Doctor profile · Federal record
Dr. Gregory Lieser, M.D.
Urology Physician (CMS: Urology) · Garland, TX
- NPI 1083858518
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6460 Naaman Forest Blvd
Garland, TX 750445601
(972) 494-6764
fax (972) 494-6893 - Additional location
-
2821 E President George Bush Hwy, Suite 300
Richardson, TX 750824266
(972) 961-9482 - Additional location
-
890 Rockwall Pkwy Ste 110
Rockwall, TX 750326871
(972) 961-9482
fax (972) 961-9550 - Mailing address
-
3600 Gaston Ave, Suite 1205
Dallas, TX 752461800
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Profile last updated
- June 7, 2018
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- Texas #Q3726
- Medicaid (2)
- TX #348171501 · TX #348171502
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083858518. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,037
Distinct HCPCS
10
Medicare allowed
$334,885
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,241 | 704 | $90 | |
81003 |
Automated urinalysis test | 783 | 511 | $2 | |
36415 |
Insertion of needle into vein for collection of blood sample | 553 | 326 | $8 | |
51798 |
Ultrasound measurement of bladder capacity after voiding | 426 | 318 | $11 | |
84153 |
Psa (prostate specific antigen) measurement, total | 369 | 246 | $18 | |
J9217 |
Leuprolide acetate (for depot suspension), 7.5 mg | 277 | 36 | $173 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 199 | 161 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 155 | 155 | $163 | |
52000 |
Diagnostic exam of bladder and urethra using an endoscope | 110 | 83 | $240 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 79 | 51 | $77 |
In context: peer comparison
Among 2 peers in Garland Urology Physician, average services per provider: 150. This provider delivers 34× the peer median.Open Payments
Industry payments received
All-time total
$299
Transactions
12
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 2 | $61.43 | |
| Ethicon US, LLC | 1 | $39.10 | |
| Sumitomo Pharma America, INC. | 1 | $28.92 | |
| Intuitive Surgical, INC. | 1 | $28.83 | |
| Blue Earth Diagnostics Limited | 1 | $24.92 | |
| Innovation Technologies INC | 1 | $22.88 | |
| Astellas Pharma US INC | 1 | $22.10 | |
| Merck Sharp & Dohme LLC | 1 | $21.48 | |
| Endo USA, INC. | 1 | $19.49 | |
| Pfizer INC. | 1 | $15.69 | |
| Medtronic, INC. | 1 | $14.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,053
Patients
1,171
Total drug cost
$1,491,160
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Finasteride | Generic | 878 | 260 | $14,039 |
| Tamsulosin Hcl | Generic | 845 | 276 | $15,603 |
| Oxybutynin Chloride ER (Oxybutynin Chloride) | Brand | 243 | 90 | $6,956 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 138 | 116 | $1,391 |
| Myrbetriq (Mirabegron) | Brand | 128 | 34 | $95,097 |
| Solifenacin Succinate | Generic | 121 | 49 | $9,630 |
| Ciprofloxacin Hcl | Generic | 115 | 89 | $749 |
| Testosterone Cypionate | Generic | 96 | 20 | $2,085 |
| Xtandi (Enzalutamide) | Brand | 92 | 0 | $1,333,878 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 88 | 45 | $2,712 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Lieser's medical specialty?
Dr. Gregory Lieser practices Urology Physician in Garland, TX.
Where does Dr. Gregory Lieser practice?
Dr. Gregory Lieser practices at 6460 Naaman Forest Blvd, Garland, TX 750445601. Office phone: 9724946764.
What is Dr. Gregory Lieser's NPI?
Dr. Gregory Lieser's National Provider Identifier (NPI) is 1083858518, issued by NPPES.
Does Dr. Gregory Lieser accept Medicare assignment?
Yes. Dr. Gregory Lieser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Lieser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Automated urinalysis test (HCPCS 81003); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.