NPPES file of Aug 9, 2026

Clara Chan, M.D.

Hematology & Oncology Physician · Silver Spring, MD

Clara Chan, M.D. is a hematology & oncology physician with a practice address in Silver Spring, Maryland, and NPI 1952338592, issued on Jun 27, 2006. Check the license (Maryland D41828, as entered in NPPES) 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
1952338592
Name
Clara Chan
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
D41828 MD
Self-reported in NPPES; status is on the state search
Practice location
9801 Georgia Ave, Silver Spring, MD 20902
Phone
(301) 681-4600
Enumerated
Jun 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(301) 681-4648
Medicare enrollment
Enrolled (PECOS I20091202000144); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1976
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.
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Also registered at 9801 Georgia Ave

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

  1. Fernanda Aguilera, LICENTIATESpeech-Language Assistant1588071138
  2. Thomas Anthony, M.D.Interventional Cardiology Physician1588779862
  3. Anuradha Arun, M.D.Internal Medicine Physician1003997479
  4. Nene Barry, CRNPPrimary Care Nurse Practitioner1154835254
  5. Sunitha Bhogavilli, M.D.Internal Medicine Physician1114953452
  6. Kenneth Clore, DDSDentist1457469116

Verify Clara Chan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D41828
    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 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 for 19 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Clara Chan97
  2. Specialty average877

Most prescribed

  1. Hydroxyurea22 claims
  2. Brukinsa16 claims
  3. Xarelto15 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: $1,135.21

32 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Clara Chan$1,135.21
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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 Clara Chan, M.D.'s NPI number?

Clara Chan, M.D.'s National Provider Identifier (NPI) is 1952338592, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Clara Chan, M.D. located?

The NPPES record lists a practice address at 9801 Georgia Ave, Silver Spring, MD, 20902. Phone: (301) 681-4600. Providers update this record themselves, so call before visiting.

How can I verify Clara Chan, M.D.'s license?

NPPES lists Maryland license number D41828, as entered by the provider. 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 Clara Chan, M.D. prescribe under Medicare Part D?

In 2024, Clara Chan, M.D. had 97 Medicare Part D claims for 19 beneficiaries; 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.