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Dr. John W. McAllister, MD
NPI1497857965PAC ID0143322941
- Medicare services, 2024
- 11,530
- Medicare patients, 2024
- 432
- Part D claims, 2024
- 399
- Clinical trials
- 2
- MIPS score, 2024
- 95
- Practice address
- 114 Piper Hill Dr, Saint Peters, MO 63376
- Practice phone
- Call (636) 928-1670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Peters Ambulatory Surgery Center
Saint Peters, Missouri
Find Dr. McAllister's professional email, personal email and mobile number
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Dr. John W. McAllister is an orthopedic surgeon in Saint Peters, Missouri
Dr. McAllister practices at St Peters Ambulatory Surgery Center in Saint Peters, Missouri.
Dr. McAllister's NPI, 1497857965, was assigned on September 3, 2006. Dr. McAllister graduated from Washington University School of Medicine in 1984. Dr. McAllister holds Missouri license R3J06.
NPI and contact details
- NPI
- 1497857965NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143322941
- NPI enumeration date
- September 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 928-1670
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. McAllister practices at St Peters Ambulatory Surgery Center in Saint Peters, Missouri
Dr. McAllister's primary practice is St Peters Ambulatory Surgery Center, at 114 Piper Hill Dr, Saint Peters, MO 63376 in Saint Charles County. The practice phone is (636) 928-1670.
- St Peters Ambulatory Surgery Center114 Piper Hill Dr, Saint Peters, MO 63376 · Saint Charles CountyPhone(636) 928-1670
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John W. McAllister is affiliated with 6 sites of care and 1 medical group
Dr. McAllister's primary practice is St Peters Ambulatory Surgery Center in Saint Peters, Missouri. Dr. McAllister is also affiliated with Barnes-Jewish St. Peters Hospital. The medical group on file is Advanced Bone & Joint. Dmand AI also links Dr. McAllister to 3 more hospitals and 1 group practice or clinic, each named with a free account.
St Peters Ambulatory Surgery CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John W. McAllister's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McAllister practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Peters Ambulatory Surgery Center | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. McAllister is one of 417 orthopedic surgeons in Missouri
Orthopaedic surgery is Dr. McAllister's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. McAllister is licensed in Missouri.
Specialties and state licenses
- Orthopaedic surgery, MissouriPrimary
Orthopedic surgeons near Dr. McAllister
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
417orthopedic surgeons in Missouri
7orthopedic surgeons in Saint Peters
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John W. McAllister billed Medicare for 11,530 services in 2024
CMS data shows 11,530 Medicare services from Dr. McAllister across 17 procedure codes in 2024, for 432 Medicare patients. Medicare paid $139,381 for them.
Medicare services, 202411,530
Medicare patients432
Paid by Medicare$139,381
Procedure codes17
Dr. McAllister's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,3272024: 10,631357%
- Office and hospital visits
- 2023: 3862024: 34211%
- Imaging
- 2023: 3212024: 27813%
- Surgery
- 2023: 2922024: 2679%
- Other services
- 2023: 02024: 12
Where Dr. McAllister's Medicare services took place, 2024
- In an office11,43299%
- In a facility981%
Dr. McAllister compared with the Missouri median for orthopedic surgeons, 2024
- Dr. McAllister
- Missouri median
- Medicare services
- 11,530vs 84913.6 times
- Medicare patients
- 432vs 23187% above
- Part D claims
- 356vs 1562.3 times
Medians across 414 orthopedic surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. McAllister'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. McAllister treated 432 Medicare patients in 2024, average age 75
CMS counts 432 Medicare patients who saw Dr. McAllister in 2024. The largest group is 65 to 74, with 216 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McAllister's median patient age at 70, with 61% women.
Medicare patients, 2024432
Average age75
Average risk score1.04
Dr. McAllister's Medicare patients by age, 2024
Dr. McAllister's Medicare patients by sex, 2024
- Women26361%
- Men16939%
Chronic conditions among Dr. McAllister's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes28%
- Anxiety27%
- Chronic kidney disease24%
- Mood disorders24%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. McAllister's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. McAllister wrote 399 Medicare Part D claims in 2024
In 2024, Dr. McAllister wrote 399 Medicare Part D claims for 244 patients. 96% of them were for generic drugs. CMS names the drug for 356 of them, across 7 drugs with 11 or more claims each, at $6,251 in total drug cost. In 2023, CMS named 339 claims across 5 drugs.
Part D claims, 2024399
Drugs named by CMS7
Total drug cost$6,251
Part D patients244
Dr. McAllister's Part D claims by kind of drug, 2024
- Generic384 claims96%
- Brand-name15 claims4%
Dr. McAllister'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. McAllister's Part D claims, 2024
- Opioids72%287 of 399 claims
- Antibiotics3%13 of 399 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: 3392024: 3565%
Drugs named by CMS: 7 in 2024, 5 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. John W. McAllister scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. McAllister for performance year 2024, reported as part of a group. Dr. McAllister accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 68 procedures of knee replacement by Dr. McAllister, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. McAllister's MIPS scores, performance year 2024
- 95of 100Final score
- 96of 100Quality
- 40of 100Improvement Activities
- 90of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. McAllister ranks in Medicare procedure volume
- Knee replacement
- 86th percentile68 procedures
- Hip replacement
- 63rd percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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); 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. John W. McAllister has worked on 2 clinical trials
Dmand AI links Dr. McAllister to 2 clinical trials. Conditions studied include Osteoarthritis and Rheumatic Diseases.
Conditions in Dr. McAllister's trials
- Osteoarthritis
- Rheumatic Diseases
Investigators on the most trials with Dr. McAllister
- David Alan Dodgin, MD2 shared trials
- Jorge I. Acevedo, MD1 shared trial
- Gregory J. Adamson, MD1 shared trial
Recent clinical trials with Dr. McAllister
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. John W. McAllister received $19,366 in industry payments from 2016 to 2025
CMS Open Payments shows 98 general payments to Dr. McAllister from 13 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 37% of the total. Arthrex, Inc. paid the most, $9,873. It also lists 8 research payments totaling $46,005 from 2016 to 2021.
General payments to Dr. McAllister by program year, 2016 to 2025
General payments to Dr. McAllister by kind, 2016 to 2025
$19.4Kin total
- Travel and lodging$7,16937%
- Food and beverage$4,19922%
- Consulting fees$4,12021%
- Education$3,87820%
Companies that paid Dr. McAllister the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. McAllister graduated from Washington University School of Medicine
Dr. McAllister graduated from Washington University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. McAllister's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John W. McAllister
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. John W. McAllister's NPI number?
Dr. John W. McAllister's NPI number is 1497857965. It was assigned on September 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. McAllister?
Dr. John W. McAllister is an orthopedic surgeon in Saint Peters, Missouri. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John W. McAllister practice?
Dr. McAllister practices at 114 Piper Hill Dr, Saint Peters, MO 63376. Dr. McAllister's primary practice is St Peters Ambulatory Surgery Center in Saint Peters, Missouri. Dmand AI also links Dr. McAllister to 3 hospitals and 1 group practice or clinic.
What is Dr. John W. McAllister's office phone number?
The practice phone on file for Dr. McAllister is (636) 928-1670.
What is Dr. John W. McAllister's medical license number?
Dr. McAllister holds Missouri license R3J06.
Which hospitals is Dr. John W. McAllister affiliated with?
Dr. McAllister is affiliated with Barnes-Jewish St. Peters Hospital. Dmand AI links Dr. McAllister to 3 more hospitals.
What medical group is Dr. John W. McAllister part of?
Dr. McAllister is linked to Advanced Bone & Joint.
Does Dr. John W. McAllister accept Medicare?
Yes. CMS data shows Dr. McAllister billed Medicare for 11,530 services in 2024, and Dr. McAllister accepts Medicare assignment.
What is Dr. John W. McAllister's MIPS score?
Dr. McAllister's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Dr. John W. McAllister see?
CMS counts 432 Medicare patients who saw Dr. McAllister in 2024, with an average age of 75.
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What services does Dr. John W. McAllister bill to Medicare?
In 2024, Dr. McAllister's most billed Medicare services were injected or infused drug (J1010), surgery: bones and joints (20611) and diagnostic imaging (73564).
Where did Dr. John W. McAllister go to medical school?
Dr. McAllister graduated from Washington University School of Medicine in 1984.
What drugs does Dr. John W. McAllister prescribe most?
In 2024 Medicare Part D data, Dr. McAllister's most prescribed drugs by claims were Oxycodone-Acetaminophen, Meloxicam and Hydrocodone-Acetaminophen.
Has Dr. John W. McAllister received payments from drug or device companies?
CMS Open Payments shows $19,366 in general payments to Dr. McAllister from 13 companies from 2016 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. John W. McAllister been practicing?
Dr. McAllister graduated from medical school in 1984, 42 years ago.
Does Dr. John W. McAllister do research?
Dr. McAllister has worked on 2 clinical trials.
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