NPPES file of Aug 9, 2026

Peggy Liao, MD

Dermatology Physician · Denver, CO

Peggy Liao, MD is a dermatology physician with a practice address in Denver, Colorado, and NPI 1699799379, issued on Jul 27, 2006. Check the license (Colorado 43533, 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
1699799379
Name
Peggy Liao
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
43533 CO
Self-reported in NPPES; status is on the state search
Practice location
2200 E 18TH Ave, Denver, CO 80206
Phone
(303) 322-7789
Enumerated
Jul 27, 2006
Record last updated
Dec 2, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(303) 805-7732
Medicaid ID
85558052 CO
Medicare enrollment
Enrolled (PECOS I20050809000048); may accept Medicare assignment
Medical or professional school
Duke University School Of Medicine, 2001
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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Verify Peggy Liao in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 43533
    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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35% fewer Medicare Part D claims than the average dermatology physician in 2024

515 Medicare Part D claims for 219 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Peggy Liao515
  2. Specialty average797

Most prescribed

  1. Clobetasol Propionate53 claims
  2. Ketoconazole39 claims
  3. Triamcinolone Acetonide35 claims
  4. Hydrocortisone31 claims
  5. Minoxidil29 claims
  6. Doxycycline Hyclate25 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): 83.1 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 score87.1
  2. Costout of 100 · 30%67.1
  3. Promoting interoperabilitynot scored (reweighted)
  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: $892.43

38 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peggy Liao$892.43
  2. Specialty average$8,544.61

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

Bills Medicare through 2 group practices

  1. Advanced Dermatology OF Colorado PCDenver, CO
  2. Colorado Coalition For The HomelessDenver, CO

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

Dermatology Physician providers in Colorado

There are 305 dermatology physician records in Colorado.

Other dermatology physician records in Colorado

  1. Phillip Albright, M.D.Denver, CO1588003628
  2. Paola Aldana, MDDenver, CO1720615198
  3. Theodore Alkousakis, M.D.Aurora, CO1992830269
  4. Carol Alonso, M.D.Westminster, CO1386962256
  5. Mahsa Amir, MDParker, CO1225477359
  6. Reagan Anderson, D.O.Colorado Springs, CO1356334965
  7. Nicole Annest, M.D.Lafayette, CO1205842051
  8. Harvey Arbuckle, MDLafayette, CO1982758264
  9. Cheryl Armstrong, MDDenver, CO1194705863
  10. Harleen Arora, MDDenver, CO1205332764

Common questions

What is Peggy Liao, MD's NPI number?

Peggy Liao, MD's National Provider Identifier (NPI) is 1699799379, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peggy Liao, MD located?

The NPPES record lists a practice address at 2200 E 18TH Ave, Denver, CO, 80206. Phone: (303) 322-7789. Providers update this record themselves, so call before visiting.

How can I verify Peggy Liao, MD's license?

NPPES lists Colorado license number 43533, 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 Peggy Liao, MD prescribe under Medicare Part D?

In 2024, Peggy Liao, MD had 515 Medicare Part D claims for 219 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Peggy Liao, MD's MIPS final score?

The 2023 MIPS final score is 83.1 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.