Dr. John M. Lacy, MD
- Medicare services, 2024
- 5,476
- Medicare patients, 2024
- 1,069
- Part D claims, 2024
- 4,640
- Publications
- 16
- MIPS score, 2024
- 75
- Practice address
- 1924 Alcoa Highway, Knoxville, TN 37920
- Practice phone
- Call (865) 305-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lacy'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. John M. Lacy is a urologist in Knoxville, Tennessee
Dr. Lacy practices at The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.
Dr. Lacy's NPI, 1538487939, was assigned on May 10, 2010. Dr. Lacy graduated from Medical University of South Carolina College of Medicine in 2010. Dr. Lacy holds Tennessee license 54136.
- NPI
- 1538487939NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163737255
- NPI enumeration date
- May 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 305-9000
- 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)
Dr. John M. Lacy practices at The University of Tennessee Medical Center in Knoxville, Tennessee
Dr. Lacy's primary practice is The University of Tennessee Medical Center, at 1924 Alcoa Highway, Knoxville, TN 37920 in Knox County. The practice phone is (865) 305-9000.
- The University of Tennessee Medical Center1924 Alcoa Highway, Knoxville, TN 37920 · Knox CountyPhone(865) 305-9000
Source: Dmand AI Affiliation Data
Dr. John M. Lacy is affiliated with 6 sites of care and 1 medical group
Dr. Lacy's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dr. Lacy is also affiliated with Fort Sanders Regional Medical Center. The medical group on file is University Urology. Dmand AI also links Dr. Lacy to 2 more hospitals, 1 group practice or clinic and 1 home health agency, 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 M. Lacy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lacy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Tennessee Medical Center | Available with a free account |
| +5 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 Ut Medical and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John M. Lacy is one of 226 urologists in Tennessee
Urology is Dr. Lacy's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Lacy is licensed in Tennessee.
Specialties and state licenses
- Urology, TennesseePrimary
Urologists near Dr. Lacy
Counts of urologists 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 M. Lacy billed Medicare for 5,476 services in 2024
CMS data shows 5,476 Medicare services from Dr. Lacy across 27 procedure codes in 2024, for 1,069 Medicare patients. Medicare paid $236,260 for them.
Dr. Lacy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,8522024: 2,36127%
- Surgery
- 2023: 1,4502024: 1,27012%
- Lab and pathology
- 2023: 1,4862024: 1,19919%
- Other services
- 2023: 02024: 523
- Drugs given in the office
- 2023: 1562024: 6856%
- Imaging
- 2023: 812024: 5532%
- Tests and treatments
- 2023: 182024: 0100%
Where Dr. Lacy's Medicare services took place, 2024
- In an office5,41299%
- In a facility641%
Dr. Lacy compared with the Tennessee median for urologists, 2024
- Dr. Lacy
- Tennessee median
- Medicare services
- 5,476vs 2,6912.0 times
- Medicare patients
- 1,069vs 55493% above
- Part D claims
- 4,525vs 8345.4 times
Medians across 229 urologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Lacy'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. Lacy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lacy and other urologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Lacy treated 1,069 Medicare patients in 2024, average age 74
CMS counts 1,069 Medicare patients who saw Dr. Lacy in 2024. The largest group is 65 to 74, with 499 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lacy's median patient age at 70, with 20% women.
Dr. Lacy's Medicare patients by age, 2024
Dr. Lacy's Medicare patients by sex, 2024
- Women21120%
- Men85880%
Chronic conditions among Dr. Lacy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease32%
- Diabetes30%
- Cancer26%
- Chronic kidney disease24%
- Mood disorders20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lacy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women20%
- Men79%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John M. Lacy wrote 4,640 Medicare Part D claims in 2024
In 2024, Dr. Lacy wrote 4,640 Medicare Part D claims for 1,047 patients. 80% of them were for generic drugs. CMS names the drug for 4,525 of them, across 39 drugs with 11 or more claims each, at $1,050,407 in total drug cost. In 2023, CMS named 3,981 claims across 34 drugs.
Dr. Lacy's Part D claims by kind of drug, 2024
- Generic3,710 claims80%
- Brand-name and other930 claims20%
Dr. Lacy'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. Lacy's Part D claims, 2024
- Opioids0%19 of 4,640 claims
- Antibiotics12%549 of 4,640 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: 3,9812024: 4,52514%
Drugs named by CMS: 39 in 2024, 34 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 M. Lacy 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. Lacy for performance year 2024, reported as part of a group. Dr. Lacy accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Prostate resection: 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. John M. Lacy has 16 publications on record
Dmand AI links 16 papers to Dr. Lacy, published from 2013 to 2025. 2025 was the busiest year, with 3. The most frequent topics are Postoperative Complications, Urethra and Urologic Surgical Procedures, Male. Dr. Lacy has published most often in Urology. Dr. Lacy's most frequent co-authors are Stephen E. Strup, MD, David Michael Preston, MD and Ali Mahmoud Ziada, MBCHB, MD.
Dr. Lacy's papers by year, 2013 to 2025
Topics Dr. Lacy writes about most
- Postoperative Complications
- Urethra
- Urologic Surgical Procedures, Male
- Hypospadias
- Penis
Dr. Lacy's most frequent co-authors
- Stephen E. Strup, MD4 shared papers
- David Michael Preston, MD3 shared papers
- Ali Mahmoud Ziada, MBCHB, MD3 shared papers
Recent publications by Dr. Lacy
See who Dr. Lacy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lacy works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John M. Lacy received $18,238 in industry payments from 2016 to 2025
CMS Open Payments shows 449 general payments to Dr. Lacy from 57 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 59% of the total. Boston Scientific Corporation paid the most, $9,652.
General payments to Dr. Lacy by program year, 2016 to 2025
General payments to Dr. Lacy by kind, 2016 to 2025
- Food and beverage$10,80459%
- Consulting fees$4,90027%
- Travel and lodging$2,17912%
- Education$3552%
Companies that paid Dr. Lacy 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 M. Lacy graduated from Medical University of South Carolina College of Medicine
Dr. Lacy graduated from Medical University of South Carolina College of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John M. Lacy'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 M. Lacy
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 M. Lacy's NPI number?
Dr. John M. Lacy's NPI number is 1538487939. It was assigned on May 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Lacy?
Dr. John M. Lacy is a urologist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. John M. Lacy practice?
Dr. Lacy practices at 1924 Alcoa Highway, Knoxville, TN 37920. Dr. Lacy's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. Dmand AI also links Dr. Lacy to 2 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. John M. Lacy's office phone number?
The practice phone on file for Dr. Lacy is (865) 305-9000.
What is Dr. John M. Lacy's medical license number?
Dr. Lacy holds Tennessee license 54136.
Which hospitals is Dr. John M. Lacy affiliated with?
Dr. Lacy practices at The University of Tennessee Medical Center in Knoxville, Tennessee. Dr. Lacy is also affiliated with Fort Sanders Regional Medical Center. Dmand AI links Dr. Lacy to 2 more hospitals.
What medical group is Dr. John M. Lacy part of?
Dr. Lacy is linked to University Urology.
Does Dr. John M. Lacy accept Medicare?
Yes. CMS data shows Dr. Lacy billed Medicare for 5,476 services in 2024, and Dr. Lacy accepts Medicare assignment.
What is Dr. John M. Lacy's MIPS score?
Dr. Lacy's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. John M. Lacy see?
CMS counts 1,069 Medicare patients who saw Dr. Lacy in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. John M. Lacy bill to Medicare?
In 2024, Dr. Lacy's most billed Medicare services were office visit, established patient (99214), lab and pathology test (81002) and surgery: urinary system (51798).
Where did Dr. John M. Lacy go to medical school?
Dr. Lacy graduated from Medical University of South Carolina College of Medicine in 2010.
What drugs does Dr. John M. Lacy prescribe most?
In 2024 Medicare Part D data, Dr. Lacy's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.
Has Dr. John M. Lacy received payments from drug or device companies?
CMS Open Payments shows $18,238 in general payments to Dr. Lacy from 57 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. John M. Lacy been practicing?
Dr. Lacy graduated from medical school in 2010, 16 years ago.
Does Dr. John M. Lacy do research?
Dmand AI links 16 publications to Dr. Lacy, published from 2013 to 2025.
Who does Dr. John M. Lacy publish with?
Dr. Lacy's most frequent co-authors are Stephen E. Strup, MD (4 shared papers), David Michael Preston, MD (3 shared papers) and Ali Mahmoud Ziada, MBCHB, MD (3 shared papers).
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