ArthrodesisBiomechanical PhenomenaBone Plates
Dr. John A. Karbassi, MD
NPI1376740456PAC ID6305075680
- Medicare services, 2024
- 11,763
- Medicare patients, 2024
- 608
- Part D claims, 2024
- 125
- Publications
- 3
- MIPS score, 2024
- 75
- Practice address
- One Orthopedics Drive, Peabody, MA 01960
- Practice phone
- Call (978) 818-6360
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthopedic Surgical Center of the North Shore (One Orthopedics Dr)
Surgery Center - Medicare-Certified · Peabody, Massachusetts
Find Dr. Karbassi's professional email, personal email and mobile number
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Dr. John A. Karbassi is an orthopedic surgeon in Peabody, Massachusetts
Dr. Karbassi practices at Orthopedic Surgical Center of the North Shore (One Orthopedics Dr) in Peabody, Massachusetts.
Dr. Karbassi's NPI, 1376740456, was assigned on July 2, 2007. Dr. Karbassi graduated from Eastern Virginia Medical School in 2007. Dr. Karbassi holds Massachusetts license 257449.
NPI and contact details
- NPI
- 1376740456NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305075680
- NPI enumeration date
- July 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 818-6360
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John A. Karbassi practices at 2 locations in Peabody, Massachusetts
Dr. Karbassi's primary practice is Orthopedic Surgical Center of the North Shore (One Orthopedics Dr), at One Orthopedics Drive, Peabody, MA 01960. The practice phone is (978) 818-6360. Dr. Karbassi also practices at Orthopedics Surgical Center of the North Shore LLC, 1 Orthopedics Dr, Peabody, MA 01960.
- Orthopedic Surgical Center of the North Shore (One Orthopedics Dr)PrimaryOne Orthopedics Drive, Peabody, MA 01960Phone(978) 818-6360
- Orthopedics Surgical Center of the North Shore LLC1 Orthopedics Dr, Peabody, MA 01960 · Essex CountyPhone(978) 818-6517
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. John A. Karbassi is affiliated with 8 sites of care and 1 medical group
Dr. Karbassi's primary practice is Orthopedic Surgical Center of the North Shore (One Orthopedics Dr) in Peabody, Massachusetts. Dr. Karbassi is also affiliated with Beverly Hospital. The medical group on file is Sports Medicine North Orthopedic Surgery. Dmand AI also links Dr. Karbassi to 3 more hospitals, 1 group practice or clinic, 1 home health agency and 1 ambulatory surgery center, each named with a free account.
Orthopedic Surgical Center of the North Shore (One Orthopedics Dr)Primary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John A. Karbassi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karbassi practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthopedic Surgical Center of the North Shore (One Orthopedics Dr) | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John A. Karbassi is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Karbassi's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Karbassi is licensed in Massachusetts.
Specialties and state licenses
- Orthopaedic surgery, MassachusettsPrimary
Orthopedic surgeons near Dr. Karbassi
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
593orthopedic surgeons in Massachusetts
7orthopedic surgeons in Peabody
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John A. Karbassi billed Medicare for 11,763 services in 2024
CMS data shows 11,763 Medicare services from Dr. Karbassi across 14 procedure codes in 2024, for 608 Medicare patients. Medicare paid $112,945 for them.
Medicare services, 202411,763
Medicare patients608
Paid by Medicare$112,945
Procedure codes14
Dr. Karbassi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 3072024: 9,5623015%
- Office and hospital visits
- 2023: 1,0942024: 1,0355%
- Imaging
- 2023: 6582024: 86031%
- Surgery
- 2023: 2962024: 3063%
Where Dr. Karbassi's Medicare services took place, 2024
- In an office11,748100%
- In a facility150%
Dr. Karbassi compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Karbassi
- Massachusetts median
- Medicare services
- 11,763vs 67217.5 times
- Medicare patients
- 608vs 3022.0 times
- Part D claims
- 76vs 5052% above
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Karbassi'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John A. Karbassi treated 608 Medicare patients in 2024, average age 73
CMS counts 608 Medicare patients who saw Dr. Karbassi in 2024. The largest group is 65 to 74, with 305 patients. 75% of them have high cholesterol, and 70% have arthritis. 15% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Karbassi's median patient age at 62, with 63% women.
Medicare patients, 2024608
Average age73
Average risk score0.96
Also on Medicaid15%
Dr. Karbassi's Medicare patients by age, 2024
Dr. Karbassi's Medicare patients by sex, 2024
- Women41668%
- Men19232%
Chronic conditions among Dr. Karbassi's Medicare patients, 2024
- High cholesterol75%
- Arthritis70%
- High blood pressure68%
- Anxiety35%
- Mood disorders31%
- Depression26%
- Osteoporosis23%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karbassi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John A. Karbassi wrote 125 Medicare Part D claims in 2024
In 2024, Dr. Karbassi wrote 125 Medicare Part D claims for 72 patients. 100% of them were for generic drugs. CMS names the drug for 76 of them, across 3 drugs with 11 or more claims each, at $202 in total drug cost. In 2023, CMS named 189 claims across 6 drugs.
Part D claims, 2024125
Drugs named by CMS3
Total drug cost$202
Part D patients72
Dr. Karbassi's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Karbassi's Part D claims, 2024
- Opioids16%20 of 125 claims
- Antibiotics9%11 of 125 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1892024: 7660%
Drugs named by CMS: 3 in 2024, 6 in 2023.
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. John A. Karbassi scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Karbassi for performance year 2024, reported as part of a group. Dr. Karbassi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
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); 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. John A. Karbassi has 3 publications on record
Dmand AI links 3 papers to Dr. Karbassi, published from 2015 to 2017. The most frequent topics are Arthrodesis. Dr. Karbassi's most frequent co-authors are Abhay R. Patel, MD, Philip Aurigemma, MD and Andrew J. Braziel, MD.
Papers3
Years published2015 to 2017
Dr. Karbassi's papers by year, 2015 to 2017
Topics Dr. Karbassi writes about most
- Arthrodesis
Dr. Karbassi's most frequent co-authors
- Abhay R. Patel, MD2 shared papers
- Philip Aurigemma, MD1 shared paper
- Andrew J. Braziel, MD1 shared paper
Recent publications by Dr. Karbassi
ArthrodesisExerciseFoot Joints
See who Dr. Karbassi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Karbassi 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. John A. Karbassi received $3,039 in industry payments from 2016 to 2025
CMS Open Payments shows 33 general payments to Dr. Karbassi from 8 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 44% of the total. DePuy Synthes Sales Inc. paid the most, $1,473.
General payments to Dr. Karbassi by program year, 2016 to 2025
General payments to Dr. Karbassi by kind, 2016 to 2025
$3Kin total
- Consulting fees$1,35044%
- Food and beverage$1,33944%
- Travel and lodging$35012%
Companies that paid Dr. Karbassi 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. John A. Karbassi graduated from Eastern Virginia Medical School
Dr. Karbassi graduated from Eastern Virginia Medical School in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John A. Karbassi'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 Affiliation DataDmand AI Practice 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)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) |
| 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. John A. Karbassi
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. John A. Karbassi's NPI number?
Dr. John A. Karbassi's NPI number is 1376740456. It was assigned on July 2, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John A. Karbassi?
Dr. John A. Karbassi is an orthopedic surgeon in Peabody, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John A. Karbassi practice?
Dr. Karbassi practices at One Orthopedics Drive, Peabody, MA 01960. Dr. Karbassi also practices at 1 Orthopedics Dr, Peabody, MA 01960. Dr. Karbassi's primary practice is Orthopedic Surgical Center of the North Shore (One Orthopedics Dr) in Peabody, Massachusetts. Dmand AI also links Dr. Karbassi to 3 hospitals, 1 group practice or clinic, 1 home health agency and 1 ambulatory surgery center.
What is Dr. John A. Karbassi's office phone number?
The practice phone on file for Dr. Karbassi is (978) 818-6360.
What is Dr. John A. Karbassi's medical license number?
Dr. Karbassi holds Massachusetts license 257449.
Which hospitals is Dr. John A. Karbassi affiliated with?
Dr. Karbassi is affiliated with Beverly Hospital. Dmand AI links Dr. Karbassi to 3 more hospitals.
What medical group is Dr. John A. Karbassi part of?
Dr. Karbassi is linked to Sports Medicine North Orthopedic Surgery.
Does Dr. John A. Karbassi accept Medicare?
Yes. CMS data shows Dr. Karbassi billed Medicare for 11,763 services in 2024, and Dr. Karbassi accepts Medicare assignment.
What is Dr. John A. Karbassi's MIPS score?
Dr. Karbassi's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. John A. Karbassi see?
CMS counts 608 Medicare patients who saw Dr. Karbassi in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. John A. Karbassi bill to Medicare?
In 2024, Dr. Karbassi's most billed Medicare services were injected or infused drug (J1010), diagnostic imaging (73630) and office visit, established patient (99213).
Where did Dr. John A. Karbassi go to medical school?
Dr. Karbassi graduated from Eastern Virginia Medical School in 2007.
What drugs does Dr. John A. Karbassi prescribe most?
In 2024 Medicare Part D data, Dr. Karbassi's most prescribed drugs by claims were Meloxicam, Prednisone and Oxycodone HCl.
Has Dr. John A. Karbassi received payments from drug or device companies?
CMS Open Payments shows $3,039 in general payments to Dr. Karbassi from 8 companies from 2016 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. John A. Karbassi been practicing?
Dr. Karbassi graduated from medical school in 2007, 19 years ago.
Does Dr. John A. Karbassi do research?
Dmand AI links 3 publications to Dr. Karbassi, published from 2015 to 2017.
Who does Dr. John A. Karbassi publish with?
Dr. Karbassi's most frequent co-authors are Abhay R. Patel, MD (2 shared papers), Philip Aurigemma, MD (1 shared paper) and Andrew J. Braziel, MD (1 shared paper).
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