NPPES file of Aug 9, 2026

Charles S. Hesdorffer, MD

Hematology & Oncology Physician · Bethesda, MD

Charles S. Hesdorffer, MD is a hematology & oncology physician with a practice address in Bethesda, Maryland, and NPI 1356302095, issued on Mar 31, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356302095
Name
Charles S. Hesdorffer
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD040886 DC
169687 NY
Self-reported in NPPES; status is on the state search
Practice location
10 Center Dr RM 4-5140, Bethesda, MD 20892
Phone
(310) 402-2339
Enumerated
Mar 31, 2006
Record last updated
Sep 8, 2022
Fax
(310) 594-1290
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10 Center Dr RM 4-5140

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Iris RahmanHematology & Oncology Physician1629773825
  2. Katie Stoops, MDHematology & Oncology Physician1235873860
  3. Rachel Zemel, MDHematology & Oncology Physician1689256778

Verify Charles S. Hesdorffer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 Maryland license search

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89% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

97 Medicare Part D claims, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Charles Hesdorffer97
  2. Specialty average877

Most prescribed

  1. Metformin Hcl12 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.

Hematology & Oncology Physician providers in Maryland

There are 317 hematology & oncology physician records in Maryland.

Other hematology & oncology physician records in Maryland

  1. Kenneth Abbott, M.D.Prince Frederick, MD1306976949
  2. Courtney Ackerman, M.D.Silver Spring, MD1790919744
  3. Michael Adashek, D.O.Towson, MD1972037661
  4. Manish Agrawal, M.D.Rockville, MD1275614984
  5. Bilal Ahmed, MDPrince Frederick, MD1093984411
  6. Saira Ahmed, MDBaltimore, MD1932393766
  7. Margaret Akpan, MDCheverly, MD1669458931
  8. Ahmad Al-Homsi, MDBaltimore, MD1104808047
  9. Kashif Ali, M.D.Silver Spring, MD1851423388
  10. Zakari Aliyu, MDBaltimore, MD1679539464

Common questions

What is Charles S. Hesdorffer, MD's NPI number?

Charles S. Hesdorffer, MD's National Provider Identifier (NPI) is 1356302095, issued on Mar 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles S. Hesdorffer, MD located?

The NPPES record lists a practice address at 10 Center Dr RM 4-5140, Bethesda, MD, 20892. Phone: (310) 402-2339. Providers update this record themselves, so call before visiting.

How can I verify Charles S. Hesdorffer, MD's license?

Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Charles S. Hesdorffer, MD prescribe under Medicare Part D?

In 2024, Charles S. Hesdorffer, MD had 97 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. 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.