Vrinda Mahajan, M.D.
NPI 1790997724 · Internal Medicine Physician · St Louis, MO
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vrinda Mahajan, M.D. is a Internal Medicine Physician provider in St Louis, MO (NPI 1790997724).
Provider details
- NPI number
- 1790997724
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2006013738 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,728 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 | 376 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 308 | $84 |
| 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 | 304 | $18 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 278 | $380 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 129 | $317 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 147 | 45 |
| Losartan Potassium | 109 | 35 |
| Furosemide | 98 | 32 |
| Allopurinol | 67 | 22 |
| Dapagliflozin Propanediolbrand: Farxiga | 55 | 17 |
| Lisinopril | 48 | — |
| Spironolactone | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,085 across 43 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
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Vrinda Mahajan's NPI number?
- Vrinda Mahajan's National Provider Identifier (NPI) is 1790997724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vrinda Mahajan's specialty?
- Vrinda Mahajan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vrinda Mahajan located?
- Vrinda Mahajan's practice location on file with NPPES is 6420 Clayton Rd, St Louis, MO 63117.
- What is Vrinda Mahajan's phone number?
- The practice phone number listed in the NPPES registry for Vrinda Mahajan is (314) 768-8000.
- Does Vrinda Mahajan accept Medicare?
- Vrinda Mahajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vrinda Mahajan's NPI active?
- Yes — Vrinda Mahajan's NPI (1790997724) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.