Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Jon J P Warner , MD

Orthopaedic Surgery • Boston, MA

Active NPI 1356326441 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

55 Fruit Street, Yawkey 3g
Boston, MA 021142696

Call 6177247300 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

55 Fruit Street
Yawkey 3g

Boston, MA 021142696

Telephone 6177247300
Fax 6177243846
Organization at the Same NPPES Address or Phone
Mgh Outpatient Pharmacy Facility NPI 1902991573

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Massachusetts General Physicians Organization Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

University Of Rochester School Of Medicine And Dentistry

Graduation Year

1982

Medicare patients

314 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $157,504 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $122,110 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Open Payments general payments, program year 2025

All general payments: $2,006,684.12 across 82 records.

By nature of payment (3 largest of 4)

  • Royalty or License: $1,908,047.49 across 17 records.
  • Consulting Fee: $86,457.50 across 19 records.
  • Travel and Lodging: $9,935.84 across 24 records.

Reporting-company totals (3 largest of 7)

  • Stryker Corporation: $1,993,757.21 across 69 records.
  • Medical Device Business Services, Inc.: $11,858.13 across 6 records.
  • EXACTECH, INC.: $498.90 across 3 records.

Research and ownership records are not included in these totals; they are in the table below.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

44 years (graduated 1982)

CMS Doctors and Clinicians data list 1982 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2005

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Warner has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Warner as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Boston and Massachusetts

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Close to the middle for clinicians listed under Orthopaedic Surgery in Boston, MA (2024, 108 clinicians with data). Median for this group: 523. Middle half: 198 to 991.

Fewer Medicare Part B services than 60% of clinicians listed under Orthopaedic Surgery in Massachusetts (2024, 379 clinicians with data). Median for this group: 943. Middle half: 391 to 2,997.

Medicare-allowed amount

A higher Medicare-allowed amount than 70% of clinicians listed under Orthopaedic Surgery in Boston, MA (2024, 108 clinicians with data). Median for this group: $72,139. Middle half: $21,337 to $160,217.

A higher Medicare-allowed amount than 65% of clinicians listed under Orthopaedic Surgery in Massachusetts (2024, 379 clinicians with data). Median for this group: $106,534. Middle half: $39,615 to $188,576.

Paid by Medicare

A higher Medicare payment amount than 70% of clinicians listed under Orthopaedic Surgery in Boston, MA (2024, 108 clinicians with data). Median for this group: $56,494. Middle half: $16,235 to $122,740.

A higher Medicare payment amount than 65% of clinicians listed under Orthopaedic Surgery in Massachusetts (2024, 379 clinicians with data). Median for this group: $78,919. Middle half: $29,480 to $142,985.

265 active clinicians are listed under Orthopaedic Surgery with a practice address in Boston, MA (692 in Massachusetts).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Boston

20.8% of these 265 clinicians have the CMS telehealth indicator.

54.3% of these 265 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 83 records totaling $2,056,743.15.

Manufacturer Payment Nature Product Type Amount ($)
Stryker Corporation
Royalty or License
Cash or cash equivalent
AEQUALIS PERFORM General $199,118.32
Stryker Corporation
Royalty or License
Cash or cash equivalent
AEQUALIS PERFORM General $195,811.19
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $182,393.72
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $181,504.70
Stryker Corporation
Royalty or License
Cash or cash equivalent
AEQUALIS PERFORM General $176,608.29
Stryker Corporation
Royalty or License
Cash or cash equivalent
AEQUALIS PERFORM General $172,327.57
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $170,031.94
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $169,378.43
Stryker Corporation
Royalty or License
Cash or cash equivalent
TORNIER PERFORM REVERSED GLENOID General $93,414.89
Stryker Corporation
Royalty or License
Cash or cash equivalent
TORNIER PERFORM REVERSED GLENOID General $92,009.18
Stryker Corporation
Royalty or License
Cash or cash equivalent
TORNIER PERFORM REVERSED GLENOID General $71,365.28
ZuriMED Technologies Inc.
Equity interest in privately held medical device company
— Ownership $50,059.03
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $48,509.72
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $40,088.37
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $39,498.55
Stryker Corporation
Royalty or License
Cash or cash equivalent
ARTHROTUNNELER TUNNELPRO SYSTEM General $37,732.84
Stryker Corporation
Royalty or License
Cash or cash equivalent
TORNIER PERFORM REVERSED GLENOID General $37,072.03
Stryker Corporation
Consulting Fee
Cash or cash equivalent
AEQUALIS PERFORM General $18,425.00
Stryker Corporation
Consulting Fee
Cash or cash equivalent
BLUEPRINT PATIENT SPECIFIC INSTRUMENTATION General $15,950.00
Stryker Corporation
Consulting Fee
Cash or cash equivalent
AEQUALIS PERFORM General $10,725.00
Medical Device Business Services, Inc.
Consulting Fee
Cash or cash equivalent
— General $9,720.00
Stryker Corporation
Consulting Fee
Cash or cash equivalent
AEQUALIS ASCEND FLEX General $6,050.00
Stryker Corporation
Consulting Fee
Cash or cash equivalent
AEQUALIS PERFORM General $3,850.00
Stryker Corporation
Consulting Fee
Cash or cash equivalent
AEQUALIS General $3,575.00
Stryker Corporation
Consulting Fee
Cash or cash equivalent
TORNIER PERFORM ANATOMIC AUGMENTED GLENOID General $3,300.00

(top 25 shown)

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
383 223 $393.78 $98.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
131 131 $510.35 $121.54
23472 Prosthetic repair of shoulder joint, total shoulder
37 35 $8040.54 $1815.89
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope
15 15 $3900.00 $178.58
29827 Repair of shoulder rotator cuff using an endoscope
13 13 $6807.69 $1227.56
23472 Prosthetic repair of shoulder joint, total shoulder
11 11 $8590.91 $1643.11

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Specialties & License Numbers Reported to NPPES

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

License # reported to NPPES MA 54152

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Massachusetts Board of Registration in Medicine.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
3025489 (MA)
Other Identifier Tufts Health Plan
709388 (MA)
Other Identifier Bcbs Ma
J06646 (MA)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - ORTHOPEDIC SURGERY

Medicare Enrollment ID

I20040702001020

Enrollment State Jurisdiction

MA

PECOS Control ID

6709863137

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Massachusetts General Physicians Organization Inc

20 Patriot Pl, Foxborough, MA 020351375

Phone: 8663789164

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

4 listed
Matthew Galati , PA-C

Physician Assistant

NPI 1366017204

Physician Assistant (Certified)

Dr. Sally Jo , MD

Orthopaedic Surgery

NPI 1467012666

Doctor of Medicine (M.D.)

Dr. Ryan Lohre , MD

Orthopaedic Surgery

NPI 1871160010

Doctor of Medicine (M.D.)

Dr. Kathryn Whitelaw , MD

Orthopaedic Surgery

NPI 1548889256

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated December 12, 2005.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1356326441
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 12, 2005
Last Update: June 26, 2014
Sole Proprietor: No

Other Orthopaedic Surgery Specialists in Boston

All Orthopaedic Surgery Specialists in Boston

Mailing Address

Po Box 9142

Charlestown, MA 021299142

Phone: 6177247300

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.