Mark Stephen Pfaff
- Medicare services, 2024
- 3,355
- Medicare patients, 2024
- 489
- Part D claims, 2024
- 530
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Practice address
- 160 Railroad Ave, Elkton, MD 21921
- Practice phone
- Call (410) 996-8686
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chesapeake Bone and Joint Center
Elkton, Maryland
Find Mark Pfaff'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.
Mark Stephen Pfaff is an orthopedic surgeon in Elkton, Maryland
Mark Pfaff practices at Chesapeake Bone and Joint Center in Elkton, Maryland.
Mark Pfaff's NPI, 1194728469, was assigned on May 31, 2005. Mark Pfaff graduated from Philadelphia College of Osteopathic Medicine in 1998. Mark Pfaff holds Maryland license H0-063647.
- NPI
- 1194728469NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254393416
- NPI enumeration date
- May 31, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 996-8686
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Stephen Pfaff practices at Chesapeake Bone and Joint Center in Elkton, Maryland
Mark Pfaff's primary practice is Chesapeake Bone and Joint Center, at 160 Railroad Ave, Elkton, MD 21921 in Cecil County. The practice phone is (410) 996-8686.
- Chesapeake Bone and Joint Center160 Railroad Ave, Elkton, MD 21921 · Cecil CountyPhone(410) 996-8686
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark Stephen Pfaff is affiliated with 4 sites of care and 1 medical group
Mark Pfaff's primary practice is Chesapeake Bone and Joint Center in Elkton, Maryland. Mark Pfaff is also affiliated with ChristianaCare Union Hospital. The medical group on file is Agape Physical Therapy. Dmand AI also links Mark Pfaff to 1 more hospital and 1 physician office, each named with a free account.
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 Mark Stephen Pfaff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Pfaff practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chesapeake Bone and Joint Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Stephen Pfaff is one of 404 orthopedic surgeons in Maryland
Orthopaedic surgery is Mark Pfaff's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Mark Pfaff is licensed in Maryland.
Specialties and state licenses
- Orthopaedic surgery, MarylandPrimary
Orthopedic surgeons near Mark Pfaff
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
Mark Stephen Pfaff billed Medicare for 3,355 services in 2024
CMS data shows 3,355 Medicare services from Mark Pfaff across 10 procedure codes in 2024, for 489 Medicare patients. Medicare paid $172,396 for them.
Mark Pfaff's Medicare services by type, 2024
- Drugs given in the office1,715
- Office and hospital visits1,084
- Surgery556
Where Mark Pfaff's Medicare services took place, 2024
- In an office3,27898%
- In a facility772%
Mark Pfaff compared with the Maryland median for orthopedic surgeons, 2024
- Mark Pfaff
- Maryland median
- Medicare services
- 3,355vs 1,3432.5 times
- Medicare patients
- 489vs 34343% above
- Part D claims
- 477vs 905.3 times
Medians across 368 orthopedic surgeons in Maryland with Dmand AI profiles that report each measure.
Mark Pfaff'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 Mark Pfaff?
Medicare shows one payer. Book a meeting to get commercial claims data for Mark Pfaff and other orthopedic surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Stephen Pfaff treated 489 Medicare patients in 2024, average age 72
CMS counts 489 Medicare patients who saw Mark Pfaff in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have arthritis, and 75% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Pfaff's median patient age at 59, with 56% women.
Mark Pfaff's Medicare patients by age, 2024
Mark Pfaff's Medicare patients by sex, 2024
- Women31564%
- Men17436%
Chronic conditions among Mark Pfaff's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes45%
- Mood disorders38%
- Depression35%
- Anxiety33%
- COPD27%
Share of Medicare patients with each condition. A patient can have several.
Mark Pfaff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Stephen Pfaff wrote 530 Medicare Part D claims in 2024
In 2024, Mark Pfaff wrote 530 Medicare Part D claims for 254 patients. 95% of them were for generic drugs. CMS names the drug for 477 of them, across 8 drugs with 11 or more claims each, at $10,647 in total drug cost.
Mark Pfaff's Part D claims by kind of drug, 2024
- Generic504 claims95%
- Brand-name26 claims5%
Mark Pfaff'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 Mark Pfaff's Part D claims, 2024
- Opioids15%78 of 530 claims
- Antibiotics15%77 of 530 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Mark Stephen Pfaff scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Mark Pfaff for performance year 2024, reported individually. Mark Pfaff accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 35 procedures of knee replacement by Mark Pfaff, more than 69% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Mark Pfaff's MIPS scores, performance year 2024
- 90of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 62of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Mark Pfaff ranks in Medicare procedure volume
- Knee replacement
- 69th percentile35 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 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)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 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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Mark Stephen Pfaff received $186 in industry payments from 2024 to 2025
CMS Open Payments shows 3 general payments to Mark Pfaff from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $129.
General payments to Mark Pfaff by program year, 2024 to 2025
Companies that paid Mark Pfaff the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark Stephen Pfaff graduated from Philadelphia College of Osteopathic Medicine
Mark Pfaff graduated from Philadelphia College of Osteopathic Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Stephen Pfaff'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) |
| 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) |
| 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 Mark Stephen Pfaff
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Stephen Pfaff's NPI number?
Mark Stephen Pfaff's NPI number is 1194728469. It was assigned on May 31, 2005, and it is active in the NPI Registry.
What does Mark Stephen Pfaff specialize in?
Mark Stephen Pfaff is an orthopedic surgeon in Elkton, Maryland. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Mark Stephen Pfaff practice?
Mark Pfaff practices at 160 Railroad Ave, Elkton, MD 21921. Mark Pfaff's primary practice is Chesapeake Bone and Joint Center in Elkton, Maryland. Dmand AI also links Mark Pfaff to 1 hospital and 1 physician office.
What is Mark Stephen Pfaff's office phone number?
The practice phone on file for Mark Pfaff is (410) 996-8686.
What is Mark Stephen Pfaff's medical license number?
Mark Pfaff holds Maryland license H0-063647.
Which hospitals is Mark Stephen Pfaff affiliated with?
Mark Pfaff is affiliated with ChristianaCare Union Hospital. Dmand AI links Mark Pfaff to 1 more hospital.
What medical group is Mark Stephen Pfaff part of?
Mark Pfaff is linked to Agape Physical Therapy.
Does Mark Stephen Pfaff accept Medicare?
Yes. CMS data shows Mark Pfaff billed Medicare for 3,355 services in 2024, and Mark Pfaff accepts Medicare assignment.
What is Mark Stephen Pfaff's MIPS score?
Mark Pfaff's MIPS final score for performance year 2024 is 90 out of 100, reported individually.
How many Medicare patients does Mark Stephen Pfaff see?
CMS counts 489 Medicare patients who saw Mark Pfaff in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Mark Stephen Pfaff bill to Medicare?
In 2024, Mark Pfaff's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and surgery: bones and joints (20610).
Where did Mark Stephen Pfaff go to medical school?
Mark Pfaff graduated from Philadelphia College of Osteopathic Medicine in 1998.
What drugs does Mark Stephen Pfaff prescribe most?
In 2024 Medicare Part D data, Mark Pfaff's most prescribed drugs by claims were Meloxicam, Methylprednisolone and Amoxicillin.
Has Mark Stephen Pfaff received payments from drug or device companies?
CMS Open Payments shows $186 in general payments to Mark Pfaff from 3 companies from 2024 to 2025. The largest total came from Stryker Corporation.
How long has Mark Stephen Pfaff been practicing?
Mark Pfaff graduated from medical school in 1998, 28 years ago.
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