NPPES file of Aug 9, 2026

John W. Powell, MD

Radiation Oncology Physician · Ithaca, NY

John W. Powell, MD is a radiation oncology physician with a practice address in Ithaca, New York, and NPI 1851557615, issued on Jul 31, 2008. Check the license (New York 267909, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851557615
Name
John W. Powell
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
267909 NY
Self-reported in NPPES; status is on the state search
Practice location
101 Dates Dr, Ithaca, NY 14850
Phone
(607) 274-4060
Enumerated
Jul 31, 2008
Record last updated
Feb 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(607) 274-4062
Medicare enrollment
Enrolled (PECOS I20130315000190); accepts Medicare assignment
Medical or professional school
State University Of Ny Upstate Medical University, 2005
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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Also registered at 101 Dates Dr

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

  1. Mansour AbdulkyPharmacist1588398598
  2. Rakshya AdhikariStudent in an Organized Health Care Education/Training Program1699535856
  3. Ali Akram, MDInternal Medicine Physician1285123752
  4. Richard Allen, MDEmergency Medicine Physician1932207032
  5. Sheila Ariel, DPTPhysical Therapist1831668490
  6. Hannah Armstrong, FNPFamily Nurse Practitioner1417633843

Verify John W. Powell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 267909
    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 New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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45% fewer Medicare Part D claims than the average radiation oncology physician in 2024

74 Medicare Part D claims for 36 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. John Powell74
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl32 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.

The MIPS final score for 2023 (Medicare payment program): 95.2 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $196.73

2 payments; by number, the most common kind was food and beverage; the largest payer was Tempus AI, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Powell$196.73
  2. Specialty average$1,897.85

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

One hospital affiliation

  1. Cayuga Medical Center AT IthacaIthaca, NY · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

John W. Powell among 449 radiation oncology physician records in New York

John W. Powell, MD is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 42% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2005 · median 2005 among the 331 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in New York

There are 449 radiation oncology physician records in New York.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Francis Sullivan, M.D.Hornell, NY 148431972535599
  2. Hannah Yoon, M.D.Corning, NY 148301255560603
  3. Kelly Becht, MDElmira, NY 149051366020323
  4. Rose Byland, M.D.Elmira, NY 149051760459879
  5. Joseph Krueger, M.D.Elmira, NY 149051881662518
  6. Chi Tsang, M.D.Elmira, NY 149051467457531
  7. Joseph Wang, M.D.Elmira, NY 149051578564613
  8. Surjeet Pohar, MDJamestown, NY 147011114094430

Common questions

What is John W. Powell, MD's NPI number?

John W. Powell, MD's National Provider Identifier (NPI) is 1851557615, issued on Jul 31, 2008. An NPI identifies a provider in billing; it is not a license.

Where is John W. Powell, MD located?

The NPPES record lists a practice address at 101 Dates Dr, Ithaca, NY, 14850. Phone: (607) 274-4060. Providers update this record themselves, so call before visiting.

How can I verify John W. Powell, MD's license?

NPPES lists New York license number 267909, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John W. Powell, MD prescribe under Medicare Part D?

In 2024, John W. Powell, MD had 74 Medicare Part D claims for 36 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is John W. Powell, MD's MIPS final score?

The 2023 MIPS final score is 95.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.