Donald Steven Karcher, MD
Hematology (Pathology) Physician · Washington, DC
Donald Steven Karcher, MD is a hematology (pathology) physician with a practice address in Washington, District of Columbia, and NPI 1154437499, issued on Aug 21, 2006. Check the license (District of Columbia MD14909, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Donald Steven Karcher
- Credential
- MD
- Primary taxonomy
- Hematology (Pathology) Physician 207ZH0000X
- License number
- MD14909 DC
Self-reported in NPPES; status is on the state search - Practice location
- 900 23RD St NW, Washington, DC 20037
- Phone
- (202) 994-4665
- Enumerated
- Aug 21, 2006
- Record last updated
- Sep 11, 2025
- Medicaid ID
- 0114468200 DC
- Medicare enrollment
- Enrolled (PECOS I20101202000437); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1974
- Entity
- Type 1 · individual
2 nearest hematology (pathology) physician records → All 3 in District of Columbia → Look up another NPI →
Also registered at 900 23RD St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saleem Abdulrauf, MDNeurological Surgery Physician1972614626
- Osereme AbuluStudent in an Organized Health Care Education/Training Program1285383729
- Crystal AdamsAnesthesiology Physician1922462233
- Leah AdamsStudent in an Organized Health Care Education/Training Program1457292682
Verify Donald Steven Karcher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD14909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $47.35
1 payment: food and beverage; the largest payer was Celgene Corporation. The 72 providers of this specialty with any payment received $4,540.82 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
- Medical Faculty Associates, IncWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology (Pathology) Physician providers in District of Columbia
There are 3 hematology (pathology) physician records in District of Columbia.
All 3 in District of Columbia → Every provider in Washington → Hematology (Pathology) Physician nationwide →
The 2 hematology (pathology) physician records with the nearest ZIP codes
- Tapan Bhavsar, MD, PHDWashington, DC 200371508164021
- Emily Howard, MDWashington, DC 200101841360054
Common questions
What is Donald Steven Karcher, MD's NPI number?
Donald Steven Karcher, MD's National Provider Identifier (NPI) is 1154437499, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Steven Karcher, MD located?
The NPPES record lists a practice address at 900 23RD St NW, Washington, DC, 20037. Phone: (202) 994-4665. Providers update this record themselves, so call before visiting.
How can I verify Donald Steven Karcher, MD's license?
NPPES lists District of Columbia license number MD14909, 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.
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.