Ramdas Kumar, M.D.
NPI 1669631248 · Nephrology Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ramdas Kumar, M.D. is a Nephrology Physician provider in Thousand Oaks, CA (NPI 1669631248).
Provider details
- NPI number
- 1669631248
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A115199 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
7,309 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,672 | $122 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 1,182 | $42 |
| 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 | 948 | $17 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 805 | $53 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 793 | $137 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 229 | 81 |
| Dapagliflozin Propanediolbrand: Farxiga | 196 | 44 |
| Chlorthalidone | 161 | 47 |
| Losartan Potassium | 106 | 38 |
| Allopurinol | 92 | 27 |
| Carvedilol | 83 | 26 |
| Torsemide | 79 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,549 across 72 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)
- 18433 Roscoe Blvd Ste 202Northridge, CA 91325-4134Phone: (818) 349-1262Fax: (818) 349-7529
Registry dates
- Enumerated
- 2008-06-09
- Last updated
- 2018-04-10
Frequently asked questions
- What is Ramdas Kumar's NPI number?
- Ramdas Kumar's National Provider Identifier (NPI) is 1669631248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ramdas Kumar's specialty?
- Ramdas Kumar is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Ramdas Kumar located?
- Ramdas Kumar's practice location on file with NPPES is 227 W Janss Rd, Thousand Oaks, CA 91360-1848.
- What is Ramdas Kumar's phone number?
- The practice phone number listed in the NPPES registry for Ramdas Kumar is (805) 496-5800.
- Does Ramdas Kumar accept Medicare?
- Ramdas Kumar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ramdas Kumar's NPI active?
- Yes — Ramdas Kumar's NPI (1669631248) is active in the NPPES registry as of the last update on 2018-04-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.