Dr. James W. Klunk, DO
- Medicare services, 2024
- 1,031
- Medicare patients, 2024
- 396
- Part D claims, 2024
- 1,161
- MIPS score, 2024
- 96
- Hospital affiliations
- 5
- Practice address
- 1861 Powder Mill Rd, York, PA 17402
- Practice phone
- Call (717) 718-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Klunk's professional email, personal email and mobile number
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Dr. James W. Klunk is an orthopedic surgeon in York, Pennsylvania
Dr. Klunk practices at OSS Orthopaedic Hospital in York, Pennsylvania, part of OSS Health.
Dr. Klunk's NPI, 1154731461, was assigned on May 8, 2014. Dr. Klunk graduated from Philadelphia College of Osteopathic Medicine in 2014. Dr. Klunk holds Pennsylvania license OS020019.
- NPI
- 1154731461NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436471695
- NPI enumeration date
- May 8, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 718-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James W. Klunk practices at OSS Orthopaedic Hospital in York, Pennsylvania
Dr. Klunk's primary practice is OSS Orthopaedic Hospital, at 1861 Powder Mill Rd, York, PA 17402 in York County. The practice phone is (717) 718-2000.
- OSS Orthopaedic Hospital1861 Powder Mill Rd, York, PA 17402 · York CountyPhone(717) 718-2000
Source: Dmand AI Affiliation Data
Dr. James W. Klunk is affiliated with 9 sites of care and 2 medical groups
Dr. Klunk's primary practice is OSS Orthopaedic Hospital in York, Pennsylvania, part of OSS Health. Dr. Klunk is also affiliated with WellSpan York Hospital. The medical group on file is Phoenix Physical Therapy. Dmand AI also links Dr. Klunk to 3 more hospitals, 2 group practices and clinics, 1 home health agency, 1 skilled nursing facility and 1 medical group, each named with a free account. Dr. Klunk's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James W. Klunk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klunk practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OSS Orthopaedic Hospital | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James W. Klunk is one of 994 orthopedic surgeons in Pennsylvania
Orthopaedic surgery is Dr. Klunk's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Klunk is licensed in Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, PennsylvaniaPrimary
Orthopedic surgeons near Dr. Klunk
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. James W. Klunk billed Medicare for 1,031 services in 2024
CMS data shows 1,031 Medicare services from Dr. Klunk across 21 procedure codes in 2024, for 396 Medicare patients. Medicare paid $174,114 for them.
Dr. Klunk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6752024: 57814%
- Imaging
- 2023: 2252024: 2281%
- Surgery
- 2023: 1582024: 22542%
Where Dr. Klunk's Medicare services took place, 2024
- In an office80578%
- In a facility22622%
Dr. Klunk compared with the Pennsylvania median for orthopedic surgeons, 2024
- Dr. Klunk
- Pennsylvania median
- Medicare services
- 1,031vs 1,15311% below
- Medicare patients
- 396vs 27643% above
- Part D claims
- 1,096vs 10210.7 times
Medians across 929 orthopedic surgeons in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Klunk'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. Klunk?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klunk and other orthopedic surgeons in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James W. Klunk treated 396 Medicare patients in 2024, average age 75
CMS counts 396 Medicare patients who saw Dr. Klunk in 2024. The largest group is 65 to 74, with 170 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klunk's median patient age at 74, with 60% women.
Dr. Klunk's Medicare patients by age, 2024
Dr. Klunk's Medicare patients by sex, 2024
- Women26467%
- Men13233%
Chronic conditions among Dr. Klunk's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety38%
- Diabetes34%
- Ischemic heart disease32%
- Chronic kidney disease31%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klunk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James W. Klunk wrote 1,161 Medicare Part D claims in 2024
In 2024, Dr. Klunk wrote 1,161 Medicare Part D claims for 416 patients. 99% of them were for generic drugs. CMS names the drug for 1,096 of them, across 17 drugs with 11 or more claims each, at $9,619 in total drug cost. In 2023, CMS named 1,069 claims across 16 drugs.
Dr. Klunk's Part D claims by kind of drug, 2024
- Generic1,152 claims99%
- Brand-name and other9 claims1%
Dr. Klunk'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. Klunk's Part D claims, 2024
- Opioids15%172 of 1,161 claims
- Antibiotics3%33 of 1,161 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: 1,0692024: 1,0963%
Drugs named by CMS: 17 in 2024, 16 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. James W. Klunk scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Klunk for performance year 2024, reported as part of a group. Dr. Klunk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 343 procedures of spinal fusion by Dr. Klunk, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Klunk's MIPS scores, performance year 2024
- 96of 100Final score
- 99.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 86of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Klunk ranks in Medicare procedure volume
- Spinal fusion
- 97th percentile343 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 82nd percentile59 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Knee replacement: 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. James W. Klunk received $36,897 in industry payments from 2016 to 2025
CMS Open Payments shows 144 general payments to Dr. Klunk from 32 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 48% of the total. Globus Medical, Inc. paid the most, $17,674.
General payments to Dr. Klunk by program year, 2016 to 2025
General payments to Dr. Klunk by kind, 2016 to 2025
- Consulting fees$17,58848%
- Travel and lodging$9,61326%
- Food and beverage$7,87221%
- Education$1,8255%
Companies that paid Dr. Klunk 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. James W. Klunk graduated from Philadelphia College of Osteopathic Medicine
Dr. Klunk graduated from Philadelphia College of Osteopathic Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James W. Klunk'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)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. James W. Klunk
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. James W. Klunk's NPI number?
Dr. James W. Klunk's NPI number is 1154731461. It was assigned on May 8, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. James W. Klunk?
Dr. James W. Klunk is an orthopedic surgeon in York, Pennsylvania. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. James W. Klunk practice?
Dr. Klunk practices at 1861 Powder Mill Rd, York, PA 17402. Dr. Klunk's primary practice is OSS Orthopaedic Hospital in York, Pennsylvania, part of OSS Health. Dmand AI also links Dr. Klunk to 3 hospitals, 2 group practices and clinics, 1 home health agency, 1 skilled nursing facility and 1 medical group.
What is Dr. James W. Klunk's office phone number?
The practice phone on file for Dr. Klunk is (717) 718-2000.
What is Dr. James W. Klunk's medical license number?
Dr. Klunk holds Pennsylvania license OS020019.
Which hospitals is Dr. James W. Klunk affiliated with?
Dr. Klunk practices at OSS Orthopaedic Hospital in York, Pennsylvania. Dr. Klunk is also affiliated with WellSpan York Hospital. Dmand AI links Dr. Klunk to 3 more hospitals.
What medical group is Dr. James W. Klunk part of?
Dr. Klunk is linked to Phoenix Physical Therapy. Dmand AI links Dr. Klunk to 1 more medical group.
Does Dr. James W. Klunk accept Medicare?
Yes. CMS data shows Dr. Klunk billed Medicare for 1,031 services in 2024, and Dr. Klunk accepts Medicare assignment.
What is Dr. James W. Klunk's MIPS score?
Dr. Klunk's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
How many Medicare patients does Dr. James W. Klunk see?
CMS counts 396 Medicare patients who saw Dr. Klunk in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. James W. Klunk bill to Medicare?
In 2024, Dr. Klunk's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and diagnostic imaging (72100).
Where did Dr. James W. Klunk go to medical school?
Dr. Klunk graduated from Philadelphia College of Osteopathic Medicine in 2014.
What drugs does Dr. James W. Klunk prescribe most?
In 2024 Medicare Part D data, Dr. Klunk's most prescribed drugs by claims were Gabapentin, Cyclobenzaprine HCl and Meloxicam.
Has Dr. James W. Klunk received payments from drug or device companies?
CMS Open Payments shows $36,897 in general payments to Dr. Klunk from 32 companies from 2016 to 2025. The largest total came from Globus Medical, Inc.
How long has Dr. James W. Klunk been practicing?
Dr. Klunk graduated from medical school in 2014, 12 years ago.
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