Dr. Mark J. Libassi, MD
- Medicare services, 2024
- 526
- Medicare patients, 2024
- 212
- Part D claims, 2024
- 99
- Hospital affiliations
- 1
- Industry payments
- $8,347
- Practice address
- 1201 Langhorne Newtown Rd, Langhorne, PA 19047
- Practice phone
- Call (215) 710-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Mary Medical Center (PA)
Langhorne, Pennsylvania
Find Dr. Libassi'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. Mark J. Libassi is a trauma surgery physician in Langhorne, Pennsylvania
Dr. Libassi practices at St Mary Medical Center (PA) in Langhorne, Pennsylvania.
Dr. Libassi's NPI, 1215967682, was assigned on July 3, 2006. Dr. Libassi graduated from Medical College of Pennsylvania in 1987. Dr. Libassi holds Pennsylvania license MD042679E.
- NPI
- 1215967682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618963463
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 710-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark J. Libassi practices at St Mary Medical Center (PA) in Langhorne, Pennsylvania
Dr. Libassi's primary practice is St Mary Medical Center (PA), at 1201 Langhorne Newtown Rd, Langhorne, PA 19047 in Bucks County. The practice phone is (215) 710-2000.
- St Mary Medical Center (PA)1201 Langhorne Newtown Rd, Langhorne, PA 19047 · Bucks CountyPhone(215) 710-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark J. Libassi is affiliated with 3 sites of care and 2 medical groups
Dr. Libassi's primary practice is St Mary Medical Center (PA) in Langhorne, Pennsylvania. Dr. Libassi is also affiliated with St. Mary Medical Center. The medical group on file is Trinity Health Mid-Atlantic Medical Group. Dmand AI also links Dr. Libassi to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark J. Libassi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Libassi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Mary Medical Center (PA) | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark J. Libassi is one of 77 trauma surgery physicians in Pennsylvania
Trauma surgery is Dr. Libassi's primary specialty in the NPI Registry, under taxonomy code 2086S0127X. Dr. Libassi is licensed in Pennsylvania.
Specialties and state licenses
- Trauma surgery, PennsylvaniaPrimary
Trauma surgery physicians near Dr. Libassi
Counts of trauma surgery physicians 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. Mark J. Libassi billed Medicare for 526 services in 2024
CMS data shows 526 Medicare services from Dr. Libassi across 10 procedure codes in 2024, for 212 Medicare patients. Medicare paid $63,221 for them.
Dr. Libassi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4472024: 4818%
- Surgery
- 2023: 462024: 452%
Where Dr. Libassi's Medicare services took place, 2024
- In an office16331%
- In a facility36369%
Dr. Libassi compared with the Pennsylvania median for trauma surgery physicians, 2024
- Dr. Libassi
- Pennsylvania median
- Medicare services
- 526vs 1703.1 times
- Medicare patients
- 212vs 13063% above
- Part D claims
- 71vs 233.1 times
Medians across 78 trauma surgery physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Libassi'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.
Need commercial claims for Dr. Libassi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Libassi and other trauma surgery physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark J. Libassi treated 212 Medicare patients in 2024, average age 74
CMS counts 212 Medicare patients who saw Dr. Libassi in 2024. The largest group is 75 to 84, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.61, 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. Libassi's median patient age at 68, with 33% women.
Dr. Libassi's Medicare patients by age, 2024
Dr. Libassi's Medicare patients by sex, 2024
- Women8942%
- Men12358%
Chronic conditions among Dr. Libassi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Ischemic heart disease50%
- Diabetes34%
- Anxiety33%
- Chronic kidney disease33%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Libassi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women33%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark J. Libassi wrote 99 Medicare Part D claims in 2024
In 2024, Dr. Libassi wrote 99 Medicare Part D claims for 85 patients. 100% of them were for generic drugs. CMS names the drug for 71 of them, across 1 drug with 11 or more claims each, at $104 in total drug cost. In 2023, CMS named 79 claims across 1 drug.
Dr. Libassi'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. Libassi's Part D claims, 2024
- Opioids79%78 of 99 claims
- Antibiotics17%17 of 99 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: 792024: 7110%
Drugs named by CMS: 1 in 2024, 1 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. Mark J. Libassi ranks in the 99th percentile for hernia repair (minimally invasive) in Medicare
Dr. Libassi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 67 procedures of hernia repair (minimally invasive) by Dr. Libassi, more than 99% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Libassi ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 99th percentile67 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Prostate resection: 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. Mark J. Libassi received $8,347 in industry payments from 2016 to 2025
CMS Open Payments shows 93 general payments to Dr. Libassi from 19 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $6,582.
General payments to Dr. Libassi by program year, 2016 to 2025
General payments to Dr. Libassi by kind, 2016 to 2025
- Travel and lodging$4,36752%
- Food and beverage$2,96436%
- Education$1,00012%
- Gifts$160%
Companies that paid Dr. Libassi 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. Mark J. Libassi graduated from Medical College of Pennsylvania
Dr. Libassi graduated from Medical College of Pennsylvania in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark J. Libassi'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 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. Mark J. Libassi
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. Mark J. Libassi's NPI number?
Dr. Mark J. Libassi's NPI number is 1215967682. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark J. Libassi?
Dr. Mark J. Libassi is a trauma surgery physician in Langhorne, Pennsylvania. The primary specialty in the NPI Registry is Trauma Surgery Physician (taxonomy code 2086S0127X).
Where does Dr. Mark J. Libassi practice?
Dr. Libassi practices at 1201 Langhorne Newtown Rd, Langhorne, PA 19047. Dr. Libassi's primary practice is St Mary Medical Center (PA) in Langhorne, Pennsylvania. Dmand AI also links Dr. Libassi to 1 group practice or clinic and 1 medical group.
What is Dr. Mark J. Libassi's office phone number?
The practice phone on file for Dr. Libassi is (215) 710-2000.
What is Dr. Mark J. Libassi's medical license number?
Dr. Libassi holds Pennsylvania license MD042679E.
Which hospitals is Dr. Mark J. Libassi affiliated with?
Dr. Libassi is affiliated with St. Mary Medical Center.
What medical group is Dr. Mark J. Libassi part of?
Dr. Libassi is linked to Trinity Health Mid-Atlantic Medical Group. Dmand AI links Dr. Libassi to 1 more medical group.
Does Dr. Mark J. Libassi accept Medicare?
Yes. CMS data shows Dr. Libassi billed Medicare for 526 services in 2024, and Dr. Libassi accepts Medicare assignment.
How many Medicare patients does Dr. Mark J. Libassi see?
CMS counts 212 Medicare patients who saw Dr. Libassi in 2024, with an average age of 74.
What services does Dr. Mark J. Libassi bill to Medicare?
In 2024, Dr. Libassi's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Mark J. Libassi go to medical school?
Dr. Libassi graduated from Medical College of Pennsylvania in 1987.
What drugs does Dr. Mark J. Libassi prescribe most?
In 2024 Medicare Part D data, Dr. Libassi's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. Mark J. Libassi received payments from drug or device companies?
CMS Open Payments shows $8,347 in general payments to Dr. Libassi from 19 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Mark J. Libassi been practicing?
Dr. Libassi graduated from medical school in 1987, 39 years ago.
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