Dr. Wimal Samarasinghe Dissanayake, MD

  • Rochester, NY
  • Hospitalist
NPI1902069503PAC ID2668640061
Medicare services, 2024
370
Medicare patients, 2024
149
Part D claims, 2024
181
MIPS score, 2024
97
Hospital affiliations
3
Practice address
1425 Portland Avenue, Rochester, NY 14621
Practice phone
Call (585) 922-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rochester General Hospital

Hospital · Rochester, New York

See all 7 affiliations

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Dr. Wimal Samarasinghe Dissanayake is a hospitalist in Rochester, New York

Dr. Dissanayake practices at Rochester General Hospital in Rochester, New York, part of Rochester Regional Health.

Dr. Dissanayake's NPI, 1902069503, was assigned on July 3, 2008. Dr. Dissanayake graduated from University of Colombo Faculty of Medicine in 2000. Dr. Dissanayake holds New York license 275493.

NPI and contact details
Medicare PAC ID
2668640061
NPI enumeration date
July 3, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(585) 922-4000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Wimal Samarasinghe Dissanayake practices at Rochester General Hospital in Rochester, New York

Dr. Dissanayake's primary practice is Rochester General Hospital, at 1425 Portland Avenue, Rochester, NY 14621 in Monroe County. The practice phone is (585) 922-4000.

Source: Dmand AI Affiliation Data

Dr. Wimal Samarasinghe Dissanayake is affiliated with 3 sites of care and 4 medical groups

Dr. Dissanayake's primary practice is Rochester General Hospital in Rochester, New York, part of Rochester Regional Health. Dr. Dissanayake is also affiliated with Clifton Springs Hospital and Clinic. The medical group on file is Rochester General Hospital. Dmand AI also links Dr. Dissanayake to 1 more hospital and 3 medical groups, each named with a free account.

See all 7 affiliations for Dr. Dissanayake

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Wimal Samarasinghe Dissanayake's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dissanayake practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rochester General HospitalAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wimal Samarasinghe Dissanayake is one of 1,796 hospitalists in New York

Hospitalist is Dr. Dissanayake's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Dissanayake is licensed in New York.

Specialties and state licenses

  • Hospitalist, New YorkPrimaryLicense 275493 · taxonomy 208M00000X

Hospitalists near Dr. Dissanayake

Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Wimal Samarasinghe Dissanayake billed Medicare for 370 services in 2024

CMS data shows 370 Medicare services from Dr. Dissanayake across 4 procedure codes in 2024, for 149 Medicare patients. Medicare paid $29,650 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024370
Medicare patients149
Paid by Medicare$29,650
Procedure codes4

Dr. Dissanayake's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3512024: 3705%

Dr. Dissanayake compared with the New York median for hospitalists, 2024

  • Dr. Dissanayake
  • New York median
Medicare services
370vs 388Close to median
Medicare patients
149vs 1639% below
Part D claims
42vs 5524% below

Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.

Dr. Dissanayake's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Dissanayake

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Wimal Samarasinghe Dissanayake treated 149 Medicare patients in 2024, average age 71

CMS counts 149 Medicare patients who saw Dr. Dissanayake in 2024. The largest group is under 65, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.90, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Dissanayake's median patient age at 76, with 50% women.

Medicare patients, 2024149
Average age71
Average risk score2.90
Also on Medicaid60%

Dr. Dissanayake's Medicare patients by age, 2024

Dr. Dissanayake's Medicare patients by sex, 2024

  • Women6644%
  • Men8356%

Chronic conditions among Dr. Dissanayake's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders54%
  4. Arthritis51%
  5. Anxiety50%
  6. Heart failure50%
  7. Chronic kidney disease49%
  8. Depression48%

Share of Medicare patients with each condition. A patient can have several.

Dr. Dissanayake's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Wimal Samarasinghe Dissanayake wrote 181 Medicare Part D claims in 2024

In 2024, Dr. Dissanayake wrote 181 Medicare Part D claims for 74 patients. 83% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $247 in total drug cost. In 2022, CMS named 43 claims across 3 drugs.

Part D claims, 2024181
Drugs named by CMS3
Total drug cost$247
Part D patients74

Dr. Dissanayake's Part D claims by kind of drug, 2024

  • Generic150 claims83%
  • Brand-name31 claims17%

Dr. Dissanayake's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Dissanayake's Part D claims, 2024

  • Antibiotics12%21 of 181 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 432024: 422%

Drugs named by CMS: 3 in 2024, 3 in 2022.

See all prescribing by Dr. Dissanayake

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Wimal Samarasinghe Dissanayake scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Dissanayake for performance year 2024, reported through an alternative payment model (APM). Dr. Dissanayake accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Dissanayake's MIPS scores, performance year 2024

  • 97of 100Final score
  • 74.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Wimal Samarasinghe Dissanayake received $27 in industry payments from 2018 to 2019

CMS Open Payments shows 2 general payments to Dr. Dissanayake from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $15.

General payments to Dr. Dissanayake by program year, 2018 to 2019

Companies that paid Dr. Dissanayake the most, 2018 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Dissanayake

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Wimal Samarasinghe Dissanayake graduated from University of Colombo Faculty of Medicine

Dr. Dissanayake graduated from University of Colombo Faculty of Medicine in 2000.

  1. Medical schoolUniversity of Colombo Faculty of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Wimal Samarasinghe Dissanayake's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Wimal Samarasinghe Dissanayake

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Wimal Samarasinghe Dissanayake's NPI number?

Dr. Wimal Samarasinghe Dissanayake's NPI number is 1902069503. It was assigned on July 3, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Wimal Samarasinghe Dissanayake?

Dr. Wimal Samarasinghe Dissanayake is a hospitalist in Rochester, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Wimal Samarasinghe Dissanayake practice?

Dr. Dissanayake practices at 1425 Portland Avenue, Rochester, NY 14621. Dr. Dissanayake's primary practice is Rochester General Hospital in Rochester, New York, part of Rochester Regional Health. Dmand AI also links Dr. Dissanayake to 1 hospital and 3 medical groups.

What is Dr. Wimal Samarasinghe Dissanayake's office phone number?

The practice phone on file for Dr. Dissanayake is (585) 922-4000.

What is Dr. Wimal Samarasinghe Dissanayake's medical license number?

Dr. Dissanayake holds New York license 275493.

Which hospitals is Dr. Wimal Samarasinghe Dissanayake affiliated with?

Dr. Dissanayake practices at Rochester General Hospital in Rochester, New York. Dr. Dissanayake is also affiliated with Clifton Springs Hospital and Clinic. Dmand AI links Dr. Dissanayake to 1 more hospital.

What medical group is Dr. Wimal Samarasinghe Dissanayake part of?

Dr. Dissanayake is linked to Rochester General Hospital. Dmand AI links Dr. Dissanayake to 3 more medical groups.

Does Dr. Wimal Samarasinghe Dissanayake accept Medicare?

Yes. CMS data shows Dr. Dissanayake billed Medicare for 370 services in 2024, and Dr. Dissanayake accepts Medicare assignment.

What is Dr. Wimal Samarasinghe Dissanayake's MIPS score?

Dr. Dissanayake's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Wimal Samarasinghe Dissanayake see?

CMS counts 149 Medicare patients who saw Dr. Dissanayake in 2024, with an average age of 71.

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What services does Dr. Wimal Samarasinghe Dissanayake bill to Medicare?

In 2024, Dr. Dissanayake's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

Where did Dr. Wimal Samarasinghe Dissanayake go to medical school?

Dr. Dissanayake graduated from University of Colombo Faculty of Medicine in 2000.

What drugs does Dr. Wimal Samarasinghe Dissanayake prescribe most?

In 2024 Medicare Part D data, Dr. Dissanayake's most prescribed drugs by claims were Atorvastatin Calcium, Isosorbide Mononitrate ER and Pantoprazole Sodium.

Has Dr. Wimal Samarasinghe Dissanayake received payments from drug or device companies?

CMS Open Payments shows $27 in general payments to Dr. Dissanayake from 2 companies from 2018 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Wimal Samarasinghe Dissanayake been practicing?

Dr. Dissanayake graduated from medical school in 2000, 26 years ago.

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