Dr. Stephen Chow, MD
- Medicare services, 2024
- 2,406
- Medicare patients, 2024
- 335
- Part D claims, 2024
- 433
- Publications
- 5
- MIPS score, 2024
- 64
- Practice address
- 15990 Tuscola Rd, Apple Valley, CA 92307
- Practice phone
- Call (760) 242-4808
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ultimate Sports & Orthopaedics
Apple Valley, California
Find Dr. Chow's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stephen Chow is an orthopedic surgeon in Apple Valley, California
Dr. Chow practices at Ultimate Sports & Orthopaedics in Apple Valley, California.
Dr. Chow's NPI, 1447296652, was assigned on June 22, 2006. Dr. Chow graduated from New York Medical College in 1996. Dr. Chow holds California license A63842.
- NPI
- 1447296652NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527017136
- NPI enumeration date
- June 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 242-4808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Chow practices at Ultimate Sports & Orthopaedics in Apple Valley, California
Dr. Chow's primary practice is Ultimate Sports & Orthopaedics, at 15990 Tuscola Rd, Apple Valley, CA 92307 in San Bernardino County. The practice phone is (760) 242-4808.
- Ultimate Sports & Orthopaedics15990 Tuscola Rd, Apple Valley, CA 92307 · San Bernardino CountyPhone(760) 242-4808
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Chow is affiliated with 7 sites of care and 1 medical group
Dr. Chow's primary practice is Ultimate Sports & Orthopaedics in Apple Valley, California. Dr. Chow is also affiliated with Victor Valley Global Medical Center. The medical group on file is Ultimate Sports and Orthopaedics. Dmand AI also links Dr. Chow to 1 more hospital, 2 home health agencies, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen Chow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chow practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ultimate Sports & Orthopaedics | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Chow is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Chow's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chow is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Chow is licensed in California.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, enthesopathy in arms, fluid in a joint and hand joint or tendon inflammation among the conditions Dr. Chow treats.
Orthopedic surgeons near Dr. Chow
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephen Chow billed Medicare for 2,406 services in 2024
CMS data shows 2,406 Medicare services from Dr. Chow across 13 procedure codes in 2024, for 335 Medicare patients. Medicare paid $117,709 for them.
Dr. Chow's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 4382024: 1,308199%
- Office and hospital visits
- 2023: 1,0352024: 83220%
- Surgery
- 2023: 2882024: 2668%
- Imaging
- 2023: 182024: 0100%
Where Dr. Chow's Medicare services took place, 2024
- In an office2,35798%
- In a facility492%
Dr. Chow compared with the California median for orthopedic surgeons, 2024
- Dr. Chow
- California median
- Medicare services
- 2,406vs 6833.5 times
- Medicare patients
- 335vs 21556% above
- Part D claims
- 398vs 705.7 times
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Chow's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chow?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chow and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Chow treated 335 Medicare patients in 2024, average age 74
CMS counts 335 Medicare patients who saw Dr. Chow in 2024. The largest group is 65 to 74, with 151 patients. 75% of them have arthritis, and 75% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chow's median patient age at 63, with 55% women.
Dr. Chow's Medicare patients by age, 2024
Dr. Chow's Medicare patients by sex, 2024
- Women21364%
- Men12236%
Chronic conditions among Dr. Chow's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes47%
- Chronic kidney disease33%
- Ischemic heart disease33%
- Heart failure26%
- COPD23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Chow wrote 433 Medicare Part D claims in 2024
In 2024, Dr. Chow wrote 433 Medicare Part D claims for 172 patients. 94% of them were for generic drugs. CMS names the drug for 398 of them, across 9 drugs with 11 or more claims each, at $19,952 in total drug cost. In 2023, CMS named 375 claims across 8 drugs.
Dr. Chow's Part D claims by kind of drug, 2024
- Generic407 claims94%
- Brand-name26 claims6%
Dr. Chow's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chow's Part D claims, 2024
- Opioids29%126 of 433 claims
- Antibiotics11%47 of 433 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3752024: 3986%
Drugs named by CMS: 9 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Stephen Chow scored 64 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 64 out of 100 for Dr. Chow for performance year 2024, reported individually. Dr. Chow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 25 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Chow, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chow's MIPS scores, performance year 2024
- 64of 100Final score
- 87of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chow ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 83rd percentile44 procedures
- Lower limb (leg) arthroscopy (minimally invasive joint repair)
- 95th percentile25 procedures
- Knee replacement
- 45th percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen Chow has 5 publications on record
Dmand AI links 5 papers to Dr. Chow, published from 2020 to 2021. 2021 was the busiest year, with 2. The most frequent topics are Chromosome Mapping. Dr. Chow's most frequent co-authors are Pui-Yan Kwok, MD, PhD, Renata C. Gallagher, MD and Ophir David Klein, MD, PhD.
Topics Dr. Chow writes about most
- Chromosome Mapping
Dr. Chow's most frequent co-authors
- Pui-Yan Kwok, MD, PhD5 shared papers
- Renata C. Gallagher, MD2 shared papers
- Ophir David Klein, MD, PhD2 shared papers
Recent publications by Dr. Chow
See who Dr. Chow researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chow works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephen Chow received $1,790 in industry payments from 2016 to 2023
CMS Open Payments shows 12 general payments to Dr. Chow from 5 drug and device companies from 2016 to 2023. Education make up the largest share, 67% of the total. Empire Medical, Inc paid the most, $1,200.
General payments to Dr. Chow by program year, 2016 to 2023
General payments to Dr. Chow by kind, 2016 to 2023
- Education$1,20067%
- Food and beverage$59033%
Companies that paid Dr. Chow the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Chow has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chow, most recently Chief of Staff in 2020.
Awards and honors for Dr. Chow
- 2020
- Chief of Staff
Source: Dmand AI Professional Profile Data
Dr. Stephen Chow graduated from New York Medical College
Dr. Chow graduated from New York Medical College in 1996. Dr. Chow is a member of AOA and AAOS.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Stephen Chow accepts plans from 16 insurance carriers
Dr. Chow is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Chow accepts, by number of carriers
- PPO9
- HMO8
- Medicare8
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Chow's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stephen Chow
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stephen Chow's NPI number?
Dr. Stephen Chow's NPI number is 1447296652. It was assigned on June 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Chow?
Dr. Stephen Chow is an orthopedic surgeon in Apple Valley, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Stephen Chow practice?
Dr. Chow practices at 15990 Tuscola Rd, Apple Valley, CA 92307. Dr. Chow's primary practice is Ultimate Sports & Orthopaedics in Apple Valley, California. Dmand AI also links Dr. Chow to 1 hospital, 2 home health agencies, 1 physician office and 1 group practice or clinic.
What is Dr. Stephen Chow's office phone number?
The practice phone on file for Dr. Chow is (760) 242-4808.
What is Dr. Stephen Chow's medical license number?
Dr. Chow holds California license A63842.
Which hospitals is Dr. Stephen Chow affiliated with?
Dr. Chow is affiliated with Victor Valley Global Medical Center. Dmand AI links Dr. Chow to 1 more hospital.
What medical group is Dr. Stephen Chow part of?
Dr. Chow is linked to Ultimate Sports and Orthopaedics.
Does Dr. Stephen Chow accept Medicare?
Yes. CMS data shows Dr. Chow billed Medicare for 2,406 services in 2024, and Dr. Chow accepts Medicare assignment.
What is Dr. Stephen Chow's MIPS score?
Dr. Chow's MIPS final score for performance year 2024 is 64 out of 100, reported individually.
How many Medicare patients does Dr. Stephen Chow see?
CMS counts 335 Medicare patients who saw Dr. Chow in 2024, with an average age of 74.
Show 9 more questionsShow fewer questions
Is Dr. Stephen Chow board certified?
Yes. Dr. Chow is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
What services does Dr. Stephen Chow bill to Medicare?
In 2024, Dr. Chow's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and surgery: bones and joints (20610).
Where did Dr. Stephen Chow go to medical school?
Dr. Chow graduated from New York Medical College in 1996.
What drugs does Dr. Stephen Chow prescribe most?
In 2024 Medicare Part D data, Dr. Chow's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ibuprofen and Diclofenac Sodium.
Has Dr. Stephen Chow received payments from drug or device companies?
CMS Open Payments shows $1,790 in general payments to Dr. Chow from 5 companies from 2016 to 2023. The largest total came from Empire Medical, Inc.
How long has Dr. Stephen Chow been practicing?
Dr. Chow graduated from medical school in 1996, 30 years ago.
Does Dr. Stephen Chow do research?
Dmand AI links 5 publications to Dr. Chow, published from 2020 to 2021.
Who does Dr. Stephen Chow publish with?
Dr. Chow's most frequent co-authors are Pui-Yan Kwok, MD, PhD (5 shared papers), Renata C. Gallagher, MD (2 shared papers) and Ophir David Klein, MD, PhD (2 shared papers).
What insurance does Dr. Stephen Chow accept?
Dr. Chow is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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