Doctor profile · Federal record
Dr. Garrett Lischer, M.D.
Urology Physician (CMS: Urology) · Knoxville, TN
- NPI 1831185107
- Accepts Medicare
- MIPS 86.3 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9245 Park West Blvd
Knoxville, TN 379234425
(865) 690-3811
fax (865) 694-7621 - Mailing address
-
10200 Grand Central Ave Ste 220
Owings Mills, MD 211174366
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- March 24, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- Tennessee #38324
- Medicaid
- TN #3892882
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831185107. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,203
Distinct HCPCS
10
Medicare allowed
$247,631
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
81003 |
Automated urinalysis test | 832 | 652 | $2 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 755 | 573 | $120 | |
36415 |
Insertion of needle into vein for collection of blood sample | 429 | 342 | $8 | |
51798 |
Ultrasound measurement of bladder capacity after voiding | 341 | 282 | $10 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 329 | 85 | $59 | |
99426 |
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 | 252 | 67 | $58 | |
52000 |
Diagnostic exam of bladder and urethra using an endoscope | 181 | 159 | $74 | |
74018 |
X-ray of abdomen, 1 view | 154 | 127 | $24 | |
76775 |
Limited ultrasound scan behind abdominal cavity | 146 | 131 | $54 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 130 | 130 | $156 |
In context: peer comparison
Among 8 peers in Knoxville Urology Physician, average services per provider: 200. This provider delivers 21× the peer median.Open Payments
Industry payments received
All-time total
$2,543
Transactions
98
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 22 | $400.93 | |
| Dendreon Pharmaceuticals LLC | 13 | $400.36 | |
| Sumitomo Pharma America, INC. | 13 | $265.99 | |
| Urogen Pharma, INC. | 9 | $193.11 | |
| Pfizer INC. | 8 | $166.56 | |
| Janssen Biotech, INC. | 10 | $154.71 | |
| Tempus Ai, INC | 1 | $120.47 | |
| Bayer Healthcare Pharmaceuticals INC. | 5 | $93.83 | |
| Abbvie INC. | 3 | $81.36 | |
| Telix Pharmaceuticals | 3 | $74.58 | |
| Myriad Genetic Laboratories, INC. | 3 | $65.77 | |
| Olympus America INC. | 2 | $61.82 | |
| Merck Sharp & Dohme LLC | 2 | $49.25 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $45.73 | |
| Agiliti Surgical, INC. | 2 | $43.71 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,421
Patients
629
Total drug cost
$524,834
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 434 | 151 | $7,869 |
| Finasteride | Generic | 145 | 43 | $2,075 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 133 | 126 | $499 |
| Orgovyx (Relugolix) | Brand | 121 | 19 | $348,079 |
| Myrbetriq (Mirabegron) | Brand | 120 | 33 | $97,386 |
| Solifenacin Succinate | Generic | 73 | 27 | $5,531 |
| Oxybutynin Chloride ER (Oxybutynin Chloride) | Brand | 66 | 21 | $2,619 |
| Trimethoprim | Generic | 55 | 40 | $3,501 |
| Gemtesa (Vibegron) | Brand | 50 | 24 | $49,928 |
| Alfuzosin Hcl ER (Alfuzosin Hcl) | Brand | 49 | 17 | $832 |
Hospital affiliations
Frequently asked questions
What is Dr. Garrett Lischer's medical specialty?
Dr. Garrett Lischer practices Urology Physician in Knoxville, TN.
Where does Dr. Garrett Lischer practice?
Dr. Garrett Lischer practices at 9245 Park West Blvd, Knoxville, TN 379234425. Office phone: 8656903811.
What is Dr. Garrett Lischer's NPI?
Dr. Garrett Lischer's National Provider Identifier (NPI) is 1831185107, issued by NPPES.
Does Dr. Garrett Lischer accept Medicare assignment?
Yes. Dr. Garrett Lischer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Lischer commonly perform?
Top Medicare-reported procedures in 2023: Automated urinalysis test (HCPCS 81003); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.