Christina Waiyin Koo, DO
Rheumatology Physician · Fort Worth, TX
Christina Waiyin Koo, DO is a rheumatology physician with a practice address in Fort Worth, Texas, and NPI 1962081554, issued on Apr 2, 2021. Check the license (Texas W6682, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Christina Waiyin Koo
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- W6682 TX
OS20171 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1500 S Main St, Fort Worth, TX 76104
- Phone
- (817) 702-1100
- Enumerated
- Apr 2, 2021
- Record last updated
- Jun 22, 2026
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 545 in Texas → Look up another NPI →
Also registered at 1500 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rufus Aderounmu, MDStudent in an Organized Health Care Education/Training Program1780434894
Verify Christina Waiyin Koo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license W6682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average rheumatology physician in 2024
200 Medicare Part D claims for 63 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Celecoxib21 claims
- Prednisone14 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.
Industry payments in 2024: $2,097.41
53 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Christina Waiyin Koo among 545 rheumatology physician records in Texas
Christina Waiyin Koo, DO is one of 545 rheumatology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Texas
There are 545 rheumatology physician records in Texas.
All 545 in Texas → Every provider in Fort Worth → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sampada Acharya, MDFort Worth, TX 761041033422662
- Melanie Barron, DOFort Worth, TX 761041336198472
- Luigino Bernabela, M.DFort Worth, TX 761041215241187
- Hoang Dinh, M.D.Fort Worth, TX 761041386697589
- Raza Jafry, M.D.Fort Worth, TX 761041073629986
- Claudio Lehmann, M.D.Fort Worth, TX 761041508844176
- Brooke Mills, M.D.Fort Worth, TX 761041831586601
- Nuha Said, M.D.Fort Worth, TX 761041780641829
Common questions
What is Christina Waiyin Koo, DO's NPI number?
Christina Waiyin Koo, DO's National Provider Identifier (NPI) is 1962081554, issued on Apr 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Christina Waiyin Koo, DO located?
The NPPES record lists a practice address at 1500 S Main St, Fort Worth, TX, 76104. Phone: (817) 702-1100. Providers update this record themselves, so call before visiting.
How can I verify Christina Waiyin Koo, DO's license?
NPPES lists Texas license number W6682, 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 Christina Waiyin Koo, DO prescribe under Medicare Part D?
In 2024, Christina Waiyin Koo, DO had 200 Medicare Part D claims for 63 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.