NPPES file of Aug 9, 2026

Chanudi Weerasinghe, M.D.

Hematology (Internal Medicine) Physician · Bellingham, WA

Chanudi Weerasinghe, M.D. is a hematology (internal medicine) physician with a practice address in Bellingham, Washington, and NPI 1124469093, issued on Jul 8, 2013. Check the license (Washington MD60891432, as entered in NPPES) on the Washington Medical Commission; 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
1124469093
Name
Chanudi Weerasinghe
Credential
M.D.
Primary taxonomy
Hematology (Internal Medicine) Physician 207RH0000X
License number
MD60891432 WA
Self-reported in NPPES; status is on the state search
Practice location
Peacehealth, Bellingham, WA 98225
Phone
(360) 788-8222
Enumerated
Jul 8, 2013
Record last updated
Jul 16, 2024
Fax
(360) 788-7759
Medicare enrollment
Enrolled (PECOS I20190924002991); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Chanudi Weerasinghe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60891432
    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 Washington license search

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6.4 times the Medicare Part D claims of the average hematology (internal medicine) physician in 2024

3,170 Medicare Part D claims for 469 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 227 claims were for opioids.

  1. Chanudi Weerasinghe3,170
  2. Specialty average496

Most prescribed

  1. Letrozole336 claims
  2. Prochlorperazine Maleate158 claims
  3. Ondansetron Hcl137 claims
  4. Dexamethasone136 claims
  5. Gabapentin134 claims
  6. Tamoxifen Citrate133 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: $89.89

4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chanudi Weerasinghe$90
  2. Specialty average$13,778

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. PeacehealthBellingham, WA

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

Chanudi Weerasinghe among 34 hematology (internal medicine) physician records in Washington

Chanudi Weerasinghe, M.D. is one of 34 hematology (internal medicine) physician records with a practice address in Washington. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 82% of them.

  • NPI issued2013 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2013 · median 1997 among the 21 with a school on file
  • Record last updated2024 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology (Internal Medicine) Physician providers in Washington

There are 34 hematology (internal medicine) physician records in Washington.

The 8 hematology (internal medicine) physician records with the nearest ZIP codes

  1. Robert Raish, M.D.Bellingham, WA 982251689757775
  2. Pamela Becker, MD, PHDSeattle, WA 981091861578668
  3. Laura Connelly-Smith, MBBCH, DMSeattle, WA 981091346525979
  4. Jordan Gauthier, M.D.Seattle, WA 981091174920953
  5. Terry Gernsheimer, MDSeattle, WA 981091639255441
  6. Geoffrey Hill, MBCHB, MDSeattle, WA 981091891284121
  7. Sioban Keel, MDSeattle, WA 981091952401143
  8. Elizabeth Krakow, M.D.,C.M.Seattle, WA 981091447581517

Common questions

What is Chanudi Weerasinghe, M.D.'s NPI number?

Chanudi Weerasinghe, M.D.'s National Provider Identifier (NPI) is 1124469093, issued on Jul 8, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Chanudi Weerasinghe, M.D. located?

The NPPES record lists a practice address at Peacehealth, Bellingham, WA, 98225. Phone: (360) 788-8222. Providers update this record themselves, so call before visiting.

How can I verify Chanudi Weerasinghe, M.D.'s license?

NPPES lists Washington license number MD60891432, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chanudi Weerasinghe, M.D. prescribe under Medicare Part D?

In 2024, Chanudi Weerasinghe, M.D. had 3,170 Medicare Part D claims for 469 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. 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.