NPPES file of Aug 9, 2026

Sheila C. Tsai, MD

Sleep Medicine (Internal Medicine) Physician · Denver, CO

Sheila C. Tsai, MD is a sleep medicine (internal medicine) physician with a practice address in Denver, Colorado, and NPI 1902855315, issued on May 10, 2006. Check the license (Colorado 46940, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902855315
Name
Sheila C. Tsai
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
46940 CO
Self-reported in NPPES; status is on the state search
Practice location
1400 Jackson St, Denver, CO 80206
Phone
(303) 388-4461
Enumerated
May 10, 2006
Record last updated
Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(303) 270-2206
Medicaid ID
01483528 CO
Medicare enrollment
Enrolled (PECOS I20081119000894); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
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 1400 Jackson St

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

  1. Ronya Ajeel, APN-CRNACertified Registered Nurse Anesthetist1184279044
  2. Akrum Al-Zubaidi, D.O.Pulmonary Disease Physician1649426222
  3. Rafeul Alam, MDAllergy & Immunology Physician1790730687
  4. Jon Allison, PACMedical Physician Assistant1609812668
  5. Vivianne Allsop, MDRheumatology Physician1215499603
  6. Mark Aloia, MDPsychiatry Physician1295842607

Verify Sheila C. Tsai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 46940
    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

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83% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

100 Medicare Part D claims for 35 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.

  1. Sheila Tsai100
  2. Specialty average585

Most prescribed

  1. Modafinil20 claims
  2. Gabapentin19 claims
  3. Trazodone Hcl14 claims
  4. Armodafinil11 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.2
  2. Costout of 100 · 30%73.5
  3. Promoting interoperabilityout of 100 · 25%88.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $823.33

1 payment: consulting fee; the largest payer was Resmed Corp. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sheila Tsai$823.33
  2. Specialty average$3,724.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Denver Health And Hospital AuthorityDenver, CO
  2. National Jewish HealthDenver, CO · Acute Care Hospitals

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).

Sheila C. Tsai among 21 sleep medicine (internal medicine) physician records in Colorado

Sheila C. Tsai, MD is one of 21 sleep medicine (internal medicine) physician records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 48% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1997 · median 1997 among the 14 with a school on file
  • Record last updated2020 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Colorado

There are 21 sleep medicine (internal medicine) physician records in Colorado.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Deborah Hong, M.D.Denver, CO 802061932544053
  2. Neale Lange, MDDenver, CO 802061558337642
  3. Teofilo Lee-Chiong, MDDenver, CO 802041225115546
  4. John Wilkins, MDDenver, CO 802471013009133
  5. Robert Ballard, MDLittleton, CO 801201255424347
  6. David McCarty, MDBoulder, CO 803011831193630
  7. David Slamowitz, MDGreenwood Village, CO 801111780655878
  8. Jessica Camacho, M.D.Aurora, CO 800451588927131

Common questions

What is Sheila C. Tsai, MD's NPI number?

Sheila C. Tsai, MD's National Provider Identifier (NPI) is 1902855315, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sheila C. Tsai, MD located?

The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 388-4461. Providers update this record themselves, so call before visiting.

How can I verify Sheila C. Tsai, MD's license?

NPPES lists Colorado license number 46940, 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 Sheila C. Tsai, MD prescribe under Medicare Part D?

In 2024, Sheila C. Tsai, MD had 100 Medicare Part D claims for 35 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

What is Sheila C. Tsai, MD's MIPS final score?

The 2023 MIPS final score is 91.1 of 100, reported for the practice group. 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.