Dale H. Isaacson, M.D.
Dermatology Physician · Washington, DC
Dale H. Isaacson, M.D. is a dermatology physician with a practice address in Washington, District of Columbia, and NPI 1245206564, issued on Feb 27, 2006. Check the license (District of Columbia MD11222, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Dale H. Isaacson
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD11222 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1828 L St NW, Washington, DC 20036
- Phone
- (202) 822-9591
- Enumerated
- Feb 27, 2006
- Record last updated
- Feb 19, 2025
- Fax
- (202) 775-1857
- Medicare enrollment
- Enrolled (PECOS I20160623001538); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1977
- Entity
- Type 1 · individual
Also registered at 1828 L St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marilyn Berzin, M.D.Dermatology Physician1043286362
- Douglas Mackay, N.D.Naturopath1124463237
Verify Dale H. Isaacson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD11222Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average dermatology physician in 2024
121 Medicare Part D claims for 44 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Ketoconazole24 claims
- Valacyclovir11 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.
Industry payments in 2024: $651.53
20 payments; by number, the most common kind was food and beverage; the largest payer was Revance Therapeutics, Inc. 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.
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
- Drs Isaacson And Berzin LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in District of Columbia
There are 74 dermatology physician records in District of Columbia.
All 74 in District of Columbia → Every provider in Washington →
Other dermatology physician records in District of Columbia
- Ibilola Adekunle, M.D.Washington, DC1801243621
- Thomas Adrian, M.D.Washington, DC1457694010
- Ohara AivazWashington, DC1487946661
- Henok Araya, M.D.Washington, DC1649379702
- Susan BarryWashington, DC1891793931
- Eliot Battle, M.D.Washington, DC1972749505
- Meghan Beatson, MDWashington, DC1386272441
- James Michael Bell, MDWashington, DC1447767397
- Marilyn Berzin, M.D.Washington, DC1043286362
- Laura Boger, MDWashington, DC1598022501
Common questions
What is Dale H. Isaacson, M.D.'s NPI number?
Dale H. Isaacson, M.D.'s National Provider Identifier (NPI) is 1245206564, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dale H. Isaacson, M.D. located?
The NPPES record lists a practice address at 1828 L St NW, Washington, DC, 20036. Phone: (202) 822-9591. Providers update this record themselves, so call before visiting.
How can I verify Dale H. Isaacson, M.D.'s license?
NPPES lists District of Columbia license number MD11222, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dale H. Isaacson, M.D. prescribe under Medicare Part D?
In 2024, Dale H. Isaacson, M.D. had 121 Medicare Part D claims for 44 beneficiaries; the average among dermatology physician prescribers was 797. 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.