Dr. John I. Williams, MD
- Medicare services, 2024
- 793
- Medicare patients, 2024
- 197
- Part D claims, 2024
- 841
- MIPS score, 2024
- 88
- Hospital affiliations
- 5
- Practice address
- 11420 Parkview Circle, Fort Wayne, IN 46845
- Practice phone
- Call (260) 266-6300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Parkview SurgeryONE
Surgery Center - Medicare-Certified · Fort Wayne, Indiana
Find Dr. Williams' 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. John I. Williams is an orthopedic surgeon in Fort Wayne, Indiana
Dr. Williams practices at Parkview SurgeryONE in Fort Wayne, Indiana.
Dr. Williams' NPI, 1427059682, was assigned on August 9, 2005. Dr. Williams graduated from Indiana University School of Medicine in 1990. Dr. Williams holds Indiana license 01045059A.
- NPI
- 1427059682NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305731969
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (260) 266-6300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John I. Williams practices at Parkview SurgeryONE in Fort Wayne, Indiana
Dr. Williams' primary practice is Parkview SurgeryONE, at 11420 Parkview Circle, Fort Wayne, IN 46845. The practice phone is (260) 266-6300.
- Parkview SurgeryONE11420 Parkview Circle, Fort Wayne, IN 46845Phone(260) 266-6300
Source: Dmand AI Affiliation Data
Dr. John I. Williams is affiliated with 7 sites of care and 1 medical group
Dr. Williams' primary practice is Parkview SurgeryONE in Fort Wayne, Indiana. Dr. Williams is also affiliated with Parkview Regional Medical Center. The medical group on file is Orthopaedics Northeast. Dmand AI also links Dr. Williams to 4 more hospitals and 1 group practice or clinic, 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. John I. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Parkview SurgeryONE | Available with a free account |
| +6 more affiliated sites | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John I. Williams is one of 429 orthopedic surgeons in Indiana
Orthopaedic surgery is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Williams is licensed in Indiana.
Specialties and state licenses
- Orthopaedic surgery, IndianaPrimary
Orthopedic surgeons near Dr. Williams
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. John I. Williams billed Medicare for 793 services in 2024
CMS data shows 793 Medicare services from Dr. Williams across 17 procedure codes in 2024, for 197 Medicare patients. Medicare paid $117,327 for them.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3152024: 2966%
- Imaging
- 2023: 2642024: 2775%
- Surgery
- 2023: 1892024: 22016%
Where Dr. Williams' Medicare services took place, 2024
- In an office57372%
- In a facility22028%
Dr. Williams compared with the Indiana median for orthopedic surgeons, 2024
- Dr. Williams
- Indiana median
- Medicare services
- 793vs 1,34241% below
- Medicare patients
- 197vs 26225% below
- Part D claims
- 813vs 1664.9 times
Medians across 423 orthopedic surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Williams' 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. Williams?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other orthopedic surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John I. Williams treated 197 Medicare patients in 2024, average age 73
CMS counts 197 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 103 patients. 75% of them have arthritis, and 75% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 65, with 60% women.
Dr. Williams' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Williams' Medicare patients by sex, 2024
- Women11659%
- Men8141%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes40%
- Anxiety34%
- Ischemic heart disease31%
- Depression25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
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. John I. Williams wrote 841 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 841 Medicare Part D claims for 279 patients. 100% of them were for generic drugs. CMS names the drug for 813 of them, across 15 drugs with 11 or more claims each, at $7,899 in total drug cost. In 2023, CMS named 724 claims across 14 drugs.
Dr. Williams' 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. Williams' Part D claims, 2024
- Opioids9%77 of 841 claims
- Antibiotics1%12 of 841 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: 7242024: 81312%
Drugs named by CMS: 15 in 2024, 14 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. John I. Williams 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 Dr. Williams for performance year 2024, reported as part of a group. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 208 procedures of spinal fusion by Dr. Williams, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Williams' MIPS scores, performance year 2024
- 88of 100Final score
- 85.7of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Williams ranks in Medicare procedure volume
- Spinal fusion
- 91st percentile208 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 73rd percentile44 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John I. Williams received $3,323,186 in industry payments from 2016 to 2025
CMS Open Payments shows 890 general payments to Dr. Williams from 32 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 75% of the total. Stryker Corporation paid the most, $1,238,031.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Royalties and licenses$2,491,05675%
- Consulting fees$698,87421%
- Travel and lodging$79,1812%
- Speaker and faculty fees$30,2471%
- Other$23,8281%
Companies that paid Dr. Williams 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. John I. Williams graduated from Indiana University School of Medicine
Dr. Williams graduated from Indiana University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John I. Williams'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. John I. Williams
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. John I. Williams' NPI number?
Dr. John I. Williams' NPI number is 1427059682. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John I. Williams?
Dr. John I. Williams is an orthopedic surgeon in Fort Wayne, Indiana. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John I. Williams practice?
Dr. Williams practices at 11420 Parkview Circle, Fort Wayne, IN 46845. Dr. Williams' primary practice is Parkview SurgeryONE in Fort Wayne, Indiana. Dmand AI also links Dr. Williams to 4 hospitals and 1 group practice or clinic.
What is Dr. John I. Williams' office phone number?
The practice phone on file for Dr. Williams is (260) 266-6300.
What is Dr. John I. Williams' medical license number?
Dr. Williams holds Indiana license 01045059A.
Which hospitals is Dr. John I. Williams affiliated with?
Dr. Williams is affiliated with Parkview Regional Medical Center. Dmand AI links Dr. Williams to 4 more hospitals.
What medical group is Dr. John I. Williams part of?
Dr. Williams is linked to Orthopaedics Northeast.
Does Dr. John I. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 793 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. John I. Williams' MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. John I. Williams see?
CMS counts 197 Medicare patients who saw Dr. Williams in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. John I. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were diagnostic imaging (72100), office visit, established patient (99213) and office visit, established patient (99214).
Where did Dr. John I. Williams go to medical school?
Dr. Williams graduated from Indiana University School of Medicine in 1990.
What drugs does Dr. John I. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Gabapentin, Celecoxib and Mupirocin.
Has Dr. John I. Williams received payments from drug or device companies?
CMS Open Payments shows $3,323,186 in general payments to Dr. Williams from 32 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. John I. Williams been practicing?
Dr. Williams graduated from medical school in 1990, 36 years ago.
Selling to orthopaedic surgery practices?
See orthopedic surgeons in Indiana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card