Dr. William John Markmann, MD
- Medicare services, 2024
- 2,622
- Medicare patients, 2024
- 278
- Part D claims, 2024
- 131
- MIPS score, 2024
- 74
- Hospital affiliations
- 1
- Practice address
- 1648 Huntingdon Pike, Meadowbrook, PA 19046
- Practice phone
- Call (215) 947-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Markmann'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. William John Markmann is an orthopedic surgeon in Jenkintown, Pennsylvania
Dr. Markmann practices at Holy Redeemer Hospital in Meadowbrook, Pennsylvania, part of Redeemer Health.
Dr. Markmann's NPI, 1912973660, was assigned on February 23, 2006. Dr. Markmann graduated from Temple University School of Medicine in 1974. Dr. Markmann holds Pennsylvania license MD016702E.
- NPI
- 1912973660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840185955
- NPI enumeration date
- February 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 947-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William John Markmann practices at Holy Redeemer Hospital in Meadowbrook, Pennsylvania
Dr. Markmann's primary practice is Holy Redeemer Hospital, at 1648 Huntingdon Pike, Meadowbrook, PA 19046 in Montgomery County. The practice phone is (215) 947-3000.
- Holy Redeemer Hospital1648 Huntingdon Pike, Meadowbrook, PA 19046 · Montgomery CountyPhone(215) 947-3000
Source: Dmand AI Affiliation Data
Dr. William John Markmann is affiliated with 6 sites of care and 3 medical groups
Dr. Markmann's primary practice is Holy Redeemer Hospital in Meadowbrook, Pennsylvania, part of Redeemer Health. The medical group on file is Holy Redeemer Physician Services. Dmand AI also links Dr. Markmann to 3 more group practices and clinics, 2 medical groups, 1 physician office and 1 skilled nursing facility, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William John Markmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Markmann practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holy Redeemer Hospital | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William John Markmann is one of 994 orthopedic surgeons in Pennsylvania
Orthopaedic surgery is Dr. Markmann's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Markmann is licensed in Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, PennsylvaniaPrimary
Orthopedic surgeons near Dr. Markmann
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. William John Markmann billed Medicare for 2,622 services in 2024
CMS data shows 2,622 Medicare services from Dr. Markmann across 13 procedure codes in 2024, for 278 Medicare patients. Medicare paid $73,898 for them. Every service was in an office.
Dr. Markmann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,3682024: 1,4838%
- Office and hospital visits
- 2023: 5282024: 529No change
- Surgery
- 2023: 3062024: 3267%
- Imaging
- 2023: 3452024: 28418%
Dr. Markmann compared with the Pennsylvania median for orthopedic surgeons, 2024
- Dr. Markmann
- Pennsylvania median
- Medicare services
- 2,622vs 1,1532.3 times
- Medicare patients
- 278vs 276Close to median
- Part D claims
- 93vs 1029% below
Medians across 929 orthopedic surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Markmann'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. Markmann and other orthopedic surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William John Markmann treated 278 Medicare patients in 2024, average age 77
CMS counts 278 Medicare patients who saw Dr. Markmann in 2024. The largest group is 75 to 84, with 115 patients. 75% of them have arthritis, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Markmann's median patient age at 72, with 64% women.
Dr. Markmann's Medicare patients by age, 2024
Dr. Markmann's Medicare patients by sex, 2024
- Women18366%
- Men9534%
Chronic conditions among Dr. Markmann's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease32%
- Diabetes28%
- Anxiety26%
- Osteoporosis24%
- Chronic kidney disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Markmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William John Markmann wrote 131 Medicare Part D claims in 2024
In 2024, Dr. Markmann wrote 131 Medicare Part D claims for 74 patients. 98% of them were for generic drugs. CMS names the drug for 93 of them, across 3 drugs with 11 or more claims each, at $498 in total drug cost. In 2023, CMS named 43 claims across 1 drug.
Dr. Markmann's Part D claims by kind of drug, 2024
- Generic128 claims98%
- Brand-name and other3 claims2%
Dr. Markmann'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 432024: 93116%
Drugs named by CMS: 3 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. William John Markmann scored 74 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 74 out of 100 for Dr. Markmann for performance year 2024, reported as part of a group. Dr. Markmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Markmann's MIPS scores, performance year 2024
- 74of 100Final score
- 48.4of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 66of 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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Dr. William John Markmann received $880 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Markmann from 7 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Zimmer Biomet Holdings, Inc. paid the most, $424.
General payments to Dr. Markmann by program year, 2016 to 2024
General payments to Dr. Markmann by kind, 2016 to 2024
- Food and beverage$87199%
- Travel and lodging$91%
Companies that paid Dr. Markmann the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William John Markmann graduated from Temple University School of Medicine
Dr. Markmann graduated from Temple University School of Medicine in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William John Markmann'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) |
| 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) |
| 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. William John Markmann
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. William John Markmann's NPI number?
Dr. William John Markmann's NPI number is 1912973660. It was assigned on February 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William John Markmann?
Dr. William John Markmann is an orthopedic surgeon in Jenkintown, Pennsylvania. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William John Markmann practice?
Dr. Markmann practices at 1648 Huntingdon Pike, Meadowbrook, PA 19046. Dr. Markmann's primary practice is Holy Redeemer Hospital in Meadowbrook, Pennsylvania, part of Redeemer Health. Dmand AI also links Dr. Markmann to 3 group practices and clinics, 2 medical groups, 1 physician office and 1 skilled nursing facility.
What is Dr. William John Markmann's office phone number?
The practice phone on file for Dr. Markmann is (215) 947-3000.
What is Dr. William John Markmann's medical license number?
Dr. Markmann holds Pennsylvania license MD016702E.
Which hospitals is Dr. William John Markmann affiliated with?
Dr. Markmann practices at Holy Redeemer Hospital in Meadowbrook, Pennsylvania.
What medical group is Dr. William John Markmann part of?
Dr. Markmann is linked to Holy Redeemer Physician Services. Dmand AI links Dr. Markmann to 2 more medical groups.
Does Dr. William John Markmann accept Medicare?
Yes. CMS data shows Dr. Markmann billed Medicare for 2,622 services in 2024, and Dr. Markmann accepts Medicare assignment.
What is Dr. William John Markmann's MIPS score?
Dr. Markmann's MIPS final score for performance year 2024 is 74 out of 100, reported as part of a group.
How many Medicare patients does Dr. William John Markmann see?
CMS counts 278 Medicare patients who saw Dr. Markmann in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. William John Markmann bill to Medicare?
In 2024, Dr. Markmann's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and surgery: bones and joints (20610).
Where did Dr. William John Markmann go to medical school?
Dr. Markmann graduated from Temple University School of Medicine in 1974.
What drugs does Dr. William John Markmann prescribe most?
In 2024 Medicare Part D data, Dr. Markmann's most prescribed drugs by claims were Methylprednisolone, Ibuprofen and Meloxicam.
Has Dr. William John Markmann received payments from drug or device companies?
CMS Open Payments shows $880 in general payments to Dr. Markmann from 7 companies from 2016 to 2024. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. William John Markmann been practicing?
Dr. Markmann graduated from medical school in 1974, 52 years ago.
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