Physician Profile
Garrett H. Lischer, M.D. practices urology in Knoxville, TN. Garrett is a 1998 graduate of University of Texas Southwestern Medical School at Dallas. Medicare claims data shows Garrett provided 7,142 services to 4,009 patients. The services billed most often include principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month, chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month, and visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient'.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9245 PARK WEST BLVD
Knoxville, TN 37923
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
Prostate
Urinary symptoms and infection
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Most searched procedures
Office diagnosis
Bladder procedures
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
Prostate
Prostate procedures
Stone procedures
7,142 services · 4,009 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
437 | More often than most peers in Urology |
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
359 | More often than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
180 | More than most peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
34 | More often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
22 | Less often than most peers in Urology |
| Insertion of sacral nerve neurostimulator electrode array | Procedure | 64561 |
17 | Less often than most peers in Urology |
| Complete laser fragmentation of prostate including control of bleeding using an endoscope | Procedure | 52649 |
16 | Less often than most peers in Urology |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
15 | Less often than most peers in Urology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
162 | More often than most peers in Urology |
| Limited ultrasound scan behind abdominal cavity | Imaging | 76775 |
156 | More often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Garrett H. Lischer is an urologist in Knoxville, TN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Garrett H. Lischer is listed at 9245 Park West Blvd, Knoxville, TN 37923. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (865) 690-3811. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Garrett H. Lischer's National Provider Identifier is 1831185107. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Garrett H. Lischer attended University of Texas Southwestern Medical School at Dallas, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Garrett H. Lischer has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Garrett H. Lischer performs procedures including insertion of needle into vein for collection of blood sample, ultrasound measurement of bladder capacity after voiding and diagnostic exam of bladder and urethra using an endoscope; reads or performs imaging such as x-ray of abdomen, 1 view and limited ultrasound scan behind abdominal cavity, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Garrett H. Lischer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.