Prabha Ranganathan, MD
NPI 1003832304 · Rheumatology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Prabha Ranganathan, MD is a Rheumatology Physician provider in Saint Louis, MO (NPI 1003832304).
Provider details
- NPI number
- 1003832304
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 106169 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
496 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 255 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 181 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $174 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $85 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $161 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 221 | 59 |
| Hydroxychloroquine Sulfate | 107 | 35 |
| Prednisone | 84 | 33 |
| Leflunomide | 70 | 23 |
| Adalimumabbrand: Humira(cf) Pen | 68 | — |
| Etanerceptbrand: Enbrel Sureclick | 34 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 915 N Grand BlvdSaint Louis, MO 63106-1621Phone: (314) 452-4100
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2025-09-08
- Certified
- 2025-09-08
Frequently asked questions
- What is Prabha Ranganathan's NPI number?
- Prabha Ranganathan's National Provider Identifier (NPI) is 1003832304, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Prabha Ranganathan's specialty?
- Prabha Ranganathan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Prabha Ranganathan located?
- Prabha Ranganathan's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Prabha Ranganathan's phone number?
- The practice phone number listed in the NPPES registry for Prabha Ranganathan is (314) 286-2635.
- Does Prabha Ranganathan accept Medicare?
- Prabha Ranganathan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Prabha Ranganathan's NPI active?
- Yes — Prabha Ranganathan's NPI (1003832304) is active in the NPPES registry as of the last update on 2025-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.