NPPES file of Aug 9, 2026

Chia-Yen Lien

Internal Medicine Physician · Lakewood, CO

Chia-Yen Lien is an internal medicine physician with a practice address in Lakewood, Colorado, and NPI 1023145067, issued on Feb 27, 2007. Check the license (Colorado 40557, 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
1023145067
Name
Chia-Yen Lien
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
40557 CO
Self-reported in NPPES; status is on the state search
Practice location
8383 W Alameda Ave, Lakewood, CO 80226
Phone
(303) 338-4545
Enumerated
Feb 27, 2007
Record last updated
Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120518000091); accepts Medicare assignment
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 8383 W Alameda Ave

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

  1. Jehan Abuzer, RNRegistered Nurse1437344462
  2. James Adams, M.D.Internal Medicine Physician1154460558
  3. Sharon AdcockInternal Medicine Physician1710014774
  4. Mohammed Akbani, NPFamily Nurse Practitioner1144637976
  5. Tanya AlaleLicensed Practical Nurse1881890275
  6. Jasmine Aldrich, PAPhysician Assistant1659401412

Verify Chia-Yen Lien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 40557
    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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33% more Medicare Part D claims than the average internal medicine physician in 2024

4,227 Medicare Part D claims for 455 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Chia-Yen Lien4,227
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium675 claims
  2. Amlodipine Besylate308 claims
  3. Losartan Potassium222 claims
  4. Tamsulosin Hcl193 claims
  5. Metformin Hcl Er175 claims
  6. Lisinopril174 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 one group practice

  1. Permanente Medical Group IncSanta Clara, CA

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

Chia-Yen Lien among 2,046 internal medicine physician records in Colorado

Chia-Yen Lien 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
  • Graduated1992 · median 2006 among the 1,090 with a school on file
  • Record last updated2021 · 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).

73 internal medicine physician records list a practice address in Lakewood

They are 73 of the 4,944 NPPES records with a practice address in Lakewood, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. James Adams, M.D.Lakewood, CO 802261154460558
  2. Joan BodakLakewood, CO 802261679617393
  3. Haidi Demain, MDLakewood, CO 802261528105806
  4. Susan Fixman, MDLakewood, CO 802261184768970
  5. Patricia Flood-Speidel, M.D.Lakewood, CO 802261285778902
  6. Barbara LeeLakewood, CO 802261174667968
  7. Judith Lindauer-GosikLakewood, CO 802261124162904
  8. Katherine Lu, MDLakewood, CO 802261366405870

Common questions

What is Chia-Yen Lien's NPI number?

Chia-Yen Lien's National Provider Identifier (NPI) is 1023145067, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Chia-Yen Lien located?

The NPPES record lists a practice address at 8383 W Alameda Ave, Lakewood, CO, 80226. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.

How can I verify Chia-Yen Lien's license?

NPPES lists Colorado license number 40557, 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 Chia-Yen Lien prescribe under Medicare Part D?

In 2024, Chia-Yen Lien had 4,227 Medicare Part D claims for 455 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.