NPPES file of Aug 9, 2026

Yi-Jou Tsai, M.D.

Neurology Physician · Denver, CO

Yi-Jou Tsai, M.D. is a neurology physician with a practice address in Denver, Colorado, and NPI 1053674903, issued on Jun 15, 2012. Check the license (Colorado DR.0071712, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053674903
Name
Yi-Jou Tsai
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License numbers
DR.0071712 CO
76198 GA
2023-03107 NC
LL34916 SC
Self-reported in NPPES; status is on the state search
Practice location
777 Bannock St, Denver, CO 80204
Phone
(303) 436-4949
Enumerated
Jun 15, 2012
Record last updated
Jan 9, 2025
Fax
(303) 602-6190
Medicare enrollment
Enrolled (PECOS I20231121002870); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 777 Bannock St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eric Aaltonen, M.D.Vascular & Interventional Radiology Physician1538340344
  2. Sarah Abbott, LCSWClinical Social Worker1326519042
  3. Ejaaz Abdulkabir, CNMAdvanced Practice Midwife1710551783
  4. Miren Aboitiz, NP-CWomen's Health Nurse Practitioner1568862282
  5. Edgar Acosta, MSWClinical Social Worker1467900381
  6. Shanie Adaime, RDHDental Hygienist1083318554

Verify Yi-Jou Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0071712
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average neurology physician in 2024

68 Medicare Part D claims for 31 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Yi-Jou Tsai68
  2. Specialty average1,370

Most prescribed

  1. Ajovy Autoinjector12 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.

Bills Medicare through 2 group practices

  1. Neuromonitoring Services OF America IncPueblo, CO
  2. WakemedRaleigh, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yi-Jou Tsai among 396 neurology physician records in Colorado

Yi-Jou Tsai, M.D. is one of 396 neurology physician records with a practice address in Colorado. 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 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 33% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2012 · median 2010 among the 275 with a school on file
  • Record last updated2025 · 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 2084N0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Colorado

There are 396 neurology physician records in Colorado.

The 8 neurology physician records with the nearest ZIP codes

  1. Martine Bernard, M.D.Denver, CO 802041427211887
  2. Patrick Bosque, MDDenver, CO 802041881606945
  3. Chad Bush, M.D., M.P.H.Denver, CO 802041750743571
  4. Jeffrey Cohen, MDDenver, CO 802041396726717
  5. Karen Dumars, MDDenver, CO 802041417059346
  6. Richard Hughes, MDDenver, CO 802041912911066
  7. Eryn Lonnquist, MDDenver, CO 802041811163140
  8. Arturo Montano, MDDenver, CO 802041992047898

Common questions

What is Yi-Jou Tsai, M.D.'s NPI number?

Yi-Jou Tsai, M.D.'s National Provider Identifier (NPI) is 1053674903, issued on Jun 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Yi-Jou Tsai, M.D. located?

The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 436-4949. Providers update this record themselves, so call before visiting.

How can I verify Yi-Jou Tsai, M.D.'s license?

NPPES lists Colorado license number DR.0071712, as entered by the provider. 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 Yi-Jou Tsai, M.D. prescribe under Medicare Part D?

In 2024, Yi-Jou Tsai, M.D. had 68 Medicare Part D claims for 31 beneficiaries; the average among neurology physician prescribers was 1,370. 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.