Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Vikram S. Wadhwa, MD

Works at hospitals in Marysville, CA · Simi Valley, CA · Ukiah, CA … · California

Summary

Dr. Vikram S. Wadhwa, MD is a radiologist at 1 Marcela Dr, Willits, CA 95490. Phone: (707) 459-6801. Accepts Medicare assignment. In 2024, Vikram S. Wadhwa had 2,751 Original Medicare patients and 3,916 services. NPI 1417134040. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Vikram S. Wadhwa, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Vikram S. Wadhwa accept Medicare assignment?
Yes. Medicare's clinician data says Vikram S. Wadhwa 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 Vikram S. Wadhwa see?
In 2024, CMS data shows 2,751 Original Medicare patients and 3,916 services for Vikram S. Wadhwa. This counts Original Medicare only and measures volume, not quality.
What is Vikram S. Wadhwa's NPI number?
1417134040. 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 Vikram S. Wadhwa, 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 patients2,751
Services billed to Medicare3,916
Different services or procedures117
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Ct scan head or brain without contrast (70450)779 services
  2. Mri scan of lower spinal canal without contrast (72148)592 services
  3. Mri scan of upper spinal canal without contrast (72141)295 services
  4. Ct scan of blood vessels of neck with contrast (70498)272 services
  5. Ct scan of blood vessels of head with contrast (70496)256 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%
  • Arthritis73%
  • Ischemic heart disease53%
  • Diabetes42%
  • Depression38%

Hospitals where Vikram S. Wadhwa works

Medicare's Facility Affiliation Data lists Vikram S. Wadhwa 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.

Practice locations

Addresses where Vikram S. Wadhwa is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 25; the Medicare profile lists all.

Group practices

Medicare enrollment lists Vikram S. Wadhwa as a member of these groups (CMS data updated October 2, 2026).

  • Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
  • USC Care Medical Group Inc1,380 clinicians in the group
  • Ukiah Adventist Hospital135 clinicians in the group
  • Darin Rentz DO PC124 clinicians in the group
  • Advanced Radiology and Interventional Associates Inc104 clinicians in the group
  • Glendale Adventist Medical Center103 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Willits

Clinicians with the same Medicare primary specialty in Willits, CA — not a recommendation.

All radiologists in Willits →

Other clinicians in Cedars-Sinai Medical Care Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1417134040
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians