James R. Williams II, PA-C
- Medicare patients, 2024
- 312
- Part D claims, 2024
- 577
- MIPS score, 2024
- 96
- Hospital affiliations
- 3
- Industry payments
- $561
- 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 James Williams' professional email, personal email and mobile number
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James R. Williams II is a surgical physician assistant in York, Pennsylvania
James Williams practices at OSS Orthopaedic Hospital in York, Pennsylvania, part of OSS Health.
James Williams' NPI, 1306143326, was assigned on February 28, 2011.
- NPI
- 1306143326NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830374925
- NPI enumeration date
- February 28, 2011
- 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
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
James R. Williams II practices at OSS Orthopaedic Hospital in York, Pennsylvania
James Williams' 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
James R. Williams II is affiliated with 4 sites of care and 2 medical groups
James Williams' primary practice is OSS Orthopaedic Hospital in York, Pennsylvania, part of OSS Health. James Williams is also affiliated with WellSpan York Hospital. The medical group on file is UPMC Harrisburg Emergency Department. Dmand AI also links James Williams to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account. James Williams' 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 James R. Williams II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where James Williams practices, 4 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 |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across OSS Health and 6.2K+ hospitals, with verified contacts in the same login.
James R. Williams II is one of 624 surgical physician assistants in Pennsylvania
Surgical is James Williams' primary specialty in the NPI Registry, under taxonomy code 363AS0400X.
Specialties and state licenses
- Surgical physician assistantPrimary
Surgical physician assistants near James Williams
Counts of surgical physician assistants 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
James R. Williams II treated 312 Medicare patients in 2024, average age 75
CMS counts 312 Medicare patients who saw James Williams in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have arthritis, and 75% have high blood pressure. 4% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts James Williams' median patient age at 73, with 62% women.
James Williams' Medicare patients by age, 2024
James Williams' Medicare patients by sex, 2024
- Women18760%
- Men12540%
Chronic conditions among James Williams' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes31%
- Anxiety27%
- Ischemic heart disease26%
- Mood disorders25%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
James Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
James R. Williams II wrote 577 Medicare Part D claims in 2024
In 2024, James Williams wrote 577 Medicare Part D claims for 367 patients. 99% of them were for generic drugs.
James Williams' Part D claims by kind of drug, 2024
- Generic574 claims99%
- Brand-name and other3 claims1%
Drug classes CMS tracks in James Williams' Part D claims, 2024
- Opioids30%173 of 577 claims
- Antibiotics10%58 of 577 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
James R. Williams II 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 James Williams for performance year 2024, reported as part of a group. James Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
James Williams' 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.
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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James R. Williams II received $561 in industry payments in 2025
CMS Open Payments shows 7 general payments to James Williams from 2 drug and device companies in 2025. Travel and lodging make up the largest share, 57% of the total. Arthrex, Inc. paid the most, $407.
General payments to James Williams by kind, 2025 to 2025
- Travel and lodging$32257%
- Food and beverage$23943%
Companies that paid James Williams the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for James R. Williams II'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 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 (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 James R. Williams II
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is James R. Williams II's NPI number?
James R. Williams II's NPI number is 1306143326. It was assigned on February 28, 2011, and it is active in the NPI Registry.
What does James R. Williams II specialize in?
James R. Williams II is a surgical physician assistant in York, Pennsylvania. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does James R. Williams II practice?
James Williams practices at 1861 Powder Mill Rd, York, PA 17402. James Williams' primary practice is OSS Orthopaedic Hospital in York, Pennsylvania, part of OSS Health. Dmand AI also links James Williams to 1 hospital, 1 group practice or clinic and 1 medical group.
What is James R. Williams II's office phone number?
The practice phone on file for James Williams is (717) 718-2000.
Which hospitals is James R. Williams II affiliated with?
James Williams practices at OSS Orthopaedic Hospital in York, Pennsylvania. James Williams is also affiliated with WellSpan York Hospital. Dmand AI links James Williams to 1 more hospital.
What medical group is James R. Williams II part of?
James Williams is linked to UPMC Harrisburg Emergency Department. Dmand AI links James Williams to 1 more medical group.
Does James R. Williams II accept Medicare?
Yes. CMS lists James Williams as accepting Medicare assignment.
What is James R. Williams II's MIPS score?
James Williams' MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.
How many Medicare patients does James R. Williams II see?
CMS counts 312 Medicare patients who saw James Williams in 2024, with an average age of 75.
Has James R. Williams II received payments from drug or device companies?
CMS Open Payments shows $561 in general payments to James Williams from 2 companies from 2025 to 2025. The largest total came from Arthrex, Inc.
How long has James R. Williams II been practicing?
James Williams graduated from medical school in 2010, 16 years ago.
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