Sriram Sambasivan, M.D.
NPI 1356350821 · Critical Care Medicine (Internal Medicine) Physician · Redding, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sriram Sambasivan, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Redding, CA (NPI 1356350821).
Provider details
- NPI number
- 1356350821
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A75554 (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
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
4,501 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 | 807 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 713 | $131 |
| Hemodialysis Procedure With Physician Evaluation90935 | 668 | $70 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 637 | $352 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 276 | $93 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 164 | 53 |
| Losartan Potassium | 158 | 50 |
| Amlodipine Besylate | 155 | 49 |
| Calcitriol | 91 | 24 |
| Hydralazine Hcl | 71 | 19 |
| Allopurinol | 68 | 17 |
| Dapagliflozin Propanediolbrand: Farxiga | 64 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$154 across 3 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
- 2006-08-05
- Last updated
- 2012-03-30
Frequently asked questions
- What is Sriram Sambasivan's NPI number?
- Sriram Sambasivan's National Provider Identifier (NPI) is 1356350821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sriram Sambasivan's specialty?
- Sriram Sambasivan is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sriram Sambasivan located?
- Sriram Sambasivan's practice location on file with NPPES is 180 Northpoint Dr, Redding, CA 96003-2510.
- What is Sriram Sambasivan's phone number?
- The practice phone number listed in the NPPES registry for Sriram Sambasivan is (530) 232-3000.
- Does Sriram Sambasivan accept Medicare?
- Sriram Sambasivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sriram Sambasivan's NPI active?
- Yes — Sriram Sambasivan's NPI (1356350821) is active in the NPPES registry as of the last update on 2012-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.