Krishna Sankaran, MD
NPI 1558353631 · Nephrology Physician · Rockford, IL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Krishna Sankaran, MD is a Nephrology Physician provider in Rockford, IL (NPI 1558353631).
Provider details
- NPI number
- 1558353631
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036079225 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,258 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| 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 | 645 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 643 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 561 | $80 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 381 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 311 | $121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 240 | 67 |
| Amlodipine Besylate | 202 | 60 |
| Torsemide | 162 | 47 |
| Losartan Potassium | 143 | 46 |
| Dapagliflozin Propanediolbrand: Farxiga | 101 | 25 |
| Doxazosin Mesylate | 84 | 26 |
| Metoprolol Succinate | 82 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-16
- Last updated
- 2011-04-22
Frequently asked questions
- What is Krishna Sankaran's NPI number?
- Krishna Sankaran's National Provider Identifier (NPI) is 1558353631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krishna Sankaran's specialty?
- Krishna Sankaran is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Krishna Sankaran located?
- Krishna Sankaran's practice location on file with NPPES is 612 Roxbury Rd, Rockford, IL 61107-5089.
- What is Krishna Sankaran's phone number?
- The practice phone number listed in the NPPES registry for Krishna Sankaran is (815) 227-8300.
- Does Krishna Sankaran accept Medicare?
- Krishna Sankaran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Krishna Sankaran's NPI active?
- Yes — Krishna Sankaran's NPI (1558353631) is active in the NPPES registry as of the last update on 2011-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.