John Mcallister, MD
NPI 1497857965 · Orthopaedic Surgery Physician · St. Peters, MO
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mcallister, MD is a Orthopaedic Surgery Physician provider in St. Peters, MO (NPI 1497857965).
Provider details
- NPI number
- 1497857965
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R3J06 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
899 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 126 | $101 |
| X-Ray of Knee, 4 Or More Views73564 | 126 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 113 | $87 |
| X-Ray of Hip, 2-3 Views73502 | 79 | $45 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 74 | $1,220 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 229 | 171 |
| Meloxicam | 47 | 23 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 29 | 26 |
| Methylprednisolone | 17 | 17 |
| Tapentadol Hclbrand: Nucynta | 12 | — |
| Mupirocin | 11 | 11 |
| Oxycodone Hcl | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-03
- Last updated
- 2011-08-19
Frequently asked questions
- What is John Mcallister's NPI number?
- John Mcallister's National Provider Identifier (NPI) is 1497857965, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mcallister's specialty?
- John Mcallister is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Mcallister located?
- John Mcallister's practice location on file with NPPES is 112 Piper Hill Drive, St. Peters, MO 63376-1690.
- What is John Mcallister's phone number?
- The practice phone number listed in the NPPES registry for John Mcallister is (636) 441-3444.
- Does John Mcallister accept Medicare?
- John Mcallister is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mcallister's NPI active?
- Yes — John Mcallister's NPI (1497857965) is active in the NPPES registry as of the last update on 2011-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.