Jon Warner, MD
NPI 1356326441 · Orthopaedic Surgery Physician · Boston, MA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Warner, MD is a Orthopaedic Surgery Physician provider in Boston, MA (NPI 1356326441).
Provider details
- NPI number
- 1356326441
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 54152 (MA)
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
20 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
590 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 383 | $98 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 131 | $122 |
| Prosthetic Repair of Shoulder Joint, Total Shoulder23472 | 37 | $1,816 |
| Shaving of Part of Shoulder Bone and Repair of Ligament Using an Endoscope29826 | 15 | $179 |
| Repair of Shoulder Rotator Cuff Using an Endoscope29827 | 13 | $1,228 |
| Prosthetic Repair of Shoulder Joint, Total Shoulder |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,294,789 across 83 records (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
- 2005-12-12
- Last updated
- 2014-06-26
Frequently asked questions
- What is Jon Warner's NPI number?
- Jon Warner's National Provider Identifier (NPI) is 1356326441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Warner's specialty?
- Jon Warner is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Warner located?
- Jon Warner's practice location on file with NPPES is 55 Fruit Street, Boston, MA 02114-2696.
- What is Jon Warner's phone number?
- The practice phone number listed in the NPPES registry for Jon Warner is (617) 724-7300.
- Does Jon Warner accept Medicare?
- Jon Warner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Warner's NPI active?
- Yes — Jon Warner's NPI (1356326441) is active in the NPPES registry as of the last update on 2014-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.