Gregory Charles Lieser, M.D.
Urology Physician · Garland, TX
Gregory Charles Lieser, M.D. is a urology physician with a practice address in Garland, Texas, and NPI 1083858518, issued on Apr 28, 2009. Check the license (Texas Q3726, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gregory Charles Lieser
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- Q3726 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6460 Naaman Forest Blvd, Garland, TX 75044
- Phone
- (972) 494-6764
- Enumerated
- Apr 28, 2009
- Record last updated
- Jun 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (972) 494-6893
- Medicaid IDs
- 348171501 TX
348171502 TX - Medicare enrollment
- Enrolled (PECOS I20150716002535); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 960 in Texas → Look up another NPI →
Verify Gregory Charles Lieser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q3726Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average urology physician in 2024
4,395 Medicare Part D claims for 980 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 193 claims were for opioids.
Most prescribed
- Tamsulosin Hcl1,125 claims
- Finasteride1,095 claims
- Oxybutynin Chloride Er339 claims
- Solifenacin Succinate223 claims
- Hydrocodone-Acetaminophen151 claims
- Testosterone Cypionate144 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $299.13
12 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Urology Clinics OF North Texas, PLLCRockwall, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Charles Lieser among 960 urology physician records in Texas
Gregory Charles Lieser, M.D. is one of 960 urology physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2009 · median 2004 among the 667 with a school on file
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Texas
There are 960 urology physician records in Texas.
All 960 in Texas → Every provider in Garland → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Keith Newman, MDGarland, TX 750421912953050
- Frank Splann, M.D.Garland, TX 750421336180066
- Lawrence Alter, MDIrving, TX 750391568457141
- Ted Ritchie, M.D.Frisco, TX 750351033476551
- Dany Hanna, D.O.Frisco, TX 750341346620002
- Amir Khan, MDFrisco, TX 750331215592050
- John SungFrisco, TX 750331457986978
- Nicol Bush, MDThe Colony, TX 750561568664332
Common questions
What is Gregory Charles Lieser, M.D.'s NPI number?
Gregory Charles Lieser, M.D.'s National Provider Identifier (NPI) is 1083858518, issued on Apr 28, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Charles Lieser, M.D. located?
The NPPES record lists a practice address at 6460 Naaman Forest Blvd, Garland, TX, 75044. Phone: (972) 494-6764. Providers update this record themselves, so call before visiting.
How can I verify Gregory Charles Lieser, M.D.'s license?
NPPES lists Texas license number Q3726, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Charles Lieser, M.D. prescribe under Medicare Part D?
In 2024, Gregory Charles Lieser, M.D. had 4,395 Medicare Part D claims for 980 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Gregory Charles Lieser, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.