Quick answers
- Does Arun R. Krishnan accept Medicare assignment?
- Yes. Medicare's clinician data says Arun R. Krishnan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Arun R. Krishnan see?
- In 2024, CMS data shows 2,499 Original Medicare patients and 3,731 services for Arun R. Krishnan. This counts Original Medicare only and measures volume, not quality.
- What is Arun R. Krishnan's NPI number?
- 1568403210. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Arun R. Krishnan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,499 |
|---|---|
| Services billed to Medicare | 3,731 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Mri scan of lower spinal canal without contrast (72148)598 services
- Mri scan of brain before and after contrast (70553)406 services
- Ct scan head or brain without contrast (70450)338 services
- Mri scan of brain without contrast (70551)298 services
- Mri scan of upper spinal canal without contrast (72141)270 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis72%
- Ischemic heart disease36%
- Anxiety35%
- Diabetes31%
Hospitals where Arun R. Krishnan works
Medicare's Facility Affiliation Data lists Arun R. Krishnan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northside HospitalAtlanta, GA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 110161
- Northside Hospital CherokeeCanton, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110008
- Northside Hospital ForsythCumming, GA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 110005
Practice locations
Addresses where Arun R. Krishnan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1180 Post StSan Francisco, CA 94109 (415) 248‑3700
- 14651 S Bascom Ave, 120 Simonmed Imaging Los GatosLos Gatos, CA 95032 (408) 356‑9013
- 1825 Civic Ctr Dr, Suite 1Santa Clara, CA 95050 (408) 296‑5555
- 2800 L StSacramento, CA 95816
- 325 Sacramento StSan Francisco, CA 94111 (415) 321‑4674
Group practices
Medicare enrollment lists Arun R. Krishnan as a member of these groups (CMS data updated October 2, 2026).
- Sutter Valley Medical Foundation2,500 clinicians in the group
- Northside Radiology Associates LLC385 clinicians in the group
- Smi Imaging LLC384 clinicians in the group
- Simonmed Imaging Florida LLC317 clinicians in the group
- Health Diagnostics of California a Professional Corporation183 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in Sutter Valley Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568403210 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians