Tin Wai Judy Koo, MD
Child & Adolescent Psychiatry Physician · Round Rock, TX
Tin Wai Judy Koo, MD is a child & adolescent psychiatry physician with a practice address in Round Rock, Texas, and NPI 1174782049, issued on Jun 5, 2008. Check the license (Texas N1371, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tin Wai Judy Koo
- Credential
- MD
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- N1371 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2120 N Mays St Ste 430, Round Rock, TX 78664
- Phone
- (877) 800-5722
- Enumerated
- Jun 5, 2008
- Record last updated
- Mar 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 482 in Texas → Look up another NPI →
Also registered at 2120 N Mays St Ste 430
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittani Akindolire, M.A. LPCProfessional Counselor1851093637
- Dydia Burnsed, LCSWClinical Social Worker1326375163
- Claire CaldwellClinical Social Worker1235489949
- Melissa Delario, M.D.Pediatrics Physician1407078561
- Lauren Douglas, M.D.Psychiatry Physician1700147923
- Manasa Enja, M.D.Child & Adolescent Psychiatry Physician1326400599
Verify Tin Wai Judy Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N1371Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
336 Medicare Part D claims for 32 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate50 claims
- Bupropion Xl39 claims
- Fluoxetine Hcl34 claims
- Propranolol Hcl31 claims
- Duloxetine Hcl28 claims
- Trazodone Hcl22 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.
Tin Wai Judy Koo among 482 child & adolescent psychiatry physician records in Texas
Tin Wai Judy Koo, MD is one of 482 child & adolescent psychiatry physician records with a practice address in Texas. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 45% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 28% of these records are
- Record last updated2021 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in Texas
There are 482 child & adolescent psychiatry physician records in Texas.
All 482 in Texas → Every provider in Round Rock → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- David Coghe, MDRound Rock, TX 786641447237078
- Manasa Enja, M.D.Round Rock, TX 786641326400599
- Shauna Reid, MDRound Rock, TX 786641396949533
- Jessica Reuben, M.D.Round Rock, TX 786641083974992
- Robert Cusser, DORound Rock, TX 786651902226095
- Brian Massey, M.D.Round Rock, TX 786651275619306
- Christopher Masi, M.D.Round Rock, TX 786811053536128
- David Riedel, M.D.Liberty Hill, TX 786421942384144
Common questions
What is Tin Wai Judy Koo, MD's NPI number?
Tin Wai Judy Koo, MD's National Provider Identifier (NPI) is 1174782049, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tin Wai Judy Koo, MD located?
The NPPES record lists a practice address at 2120 N Mays St Ste 430, Round Rock, TX, 78664. Phone: (877) 800-5722. Providers update this record themselves, so call before visiting.
How can I verify Tin Wai Judy Koo, MD's license?
NPPES lists Texas license number N1371, 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 Tin Wai Judy Koo, MD prescribe under Medicare Part D?
In 2024, Tin Wai Judy Koo, MD had 336 Medicare Part D claims for 32 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
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.