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Diagnostic Radiology

Howard J. Harvin, MD

Works at hospitals in Phoenix, AZ · Scottsdale, AZ · Arizona

Summary

Dr. Howard J. Harvin, MD is a radiologist at 300 Pasteur Dr, Stanford, CA 94305. Phone: (650) 723-4000. Accepts Medicare assignment. In 2024, Howard J. Harvin had 4,545 Original Medicare patients and 269,001 services. NPI 1548259500. 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 Howard J. Harvin, 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 Howard J. Harvin accept Medicare assignment?
Yes. Medicare's clinician data says Howard J. Harvin 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 Howard J. Harvin see?
In 2024, CMS data shows 4,545 Original Medicare patients and 269,001 services for Howard J. Harvin. This counts Original Medicare only and measures volume, not quality.
What is Howard J. Harvin's NPI number?
1548259500. 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 Howard J. Harvin, 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 patients4,545
Services billed to Medicare269,001
Different services or procedures119
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Injection, gadoterate meglumine, 0.1 ml (A9575)181,900 services
  2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)78,480 services
  3. Mri scan of abdomen before and after contrast (74183)1,709 services
  4. Ct scan of blood vessels and grafts of heart with contrast (75574)751 services
  5. Ct scan of abdomen and pelvis with contrast (74177)690 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%
  • Arthritis54%
  • Ischemic heart disease39%
  • Anxiety29%
  • Chronic kidney disease26%

Hospitals where Howard J. Harvin works

Medicare's Facility Affiliation Data lists Howard J. Harvin 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 Howard J. Harvin is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Howard J. Harvin as a member of these groups (CMS data updated October 2, 2026).

  • Stanford Health Care3,122 clinicians in the group
  • Sonoran Radiology Ltd475 clinicians in the group
  • Southwest Diagnostic Imaging LLC118 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Stanford

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

All radiologists in Stanford →

Other clinicians in Stanford Health Care

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

Clinician information

CredentialMD
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548259500
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