NPPES file of Aug 9, 2026

Douglas Carey Semler, MD

Dermatology Physician · Lansdowne, VA

Douglas Carey Semler, MD is a dermatology physician with a practice address in Lansdowne, Virginia, and NPI 1467403600, issued on May 12, 2006. Check the license (Virginia 0101236566, as entered in NPPES) on the Virginia Department of Health Professions; 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
1467403600
Name
Douglas Carey Semler
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
0101236566 VA
Self-reported in NPPES; status is on the state search
Practice location
19465 Deerfield Avenue, Lansdowne, VA 20176
Phone
(703) 723-6568
Enumerated
May 12, 2006
Record last updated
Jun 23, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(703) 723-4298
Medicare enrollment
Enrolled (PECOS I20041110000501); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 1998
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.
Download card Updates feed

Verify Douglas Carey Semler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101236566
    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 Virginia 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

13% more Medicare Part D claims than the average dermatology physician in 2024

900 Medicare Part D claims for 328 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Douglas Semler900
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide116 claims
  2. Doxycycline Hyclate88 claims
  3. Fluocinonide83 claims
  4. Ketoconazole54 claims
  5. Mupirocin49 claims
  6. Clobetasol Propionate47 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  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: $1,280.64

34 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. 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. Douglas Semler$1,280.64
  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 one group practice

  1. Semler Dermatology IncLansdowne, VA

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

Douglas Carey Semler among 422 dermatology physician records in Virginia

Douglas Carey Semler, MD is one of 422 dermatology physician records with a practice address in Virginia. 83% 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, 57% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1998 · median 2007 among the 311 with a school on file
  • Record last updated2016 · 47% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6 dermatology physician records list a practice address in Lansdowne

They are 6 of the 197 NPPES records with a practice address in Lansdowne, and 422 dermatology physician records in Virginia.

The 8 dermatology physician records with the nearest ZIP codes

  1. Keri Church, PA-CLansdowne, VA 201761851877336
  2. Van Ha, MDLeesburg, VA 201761649263195
  3. Meredith Helser, PA-CLansdowne, VA 201761992469720
  4. Smeena Khan, M.D.Lansdowne, VA 201761922108521
  5. Roberta Moreland, MDLeesburg, VA 201761104819739
  6. Jane Nguyen, M.D.Lansdowne, VA 201761275585473
  7. Vishal Patel, MDLansdowne, VA 201761447410246
  8. Elaine Eliezer, MDLeesburg, VA 201751396834974

Common questions

What is Douglas Carey Semler, MD's NPI number?

Douglas Carey Semler, MD's National Provider Identifier (NPI) is 1467403600, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Douglas Carey Semler, MD located?

The NPPES record lists a practice address at 19465 Deerfield Avenue, Lansdowne, VA, 20176. Phone: (703) 723-6568. Providers update this record themselves, so call before visiting.

How can I verify Douglas Carey Semler, MD's license?

NPPES lists Virginia license number 0101236566, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Douglas Carey Semler, MD prescribe under Medicare Part D?

In 2024, Douglas Carey Semler, MD had 900 Medicare Part D claims for 328 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Douglas Carey Semler, MD's MIPS final score?

The 2023 MIPS final score is 100 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.