PARKVIEW PL
DIV IM RHEUMATOLOGY, STE 5C
SAINT LOUIS, MO 631101032
Phone: (314) 286-2635
Fax: (314) 286-2338
Type: Location
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
CB 8045
SAINT LOUIS, MO 631101010
Phone: (314) 286-2635
Fax: (314) 286-2338
Type: Mailing
Parkview Place, Central West End, St. Louis, Missouri, 63110, United States
5TH FL
SAINT LOUIS, MO 631101032
Phone: (314) 286-2635
Fax: (314) 286-2338
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $1,918.
Total Amount is formed as General ($1,918) + Research ($0) + Ownership ($0) = $1,918.
Last reported payment date: 2024-10-08 • Largest payer in this snapshot: Amgen Inc. ($1,509).
Total Amount
$1,918
General + Research + Ownership
Payments
15
Total payment records
General Amount
$1,918
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $1,509 |
| AstraZeneca Pharmaceuticals LP | $107 |
| GlaxoSmithKline, LLC. | $100 |
| PFIZER INC. | $64 |
| E.R. Squibb & Sons, L.L.C. | $59 |
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: 2010-08-18
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 |
|---|---|---|---|---|
| I20100818000425 | I | Rheumatology | MO | 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 | 180 | 124 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 22 | 21 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 63106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
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