Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Ashley Elizabeth McGuinness, MD

Individual provider Dermatology Physician · NPI 1851882716

Ashley Elizabeth McGuinness, MD practises Dermatology in Chesterfield, Missouri. Graduated from Saint Louis University School of Medicine in 2018, 8 years ago. Practices with United Skin Specialists Missouri Ltd PC, a 14-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Iowa, Minnesota and Missouri.

Years since qualifying
8
Trained at
Saint Louis University School of Medicine
Licensed in
IA, MN, MO
In the registry since
2018
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1001 Chesterfield Pkwy E Ste 101
Chesterfield, MO 63017-2167
Phone: (314) 878-3839
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 200 Hawkins Dr Dept Of, Iowa City, IA 52242-1009 — (319) 467-2000
  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511

Specialties & licences

MOHS-Micrographic Surgery Physician (primary) Taxonomy 207ND0101X · Licence 2023024448 (MO)
Dermatology Physician Taxonomy 207N00000X · Licence R-11179 (IA)
MOHS-Micrographic Surgery Physician Taxonomy 207ND0101X · Licence 71536 (MN)

Record details

NPI number1851882716
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 25, 2018
Last updated in NPPESSeptember 19, 2023
Certification dateSeptember 19, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Also practisesMICROGRAPHIC DERMATOLOGIC SURGERY (MDS)
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice United Skin Specialists Missouri Ltd Pc — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Melanoma (skin cancer) excision 35 times · 82nd percentile
Removal of skin lesions 60 times · 73rd percentile
Skin biopsy 16 times · 62nd percentile
Removal of skin cancer 203 times · 35th percentile
Removal of tissue 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients257
Services billed 1,241 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $657 15 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at United Skin Specialists Missouri Ltd PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 14 clinicians in the practice; 12 are shown here.

Other providers in Chesterfield