Seth Gregory Mahan, PA-C
- Medicare services, 2024
- 131
- Medicare patients, 2024
- 148
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Industry payments
- $33
- Practice address
- 3300 Tillman Drive, Bensalem, PA 19020
- Practice phone
- Call (215) 244-7400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Seth Gregory Mahan is an orthopedic surgeon in Bensalem, Pennsylvania
Seth Mahan practices at Rothman Orthopaedic Specialty Hospital in Bensalem, Pennsylvania, part of Thomas Jefferson University.
Seth Mahan's NPI, 1225282585, was assigned on November 12, 2008. Seth Mahan holds Delaware license C5-0000644.
- NPI
- 1225282585NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183781529
- NPI enumeration date
- November 12, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 244-7400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Seth Gregory Mahan practices at Rothman Orthopaedic Specialty Hospital in Bensalem, Pennsylvania
Seth Mahan's primary practice is Rothman Orthopaedic Specialty Hospital, at 3300 Tillman Drive, Bensalem, PA 19020 in Bucks County. The practice phone is (215) 244-7400.
- Rothman Orthopaedic Specialty Hospital3300 Tillman Drive, Bensalem, PA 19020 · Bucks CountyPhone(215) 244-7400
Source: Dmand AI Affiliation Data
Seth Gregory Mahan is affiliated with 3 sites of care and 2 medical groups
Seth Mahan's primary practice is Rothman Orthopaedic Specialty Hospital in Bensalem, Pennsylvania, part of Thomas Jefferson University. Seth Mahan is also affiliated with Physicians Care Surgical Hospital. The medical group on file is Rothman Orthopaedics. Dmand AI also links Seth Mahan to 1 more hospital outpatient department and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Seth Gregory Mahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Seth Mahan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rothman Orthopaedic Specialty Hospital | 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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Seth Gregory Mahan is one of 994 orthopedic surgeons in Pennsylvania
Orthopaedic surgery is Seth Mahan's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Seth Mahan is licensed in Delaware.
Specialties and state licenses
- Orthopaedic surgery, DelawarePrimary
Orthopedic surgeons near Seth Mahan
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
Seth Gregory Mahan billed Medicare for 131 services in 2024
CMS data shows 131 Medicare services from Seth Mahan across 2 procedure codes in 2024, for 148 Medicare patients. Medicare paid $19,136 for them. Every service was in a facility, such as a hospital, rather than an office.
Seth Mahan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1462024: 13110%
Seth Mahan compared with the Pennsylvania median for orthopedic surgeons, 2024
- Seth Mahan
- Pennsylvania median
- Medicare services
- 131vs 1,15389% below
- Medicare patients
- 148vs 27646% below
Medians across 929 orthopedic surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Seth Mahan'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
Seth Gregory Mahan treated 148 Medicare patients in 2024, average age 72
CMS counts 148 Medicare patients who saw Seth Mahan in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Seth Mahan's median patient age at 64, with 67% women.
Seth Mahan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Seth Mahan's Medicare patients by sex, 2024
- Women9363%
- Men5537%
Chronic conditions among Seth Mahan's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety24%
- Ischemic heart disease23%
- Mood disorders23%
- Depression20%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Seth Mahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Seth Gregory Mahan scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Seth Mahan for performance year 2024, reported as part of a group. Seth Mahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Seth Mahan's MIPS scores, performance year 2024
- 88of 100Final score
- 79of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 83of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Seth Gregory Mahan received $33 in industry payments from 2023 to 2025
CMS Open Payments shows 2 general payments to Seth Mahan from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $17.
General payments to Seth Mahan by program year, 2023 to 2025
Companies that paid Seth Mahan the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Seth Gregory Mahan'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) |
| 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) |
| 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 Seth Gregory Mahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Seth Gregory Mahan's NPI number?
Seth Gregory Mahan's NPI number is 1225282585. It was assigned on November 12, 2008, and it is active in the NPI Registry.
What does Seth Gregory Mahan specialize in?
Seth Gregory Mahan is an orthopedic surgeon in Bensalem, Pennsylvania. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Seth Gregory Mahan practice?
Seth Mahan practices at 3300 Tillman Drive, Bensalem, PA 19020. Seth Mahan's primary practice is Rothman Orthopaedic Specialty Hospital in Bensalem, Pennsylvania, part of Thomas Jefferson University. Dmand AI also links Seth Mahan to 1 hospital outpatient department and 1 medical group.
What is Seth Gregory Mahan's office phone number?
The practice phone on file for Seth Mahan is (215) 244-7400.
What is Seth Gregory Mahan's medical license number?
Seth Mahan holds Delaware license C5-0000644.
Which hospitals is Seth Gregory Mahan affiliated with?
Seth Mahan practices at Rothman Orthopaedic Specialty Hospital in Bensalem, Pennsylvania. Seth Mahan is also affiliated with Physicians Care Surgical Hospital.
What medical group is Seth Gregory Mahan part of?
Seth Mahan is linked to Rothman Orthopaedics. Dmand AI links Seth Mahan to 1 more medical group.
Does Seth Gregory Mahan accept Medicare?
Yes. CMS data shows Seth Mahan billed Medicare for 131 services in 2024, and Seth Mahan accepts Medicare assignment.
What is Seth Gregory Mahan's MIPS score?
Seth Mahan's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Seth Gregory Mahan see?
CMS counts 148 Medicare patients who saw Seth Mahan in 2024, with an average age of 72.
Show 3 more questionsShow fewer questions
What services does Seth Gregory Mahan bill to Medicare?
In 2024, Seth Mahan's most billed Medicare services were surgery: bones and joints (27447) and surgery: bones and joints (27130).
Has Seth Gregory Mahan received payments from drug or device companies?
CMS Open Payments shows $33 in general payments to Seth Mahan from 2 companies from 2023 to 2025. The largest total came from Baxter Healthcare.
How long has Seth Gregory Mahan been practicing?
Seth Mahan graduated from medical school in 2008, 18 years ago.
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