Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Stephen Chow, MD

Individual provider Orthopaedic Surgery Physician · NPI 1447296652

Dr. Stephen Chow, MD practises Orthopedic Surgery in Apple Valley, California. Graduated from New York Medical College in 1996, 30 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
30
Trained at
New York Medical College
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

18095 US Highway 18 Ste B
Apple Valley, CA 92307-2189 Not confirmed with CMS for 19 years — call before visiting
Phone: (760) 242-8238
Fax: (760) 242-8282
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence A63842 (CA)

Record details

NPI number1447296652
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2006
Last updated in NPPESOctober 30, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1996 (30 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Lower limb (leg) arthroscopy (minimally invasive joint repair) 22 times · 93rd percentile
Upper limb (arm) arthroscopy (minimally invasive joint repair) 34 times · 77th percentile
Knee replacement 16 times · 46th percentile
Hip replacement 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients335
Services billed 2,596 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Med Care Plus Home Health Inc Home health agency · Pasadena, CA · listed as Med Care Plus Home Health, Inc
  • Valde Home Health, Inc Home health agency · Victorville, CA
  • Barstow Community Hospital Hospital · Barstow, CA
  • Victor Valley Global Medical Center Hospital · Victorville, CA

Other providers in Apple Valley