Dr. Michael John Weaver, MD
- Medicare services, 2024
- 467
- Medicare patients, 2024
- 326
- Part D claims, 2024
- 25
- Hospital affiliations
- 5
- Industry payments
- $100,308
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Weaver's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael John Weaver is an orthopedic surgeon in Boston, Massachusetts
Dr. Weaver practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Weaver's NPI, 1427179993, was assigned on April 3, 2007. Dr. Weaver graduated from University of California, Geffen School of Medicine in 2004. Dr. Weaver holds Massachusetts license 239372.
- NPI
- 1427179993NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901959956
- NPI enumeration date
- April 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael John Weaver practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Weaver's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Michael John Weaver is affiliated with 8 sites of care and 4 medical groups
Dr. Weaver's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Weaver is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Weaver to 3 more hospitals, 3 medical groups, 2 home health agencies and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael John Weaver's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weaver practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael John Weaver is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Weaver's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Weaver is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Weaver
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael John Weaver billed Medicare for 467 services in 2024
CMS data shows 467 Medicare services from Dr. Weaver across 9 procedure codes in 2024, for 326 Medicare patients. Medicare paid $87,054 for them.
Dr. Weaver's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3852024: 4148%
- Surgery
- 2023: 342024: 5356%
Where Dr. Weaver's Medicare services took place, 2024
- In an office8518%
- In a facility38282%
Dr. Weaver compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Weaver
- Massachusetts median
- Medicare services
- 467vs 67231% below
- Medicare patients
- 326vs 3028% above
- Part D claims
- 14vs 5072% below
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Weaver'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Weaver and other orthopedic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael John Weaver treated 326 Medicare patients in 2024, average age 75
CMS counts 326 Medicare patients who saw Dr. Weaver in 2024. The largest group is 65 to 74, with 120 patients. 74% of them have high cholesterol, and 73% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.88, 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. Weaver's median patient age at 72, with 60% women.
Dr. Weaver's Medicare patients by age, 2024
Dr. Weaver's Medicare patients by sex, 2024
- Women22569%
- Men10131%
Chronic conditions among Dr. Weaver's Medicare patients, 2024
- High cholesterol74%
- High blood pressure73%
- Arthritis67%
- Osteoporosis55%
- Anxiety44%
- Mood disorders43%
- Depression37%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Weaver's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael John Weaver wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Weaver wrote 25 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $120 in total drug cost.
Dr. Weaver's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Michael John Weaver ranks in the 66th percentile for hip replacement in Medicare
Dr. Weaver accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 20 procedures of hip replacement by Dr. Weaver, more than 66% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Weaver ranks in Medicare procedure volume
- Hip replacement
- 66th percentile20 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 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. Michael John Weaver received $100,308 in industry payments from 2016 to 2025
CMS Open Payments shows 85 general payments to Dr. Weaver from 10 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 78% of the total. SMV Scientific LLC paid the most, $78,212.
General payments to Dr. Weaver by program year, 2016 to 2025
General payments to Dr. Weaver by kind, 2016 to 2025
- Royalties and licenses$78,01678%
- Accredited education speaker fees$8,5008%
- Travel and lodging$7,8568%
- Compensation for serving as faculty or as a speaker for a medical education program$3,0003%
- Other$2,9353%
Companies that paid Dr. Weaver 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. Michael John Weaver graduated from University of California, Geffen School of Medicine
Dr. Weaver graduated from University of California, Geffen School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael John Weaver's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael John Weaver
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. Michael John Weaver's NPI number?
Dr. Michael John Weaver's NPI number is 1427179993. It was assigned on April 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Weaver?
Dr. Michael John Weaver is an orthopedic surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Michael John Weaver practice?
Dr. Weaver practices at 75 Francis Street, Boston, MA 02115. Dr. Weaver's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Weaver to 3 hospitals, 3 medical groups, 2 home health agencies and 1 hospital outpatient department.
What is Dr. Michael John Weaver's office phone number?
The practice phone on file for Dr. Weaver is (617) 732-5500.
What is Dr. Michael John Weaver's medical license number?
Dr. Weaver holds Massachusetts license 239372.
Which hospitals is Dr. Michael John Weaver affiliated with?
Dr. Weaver practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Weaver is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Weaver to 3 more hospitals.
What medical group is Dr. Michael John Weaver part of?
Dr. Weaver is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Weaver to 3 more medical groups.
Does Dr. Michael John Weaver accept Medicare?
Yes. CMS data shows Dr. Weaver billed Medicare for 467 services in 2024, and Dr. Weaver accepts Medicare assignment.
How many Medicare patients does Dr. Michael John Weaver see?
CMS counts 326 Medicare patients who saw Dr. Weaver in 2024, with an average age of 75.
What services does Dr. Michael John Weaver bill to Medicare?
In 2024, Dr. Weaver's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99223) and surgery: bones and joints (27245).
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Where did Dr. Michael John Weaver go to medical school?
Dr. Weaver graduated from University of California, Geffen School of Medicine in 2004.
What drugs does Dr. Michael John Weaver prescribe most?
In 2017 Medicare Part D data, Dr. Weaver's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Michael John Weaver received payments from drug or device companies?
CMS Open Payments shows $100,308 in general payments to Dr. Weaver from 10 companies from 2016 to 2025. The largest total came from SMV Scientific LLC.
How long has Dr. Michael John Weaver been practicing?
Dr. Weaver graduated from medical school in 2004, 22 years ago.
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