Roger Ishac, MD
Internal Medicine Physician · Plattsburgh, NY
Roger Ishac, MD is an internal medicine physician with a practice address in Plattsburgh, New York, and NPI 1902981871, issued on Oct 26, 2006. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Roger Ishac
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 75 Beekman St., Plattsburgh, NY 12901
- Phone
- (518) 563-2404
- Enumerated
- Oct 26, 2006
- Entity
- Type 1 · individual
Also registered at 75 Beekman St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Aunchman, MDEmergency Medicine Physician1245598119
- Vanessa Staples, RN BSNRegistered Nurse1144409301
Verify Roger Ishac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
498 Medicare Part D claims for 155 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Metoprolol Succinate53 claims
- Furosemide50 claims
- Atorvastatin Calcium42 claims
- Clopidogrel40 claims
- Amlodipine Besylate38 claims
- Losartan Potassium32 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: $77.97
3 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Champlain Valley Physicians Hospital Medical CenterPlattsburgh, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
35 internal medicine physician records list a Plattsburgh practice address
They are 35 of the 1,380 NPPES records with a Plattsburgh practice address, and 13,725 internal medicine physician records in New York.
All 35 in Plattsburgh → All 13,725 in New York → Every provider in Plattsburgh →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Justin Aaron, MDNew York, NY1619243912
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Theophine Abakporo, M.D.Brooklyn, NY1972564813
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Charles Abate, MDOssining, NY1720180003
- Vyachislav Abayev, M.D.Brooklyn, NY1437394574
Common questions
What is Roger Ishac, MD's NPI number?
Roger Ishac, MD's National Provider Identifier (NPI) is 1902981871, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger Ishac, MD located?
The NPPES record lists a practice address at 75 Beekman St., Plattsburgh, NY, 12901. Phone: (518) 563-2404. Providers update this record themselves, so call before visiting.
How can I verify Roger Ishac, MD's license?
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 Roger Ishac, MD prescribe under Medicare Part D?
In 2024, Roger Ishac, MD had 498 Medicare Part D claims for 155 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.