NPPES file of Aug 9, 2026

Cheryl A. Armstrong, MD

Dermatology Physician · Denver, CO

Cheryl A. Armstrong, MD is a dermatology physician with a practice address in Denver, Colorado, and NPI 1194705863, issued on Jan 19, 2006. Check the license (Colorado 43286, 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
1194705863
Name
Cheryl A. Armstrong
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
43286 CO
Self-reported in NPPES; status is on the state search
Practice location
777 Bannock St, Denver, CO 80204
Phone
(303) 602-5000
Enumerated
Jan 19, 2006
Record last updated
May 29, 2024
Medicare enrollment
Enrolled (PECOS I20081104000690); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 1984
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 Cheryl A. Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 43286
    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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31% fewer Medicare Part D claims than the average dermatology physician in 2024

552 Medicare Part D claims for 122 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Cheryl Armstrong552
  2. Specialty average797

Most prescribed

  1. Ketoconazole94 claims
  2. Triamcinolone Acetonide61 claims
  3. Tacrolimus50 claims
  4. Tretinoin28 claims
  5. Clobetasol Propionate27 claims
  6. Calcipotriene26 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).

Bills Medicare through one group practice

  1. Denver Health And Hospital AuthorityDenver, CO

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

Cheryl A. Armstrong among 305 dermatology physician records in Colorado

Cheryl A. Armstrong, MD is one of 305 dermatology physician records with a practice address in Colorado. 86% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 64% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated1984 · median 2007 among the 238 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dermatology Physician providers in Colorado

There are 305 dermatology physician records in Colorado.

The 8 dermatology physician records with the nearest ZIP codes

  1. Sylvia Brice, MDDenver, CO 802041245333236
  2. Lela Lee, MDDenver, CO 802041275542201
  3. Catherine Carretero, M.D.Denver, CO 802051376691931
  4. Anwell Chang, MDDenver, CO 802051598868580
  5. Jessica Farahi, M.D.Denver, CO 802051376075812
  6. Elisa Kapler, M.D.Denver, CO 802051073762803
  7. Meg Lemon, M.D.Denver, CO 802051902845985
  8. Powell Perng, MDDenver, CO 802051528459815

Common questions

What is Cheryl A. Armstrong, MD's NPI number?

Cheryl A. Armstrong, MD's National Provider Identifier (NPI) is 1194705863, issued on Jan 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cheryl A. Armstrong, MD located?

The NPPES record lists a practice address at 777 Bannock St, Denver, CO, 80204. Phone: (303) 602-5000. Providers update this record themselves, so call before visiting.

How can I verify Cheryl A. Armstrong, MD's license?

NPPES lists Colorado license number 43286, 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 Cheryl A. Armstrong, MD prescribe under Medicare Part D?

In 2024, Cheryl A. Armstrong, MD had 552 Medicare Part D claims for 122 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Cheryl A. Armstrong, 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.