J Am Acad Orthop Surg
Intraoperative ComplicationsLength of StayLumbar Vertebrae
Dr. Christopher L. Hamill, MD
NPI1164495446PAC ID7517918444
- Medicare services, 2024
- 209
- Medicare patients, 2024
- 84
- Publications
- 5
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Practice address
- 4949 Harlem Rd, Buffalo, NY 14226
- Practice phone
- Call (716) 829-3670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Orthopaedic Services Inc.
Buffalo, New York
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Dr. Christopher L. Hamill is an orthopedic surgeon in Buffalo, New York
Dr. Hamill practices at University Orthopaedic Services Inc. in Buffalo, New York.
Dr. Hamill's NPI, 1164495446, was assigned on February 8, 2006. Dr. Hamill holds New York license 200675.
NPI and contact details
- NPI
- 1164495446NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517918444
- NPI enumeration date
- February 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (716) 829-3670
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher L. Hamill practices at University Orthopaedic Services Inc. in Buffalo, New York
Dr. Hamill's primary practice is University Orthopaedic Services Inc., at 4949 Harlem Rd, Buffalo, NY 14226 in Erie County. The practice phone is (716) 829-3670.
- University Orthopaedic Services Inc.4949 Harlem Rd, Buffalo, NY 14226 · Erie CountyPhone(716) 829-3670
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher L. Hamill is affiliated with 2 sites of care and 1 medical group
Dr. Hamill's primary practice is University Orthopaedic Services Inc. in Buffalo, New York. Dr. Hamill is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is UBMD Orthopaedics & Sports Medicine.
University Orthopaedic Services Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher L. Hamill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamill practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Orthopaedic Services Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher L. Hamill is one of 1,151 orthopedic surgeons in New York
Orthopaedic surgery is Dr. Hamill's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Hamill is licensed in New York.
Specialties and state licenses
- Orthopaedic surgery, New YorkPrimary
Orthopedic surgeons near Dr. Hamill
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. Christopher L. Hamill billed Medicare for 209 services in 2024
CMS data shows 209 Medicare services from Dr. Hamill across 5 procedure codes in 2024, for 84 Medicare patients. Medicare paid $10,498 for them. Every service was in an office.
Medicare services, 2024209
Medicare patients84
Paid by Medicare$10,498
Procedure codes5
Dr. Hamill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1132024: 14528%
- Office and hospital visits
- 2023: 822024: 6422%
- Surgery
- 2023: 152024: 0100%
Dr. Hamill compared with the New York median for orthopedic surgeons, 2024
- Dr. Hamill
- New York median
- Medicare services
- 209vs 72671% below
- Medicare patients
- 84vs 23664% below
Medians across 1,081 orthopedic surgeons in New York with Dmand AI profiles that report each measure.
Dr. Hamill'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. Hamill and other orthopedic surgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher L. Hamill treated 84 Medicare patients in 2024, average age 74
CMS counts 84 Medicare patients who saw Dr. Hamill in 2024. The largest group is 75 to 84, with 38 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.25, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hamill's median patient age at 66, with 57% women.
Medicare patients, 202484
Average age74
Average risk score1.25
Dr. Hamill's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hamill's Medicare patients by sex, 2024
- Women4857%
- Men3643%
Chronic conditions among Dr. Hamill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis73%
- Ischemic heart disease39%
- Anxiety32%
- Diabetes30%
- Chronic kidney disease29%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hamill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher L. Hamill scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Hamill for performance year 2024, reported as part of a group. Dr. Hamill accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 404 procedures of spinal fusion by Dr. Hamill, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Hamill's MIPS scores, performance year 2024
- 89of 100Final score
- 77.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Hamill ranks in Medicare procedure volume
- Spinal fusion
- 98th percentile404 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 93rd percentile94 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Christopher L. Hamill has 5 publications on record
Dmand AI links 5 papers to Dr. Hamill, published from 2023 to 2024. The most frequent topics are Osteotomy, Spinal Fusion and Disability Evaluation. Dr. Hamill has published most often in J Am Acad Orthop Surg. Dr. Hamill's most frequent co-authors are Christopher J. Lucasti, DO, Sigurd Harald Berven, MD and Stephen Ondra, MD.
Papers5
Years published2023 to 2024
Topics Dr. Hamill writes about most
- Osteotomy
- Spinal Fusion
- Disability Evaluation
- Pain
- Postoperative Complications
- Scoliosis
Dr. Hamill's most frequent co-authors
- Christopher J. Lucasti, DO3 shared papers
- Sigurd Harald Berven, MD2 shared papers
- Stephen Ondra, MD2 shared papers
Recent publications by Dr. Hamill
J Am Acad Orthop Surg
OsteotomySpinal FusionSpine
Spine (Phila Pa 1976)
Decompression, SurgicalDisability EvaluationHealth Status
Spine (Phila Pa 1976)
Disability EvaluationKyphosisPain
See who Dr. Hamill researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hamill works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher L. Hamill received $1,225,919 in industry payments from 2016 to 2025
CMS Open Payments shows 454 general payments to Dr. Hamill from 24 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 82% of the total. Alphatec Spine, Inc paid the most, $1,215,794.
General payments to Dr. Hamill by program year, 2016 to 2025
General payments to Dr. Hamill by kind, 2016 to 2025
$1.2Min total
- Royalties and licenses$1,000,73082%
- Consulting fees$155,59013%
- Travel and lodging$56,7045%
- Food and beverage$11,7621%
- Other$1,1320%
Companies that paid Dr. Hamill the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christopher L. Hamill'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Christopher L. Hamill
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. Christopher L. Hamill's NPI number?
Dr. Christopher L. Hamill's NPI number is 1164495446. It was assigned on February 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher L. Hamill?
Dr. Christopher L. Hamill is an orthopedic surgeon in Buffalo, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Christopher L. Hamill practice?
Dr. Hamill practices at 4949 Harlem Rd, Buffalo, NY 14226. Dr. Hamill's primary practice is University Orthopaedic Services Inc. in Buffalo, New York.
What is Dr. Christopher L. Hamill's office phone number?
The practice phone on file for Dr. Hamill is (716) 829-3670.
What is Dr. Christopher L. Hamill's medical license number?
Dr. Hamill holds New York license 200675.
Which hospitals is Dr. Christopher L. Hamill affiliated with?
Dr. Hamill is affiliated with Buffalo General Medical Center/Gates Vascular Institute.
What medical group is Dr. Christopher L. Hamill part of?
Dr. Hamill is linked to UBMD Orthopaedics & Sports Medicine.
Does Dr. Christopher L. Hamill accept Medicare?
Yes. CMS data shows Dr. Hamill billed Medicare for 209 services in 2024, and Dr. Hamill accepts Medicare assignment.
What is Dr. Christopher L. Hamill's MIPS score?
Dr. Hamill's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christopher L. Hamill see?
CMS counts 84 Medicare patients who saw Dr. Hamill in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Christopher L. Hamill bill to Medicare?
In 2024, Dr. Hamill's most billed Medicare services were diagnostic imaging (72082), radiation oncology (77073) and office visit, established patient (99213).
Has Dr. Christopher L. Hamill received payments from drug or device companies?
CMS Open Payments shows $1,225,919 in general payments to Dr. Hamill from 24 companies from 2016 to 2025. The largest total came from Alphatec Spine, Inc.
How long has Dr. Christopher L. Hamill been practicing?
Dr. Hamill graduated from medical school in 1989, 37 years ago.
Does Dr. Christopher L. Hamill do research?
Dmand AI links 5 publications to Dr. Hamill, published from 2023 to 2024.
Who does Dr. Christopher L. Hamill publish with?
Dr. Hamill's most frequent co-authors are Christopher J. Lucasti, DO (3 shared papers), Sigurd Harald Berven, MD (2 shared papers) and Stephen Ondra, MD (2 shared papers).
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