Dr. Justin J. Sherfey, DO

  • Lancaster, CA
  • Orthopedic surgeon
NPI1689786873PAC ID2961441266
Medicare services, 2024
2,602
Medicare patients, 2024
390
Part D claims, 2024
411
Publications
1
Hospital affiliations
2
Practice address
42135 10th W St, Lancaster, CA 93534
Practice phone
Call (661) 726-5005
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Embassy Surgery Center

Lancaster, California

See all 7 affiliations

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Dr. Justin J. Sherfey is an orthopedic surgeon in Lancaster, California

Dr. Sherfey practices at Embassy Surgery Center in Lancaster, California.

Dr. Sherfey's NPI, 1689786873, was assigned on August 31, 2006. Dr. Sherfey graduated from WesternU College of Osteopathic Medicine of the Pacific in 1999. Dr. Sherfey holds California license 20A13540.

NPI and contact details
Medicare PAC ID
2961441266
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(661) 726-5005
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Justin J. Sherfey practices at Embassy Surgery Center in Lancaster, California

Dr. Sherfey's primary practice is Embassy Surgery Center, at 42135 10th W St, Lancaster, CA 93534 in Los Angeles County. The practice phone is (661) 726-5005.

  • Embassy Surgery Center
    42135 10th W St, Lancaster, CA 93534 · Los Angeles CountyPhone(661) 726-5005

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Justin J. Sherfey is affiliated with 6 sites of care and 1 medical group

Dr. Sherfey's primary practice is Embassy Surgery Center in Lancaster, California. Dr. Sherfey is also affiliated with Antelope Valley Medical Center. The medical group on file is AVORS Medical Group. Dmand AI also links Dr. Sherfey to 1 more hospital, 2 home health agencies and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Sherfey

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Justin J. Sherfey's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sherfey practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Embassy Surgery CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Justin J. Sherfey is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Sherfey's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Sherfey is board certified in orthopedic surgery by the AOA Board of Orthopedic Surgery. Dmand AI has Dr. Sherfey's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense 20A13540 · taxonomy 207X00000X
  • Washington licenseLicense OP00001966

Clinical focus

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, bursitis, carpal tunnel syndrome, chest wall injury, enthesopathy in arms, fluid in a joint and hand joint or tendon inflammation among the conditions Dr. Sherfey treats.

Orthopedic surgeons near Dr. Sherfey

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

2,056orthopedic surgeons in California
9orthopedic surgeons in Lancaster

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Justin J. Sherfey billed Medicare for 2,602 services in 2024

CMS data shows 2,602 Medicare services from Dr. Sherfey across 22 procedure codes in 2024, for 390 Medicare patients. Medicare paid $142,380 for them.

Medicare services, 20242,602
Medicare patients390
Paid by Medicare$142,380
Procedure codes22

Dr. Sherfey's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 2,3582024: 1,10153%
Office and hospital visits
2023: 5702024: 72327%
Surgery
2023: 3592024: 41917%
Imaging
2023: 3102024: 35916%

Where Dr. Sherfey's Medicare services took place, 2024

  • In an office2,50396%
  • In a facility994%

Dr. Sherfey compared with the California median for orthopedic surgeons, 2024

  • Dr. Sherfey
  • California median
Medicare services
2,602vs 6833.8 times
Medicare patients
390vs 21581% above
Part D claims
340vs 704.9 times

Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.

Dr. Sherfey'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.

See all procedures by Dr. Sherfey

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sherfey and other orthopedic surgeons in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Justin J. Sherfey treated 390 Medicare patients in 2024, average age 71

CMS counts 390 Medicare patients who saw Dr. Sherfey in 2024. The largest group is 65 to 74, with 181 patients. 75% of them have arthritis, and 75% have high blood pressure. 45% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sherfey's median patient age at 62, with 59% women.

Medicare patients, 2024390
Average age71
Average risk score1.55
Also on Medicaid45%

Dr. Sherfey's Medicare patients by age, 2024

Dr. Sherfey's Medicare patients by sex, 2024

  • Women25966%
  • Men13134%

Chronic conditions among Dr. Sherfey's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes43%
  5. Anxiety33%
  6. Mood disorders32%
  7. COPD28%
  8. Depression28%

Share of Medicare patients with each condition. A patient can have several.

Dr. Sherfey's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women59%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Justin J. Sherfey wrote 411 Medicare Part D claims in 2024

In 2024, Dr. Sherfey wrote 411 Medicare Part D claims for 221 patients. 96% of them were for generic drugs. CMS names the drug for 340 of them, across 6 drugs with 11 or more claims each, at $5,313 in total drug cost. In 2023, CMS named 145 claims across 2 drugs.

Part D claims, 2024411
Drugs named by CMS6
Total drug cost$5,313
Part D patients221

Dr. Sherfey's Part D claims by kind of drug, 2024

  • Generic394 claims96%
  • Brand-name17 claims4%

Dr. Sherfey'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. Sherfey's Part D claims, 2024

  • Opioids69%283 of 411 claims
  • Antibiotics7%30 of 411 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: 1452024: 340134%

Drugs named by CMS: 6 in 2024, 2 in 2023.

See all prescribing by Dr. Sherfey

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. Justin J. Sherfey ranks in the 78th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare

Dr. Sherfey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 35 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Sherfey, more than 78% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Sherfey ranks in Medicare procedure volume

Upper limb (arm) arthroscopy (minimally invasive joint repair)
78th percentile35 procedures
Knee replacement
43rd percentile14 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)

Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Justin J. Sherfey has 1 publication on record

Dmand AI links 1 paper to Dr. Sherfey.

Papers1

Recent publications by Dr. Sherfey

See all 1 publications and co-authors

See who Dr. Sherfey researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sherfey works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Justin J. Sherfey received $32,450 in industry payments from 2016 to 2025

CMS Open Payments shows 86 general payments to Dr. Sherfey from 33 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 75% of the total. Arthrex, Inc. paid the most, $9,300.

General payments to Dr. Sherfey by program year, 2016 to 2025

General payments to Dr. Sherfey by kind, 2016 to 2025

$32.4Kin total
  • Consulting fees$24,37575%
  • Food and beverage$3,66211%
  • Speaker and faculty fees$2,7008%
  • Travel and lodging$1,7135%

Companies that paid Dr. Sherfey the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Sherfey

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Justin J. Sherfey has 1 award and honors on record

Dmand AI lists 1 award for Dr. Sherfey, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Sherfey

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Justin J. Sherfey graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Sherfey graduated from WesternU College of Osteopathic Medicine of the Pacific in 1999. Dr. Sherfey is a member of AOA.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in orthopedic surgeryAOA Board of Orthopedic Surgery
  3. Board certified in 2014 - 2027CA State License
  4. Board certified in 1999 - 2004MI State License
  5. Board certified in 2004 - 2026WA State License

Source: Dmand AI Professional Profile Data

Dr. Justin J. Sherfey accepts plans from 9 insurance carriers

Dr. Sherfey is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and LA Care. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

Plan types Dr. Sherfey accepts, by number of carriers

  1. Medicare7
  2. HMO5
  3. PPO5
  4. EPO2
  5. POS2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Justin J. Sherfey's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Justin J. Sherfey

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. Justin J. Sherfey's NPI number?

Dr. Justin J. Sherfey's NPI number is 1689786873. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Justin J. Sherfey?

Dr. Justin J. Sherfey is an orthopedic surgeon in Lancaster, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Justin J. Sherfey practice?

Dr. Sherfey practices at 42135 10th W St, Lancaster, CA 93534. Dr. Sherfey's primary practice is Embassy Surgery Center in Lancaster, California. Dmand AI also links Dr. Sherfey to 1 hospital, 2 home health agencies and 1 group practice or clinic.

What is Dr. Justin J. Sherfey's office phone number?

The practice phone on file for Dr. Sherfey is (661) 726-5005.

What is Dr. Justin J. Sherfey's medical license number?

Dr. Sherfey holds California license 20A13540, one of the licenses on file in 2 states.

Which states has Dr. Justin J. Sherfey been licensed in?

Dmand AI has state licenses on file for Dr. Sherfey in California and Washington.

Which hospitals is Dr. Justin J. Sherfey affiliated with?

Dr. Sherfey is affiliated with Antelope Valley Medical Center. Dmand AI links Dr. Sherfey to 1 more hospital.

What medical group is Dr. Justin J. Sherfey part of?

Dr. Sherfey is linked to AVORS Medical Group.

Does Dr. Justin J. Sherfey accept Medicare?

Yes. CMS data shows Dr. Sherfey billed Medicare for 2,602 services in 2024, and Dr. Sherfey accepts Medicare assignment.

How many Medicare patients does Dr. Justin J. Sherfey see?

CMS counts 390 Medicare patients who saw Dr. Sherfey in 2024, with an average age of 71.

Show 8 more questionsShow fewer questions

Is Dr. Justin J. Sherfey board certified?

Yes. Dr. Sherfey is board certified in orthopedic surgery by the AOA Board of Orthopedic Surgery.

What services does Dr. Justin J. Sherfey bill to Medicare?

In 2024, Dr. Sherfey's most billed Medicare services were injected or infused drug (J3301), surgery: bones and joints (20611) and office visit, established patient (99213).

Where did Dr. Justin J. Sherfey go to medical school?

Dr. Sherfey graduated from WesternU College of Osteopathic Medicine of the Pacific in 1999.

What drugs does Dr. Justin J. Sherfey prescribe most?

In 2024 Medicare Part D data, Dr. Sherfey's most prescribed drugs by claims were Oxycodone-Acetaminophen, Hydrocodone-Acetaminophen and Lidocaine.

Has Dr. Justin J. Sherfey received payments from drug or device companies?

CMS Open Payments shows $32,450 in general payments to Dr. Sherfey from 33 companies from 2016 to 2025. The largest total came from Arthrex, Inc.

How long has Dr. Justin J. Sherfey been practicing?

Dr. Sherfey graduated from medical school in 1999, 27 years ago.

Does Dr. Justin J. Sherfey do research?

Dmand AI links 1 publication to Dr. Sherfey.

What insurance does Dr. Justin J. Sherfey accept?

Dr. Sherfey is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and LA Care. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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