Ashok Sunder Raj, M.D.
NPI 1093744070 · Nephrology Physician · Pasadena, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashok Sunder Raj, M.D. is a Nephrology Physician provider in Pasadena, CA (NPI 1093744070).
Provider details
- NPI number
- 1093744070
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A41453 (CA)
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
1,365 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 35 Minutes99232 | 643 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 355 | $98 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 176 | $369 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 52 | $122 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 50 | $135 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 147 | 46 |
| Furosemide | 134 | 36 |
| Potassium Chloride | 85 | 21 |
| Calcitriol | 73 | 18 |
| Carvedilol | 64 | 20 |
| Hydralazine Hcl | 64 | 18 |
| Losartan Potassium | 42 | 15 |
| Hydrochlorothiazide | 38 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 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
- 2006-07-01
- Last updated
- 2026-03-06
- Certified
- 2026-03-06
Frequently asked questions
- What is Ashok Sunder Raj's NPI number?
- Ashok Sunder Raj's National Provider Identifier (NPI) is 1093744070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashok Sunder Raj's specialty?
- Ashok Sunder Raj is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashok Sunder Raj located?
- Ashok Sunder Raj's practice location on file with NPPES is 301 S Fair Oaks Ave Ste 405, Pasadena, CA 91105-2562.
- What is Ashok Sunder Raj's phone number?
- The practice phone number listed in the NPPES registry for Ashok Sunder Raj is (626) 794-7075.
- Does Ashok Sunder Raj accept Medicare?
- Ashok Sunder Raj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashok Sunder Raj's NPI active?
- Yes — Ashok Sunder Raj's NPI (1093744070) is active in the NPPES registry as of the last update on 2026-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.