Katherine Shuang-Chyuang Tsai, M.D.
Internal Medicine Physician · Denver, CO
Katherine Shuang-Chyuang Tsai, M.D. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1316084205, issued on Jan 31, 2007. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Katherine Shuang-Chyuang Tsai
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2006008803 MO
Self-reported in NPPES; status is on the state search - Practice location
- 125 Rampart Way, Denver, CO 80230
- Phone
- (720) 858-7434
- Enumerated
- Jan 31, 2007
- Record last updated
- Mar 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090619000541); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 125 Rampart Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lucille Dipaola, FNP-CFamily Nurse Practitioner1801679956
- Mark Ebadi, MDSpecialist1639140247
- John James, MDSpecialist1457322927
- Nunthaporn Laoprasert, MDSpecialist1700857109
- Joanna Levin, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1598798449
Verify Katherine Shuang-Chyuang Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,605 Medicare Part D claims for 308 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Albuterol Sulfate Hfa157 claims
- Fluticasone-Salmeterol118 claims
- Azithromycin85 claims
- Fluticasone Propionate82 claims
- Prednisone76 claims
- Omeprazole73 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: $2,713.48
131 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Colorado Allergy And Asthma Centers PCBroomfield, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Shuang-Chyuang Tsai among 2,046 internal medicine physician records in Colorado
Katherine Shuang-Chyuang Tsai, M.D. is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 39% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1999 · median 2006 among the 1,090 with a school on file
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tyra Fainstad, M.D.Denver, CO 802301972802429
- Barr FormanDenver, CO 802301114220944
- Samuel Fountain, MDDenver, CO 802301609456961
- Barry Hochstadt, M.D.Denver, CO 802301225061898
- Emily Jones, M.D.Denver, CO 802301003063140
- David Lowry, M.D.Denver, CO 802301376999672
- Amanda Lucier, MDDenver, CO 802301518594233
- Jennifer McBride, MDDenver, CO 802301982642997
Common questions
What is Katherine Shuang-Chyuang Tsai, M.D.'s NPI number?
Katherine Shuang-Chyuang Tsai, M.D.'s National Provider Identifier (NPI) is 1316084205, issued on Jan 31, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Shuang-Chyuang Tsai, M.D. located?
The NPPES record lists a practice address at 125 Rampart Way, Denver, CO, 80230. Phone: (720) 858-7434. Providers update this record themselves, so call before visiting.
How can I verify Katherine Shuang-Chyuang Tsai, M.D.'s license?
Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Shuang-Chyuang Tsai, M.D. prescribe under Medicare Part D?
In 2024, Katherine Shuang-Chyuang Tsai, M.D. had 1,605 Medicare Part D claims for 308 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.