Robert D. Garrison, M.D.
Emergency Medicine Physician · Lewisville, TX
Robert D. Garrison, M.D. is an emergency medicine physician with a practice address in Lewisville, Texas, and NPI 1922084144, issued on Dec 20, 2005. Check the license (Texas K8903, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert D. Garrison
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- K8903 TX
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Main St, Lewisville, TX 75057
- Phone
- (972) 758-3598
- Enumerated
- Dec 20, 2005
- Record last updated
- Apr 24, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid IDs
- 160817605 TX
160817603 TX
160817606 TX - Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 500 W Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shaghayegh Ababaf, PA-CPhysician Assistant1912372145
- Jeanette Acker, PA-CMedical Physician Assistant1689335226
- Kristie Adame, RD,CDERegistered Dietitian1861729832
- Safa AhmadAnesthesiologist Assistant1346195997
- Stephen Aryeetey, NPNurse Practitioner1912613050
- Candis Beard, MDEmergency Medicine Physician1104801406
Verify Robert D. Garrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K8903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average emergency medicine physician in 2024
492 Medicare Part D claims for 340 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Prednisone93 claims
- Ondansetron Odt53 claims
- Cephalexin37 claims
- Dicyclomine Hcl30 claims
- Acetaminophen-Codeine28 claims
- Cyclobenzaprine Hcl26 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 MIPS final score for 2023 (Medicare payment program): 75.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Robert D. Garrison among 4,885 emergency medicine physician records in Texas
Robert D. Garrison, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2013 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Texas
There are 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Lewisville → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Candis Beard, MDLewisville, TX 750571104801406
- Stewart Coffman, M.D.Lewisville, TX 750571922084631
- James Doyle, MDLewisville, TX 750571275519902
- Nicole Duval, M.D.Lewisville, TX 750571952387607
- Donald Gibbons, MDLewisville, TX 750571720019623
- Jiwon Lee, MDLewisville, TX 750571518991108
- Travis Lilly, M.D.Lewisville, TX 750571497731566
- Ellen O'Connell, MDLewisville, TX 750571063440121
Common questions
What is Robert D. Garrison, M.D.'s NPI number?
Robert D. Garrison, M.D.'s National Provider Identifier (NPI) is 1922084144, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert D. Garrison, M.D. located?
The NPPES record lists a practice address at 500 W Main St, Lewisville, TX, 75057. Phone: (972) 758-3598. Providers update this record themselves, so call before visiting.
How can I verify Robert D. Garrison, M.D.'s license?
NPPES lists Texas license number K8903, 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 Robert D. Garrison, M.D. prescribe under Medicare Part D?
In 2024, Robert D. Garrison, M.D. had 492 Medicare Part D claims for 340 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Robert D. Garrison, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.5 of 100. 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.