Dr. John T. Williams Jr., MD
- Medicare services, 2024
- 45,271
- Medicare patients, 2024
- 842
- Part D claims, 2024
- 490
- MIPS score, 2024
- 75
- Hospital affiliations
- 2
- Practice address
- 1400 Us-441 N, Lady Lake, FL 32159
- Practice phone
- Call (352) 751-2862
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Advanced Orthopedics Institute, P.A.
Lady Lake, Florida
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 T. Williams Jr. is an orthopedic surgeon in Lady Lake, Florida
Dr. Williams practices at Advanced Orthopedics Institute, P.A. in Lady Lake, Florida.
Dr. Williams' NPI, 1790745164, was assigned on March 28, 2006. Dr. Williams graduated from Howard University College Of Medicine in 1994. Dr. Williams holds Florida license ME109839.
- NPI
- 1790745164NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476739871
- NPI enumeration date
- March 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (352) 751-2862
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John T. Williams Jr. practices at Advanced Orthopedics Institute, P.A. in Lady Lake, Florida
Dr. Williams' primary practice is Advanced Orthopedics Institute, P.A., at 1400 Us-441 N, Lady Lake, FL 32159 in Lake County. The practice phone is (352) 751-2862.
- Advanced Orthopedics Institute, P.A.1400 Us-441 N, Lady Lake, FL 32159 · Lake CountyPhone(352) 751-2862
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John T. Williams Jr. is affiliated with 8 sites of care and 2 medical groups
Dr. Williams' primary practice is Advanced Orthopedics Institute, P.A. in Lady Lake, Florida. Dr. Williams is also affiliated with UF Health Spanish Plaines Hospital. The medical group on file is CORA Physical Therapy, Spanish Springs. Dmand AI also links Dr. Williams to 1 more hospital, 3 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John T. Williams Jr.'s 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 |
|---|---|
| Advanced Orthopedics Institute, P.A. | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John T. Williams Jr. is one of 1,248 orthopedic surgeons in Florida
Orthopaedic surgery is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Williams' licenses on file in 4 states: Florida, Pennsylvania, Ohio and District of Columbia.
Specialties and state licenses
- Orthopaedic surgery, FloridaPrimary
- Pennsylvania license
- Ohio license
- District of Columbia license
Clinical focus
Dmand AI lists arthritis, bursitis, hip replacement, joint pain, knee replacement, lower back pain, muscle pain, fibromyalgia, and limb pain and pelvic and hip fracture among the conditions Dr. Williams treats.
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 T. Williams Jr. billed Medicare for 45,271 services in 2024
CMS data shows 45,271 Medicare services from Dr. Williams across 15 procedure codes in 2024, for 842 Medicare patients. Medicare paid $335,821 for them.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 12,0052024: 42,690256%
- Office and hospital visits
- 2023: 1,5332024: 1,33313%
- Surgery
- 2023: 9662024: 83713%
- Imaging
- 2023: 7792024: 35255%
- Other services
- 2023: 282024: 59111%
- Tests and treatments
- 2023: 7642024: 0100%
Where Dr. Williams' Medicare services took place, 2024
- In an office45,127100%
- In a facility1440%
Dr. Williams compared with the Florida median for orthopedic surgeons, 2024
- Dr. Williams
- Florida median
- Medicare services
- 45,271vs 1,34533.7 times
- Medicare patients
- 842vs 2902.9 times
- Part D claims
- 421vs 1762.4 times
Medians across 1,164 orthopedic surgeons in Florida 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other orthopedic surgeons in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John T. Williams Jr. treated 842 Medicare patients in 2024, average age 77
CMS counts 842 Medicare patients who saw Dr. Williams in 2024. The largest group is 75 to 84, with 428 patients. 75% of them have arthritis, and 75% have high blood pressure. 1% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 76, with 66% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women55366%
- Men28934%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease42%
- Chronic kidney disease32%
- Mood disorders32%
- Depression30%
- Diabetes30%
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 76
Patient panel by sex, all payers
- Women66%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John T. Williams Jr. wrote 490 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 490 Medicare Part D claims for 233 patients. 99% of them were for generic drugs. CMS names the drug for 421 of them, across 8 drugs with 11 or more claims each, at $2,463 in total drug cost. In 2023, CMS named 533 claims across 10 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic487 claims99%
- Brand-name and other3 claims1%
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
- Opioids38%185 of 490 claims
- Antibiotics10%51 of 490 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: 5332024: 42121%
Drugs named by CMS: 8 in 2024, 10 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 T. Williams Jr. scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Williams for performance year 2024, reported individually. Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 65 procedures of hip replacement by Dr. Williams, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Williams ranks in Medicare procedure volume
- Knee replacement
- 89th percentile79 procedures
- Hip replacement
- 92nd percentile65 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. John T. Williams Jr. received $30,735 in industry payments from 2016 to 2025
CMS Open Payments shows 115 general payments to Dr. Williams from 38 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 39% of the total. Conformis, Inc. paid the most, $12,806.
General payments to Dr. Williams by program year, 2016 to 2025
General payments to Dr. Williams by kind, 2016 to 2025
- Consulting fees$12,02639%
- Speaker and faculty fees$9,75032%
- Food and beverage$5,33417%
- Travel and lodging$3,62512%
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 T. Williams Jr. graduated from Howard University College Of Medicine
Dr. Williams graduated from Howard University College Of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John T. Williams Jr. accepts plans from 14 insurance carriers
Dr. Williams is in network with 14 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aspirus Health Plan
- HCSC
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Williams accepts, by number of carriers
- PPO9
- HMO8
- POS6
- EPO5
- Medicare5
Source: Dmand AI Insurance Network Data
Sources for Dr. John T. Williams Jr.'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 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 T. Williams Jr.
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 T. Williams Jr.'s NPI number?
Dr. John T. Williams Jr.'s NPI number is 1790745164. It was assigned on March 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John T. Williams Jr.?
Dr. John T. Williams Jr. is an orthopedic surgeon in Lady Lake, Florida. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John T. Williams Jr. practice?
Dr. Williams practices at 1400 Us-441 N, Lady Lake, FL 32159. Dr. Williams' primary practice is Advanced Orthopedics Institute, P.A. in Lady Lake, Florida. Dmand AI also links Dr. Williams to 1 hospital, 3 home health agencies, 2 group practices and clinics and 1 medical group.
What is Dr. John T. Williams Jr.'s office phone number?
The practice phone on file for Dr. Williams is (352) 751-2862.
What is Dr. John T. Williams Jr.'s medical license number?
Dr. Williams holds Florida license ME109839, one of the licenses on file in 4 states.
Which states has Dr. John T. Williams Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Williams in Florida (2011 to 2027), Pennsylvania (2000 to 2012), Ohio (1999 to 2001) and District of Columbia (1999 to 2000).
Which hospitals is Dr. John T. Williams Jr. affiliated with?
Dr. Williams is affiliated with UF Health Spanish Plaines Hospital. Dmand AI links Dr. Williams to 1 more hospital.
What medical group is Dr. John T. Williams Jr. part of?
Dr. Williams is linked to CORA Physical Therapy, Spanish Springs. Dmand AI links Dr. Williams to 1 more medical group.
Does Dr. John T. Williams Jr. accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 45,271 services in 2024, and Dr. Williams accepts Medicare assignment.
What is Dr. John T. Williams Jr.'s MIPS score?
Dr. Williams' MIPS final score for performance year 2024 is 75 out of 100, reported individually.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. John T. Williams Jr. see?
CMS counts 842 Medicare patients who saw Dr. Williams in 2024, with an average age of 77.
What services does Dr. John T. Williams Jr. bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J7318) and surgery: bones and joints (20610).
Where did Dr. John T. Williams Jr. go to medical school?
Dr. Williams graduated from Howard University College Of Medicine in 1994.
What drugs does Dr. John T. Williams Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Tramadol HCl, Meloxicam and Methylprednisolone.
Has Dr. John T. Williams Jr. received payments from drug or device companies?
CMS Open Payments shows $30,735 in general payments to Dr. Williams from 38 companies from 2016 to 2025. The largest total came from Conformis, Inc.
How long has Dr. John T. Williams Jr. been practicing?
Dr. Williams graduated from medical school in 1994, 32 years ago.
What insurance does Dr. John T. Williams Jr. accept?
Dr. Williams is in network with 14 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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