Stephen Chow, MD
NPI 1447296652 · Orthopaedic Surgery Physician · Apple Valley, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Chow, MD is a Orthopaedic Surgery Physician provider in Apple Valley, CA (NPI 1447296652).
Provider details
- NPI number
- 1447296652
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A63842 (CA)
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
1,098 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 544 | $131 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 173 | $67 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 106 | $172 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 80 | $186 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $93 |
| Injection Into Tendon Or Ligament |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 100 | 55 |
| Ibuprofen | 72 | 46 |
| Diclofenac Sodium | 67 | 42 |
| Gabapentin | 56 | 38 |
| Cephalexin | 27 | 25 |
| Rivaroxabanbrand: Xarelto | 24 | 24 |
| Naproxen | 22 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2007-10-30
Frequently asked questions
- What is Stephen Chow's NPI number?
- Stephen Chow's National Provider Identifier (NPI) is 1447296652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Chow's specialty?
- Stephen Chow is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Chow located?
- Stephen Chow's practice location on file with NPPES is 18095 US Highway 18, Apple Valley, CA 92307-2189.
- What is Stephen Chow's phone number?
- The practice phone number listed in the NPPES registry for Stephen Chow is (760) 242-8238.
- Does Stephen Chow accept Medicare?
- Stephen Chow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Chow's NPI active?
- Yes — Stephen Chow's NPI (1447296652) is active in the NPPES registry as of the last update on 2007-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.