Ruth Blash, MD
Internal Medicine Physician · Fishkill, NY
Ruth Blash, MD is an internal medicine physician with a practice address in Fishkill, New York, and NPI 1295849545, issued on Aug 17, 2006. Check the license (New York 200863, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ruth Blash
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 200863 NY
Self-reported in NPPES; status is on the state search - Practice location
- 600 Westage Business Ctr Dr, Fishkill, NY 12524
- Phone
- (845) 231-5600
- Enumerated
- Aug 17, 2006
- Entity
- Type 1 · individual
Also registered at 600 Westage Business Ctr Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl BarronAudiologist1710394036
- Alicia Beardsley, PAPhysician Assistant1134169725
- Rupinder Bhangoo, MDObstetrics & Gynecology Physician1003084302
- Arlene Birnbaum, PTPhysical Therapist1255604443
- Caroline Cadmus, PA-CPhysician Assistant1326270067
- Sumy Chang, MDSurgery Physician1770721987
Verify Ruth Blash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 200863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,076 Medicare Part D claims for 664 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 168 claims were for opioids.
Most prescribed
- Atorvastatin Calcium473 claims
- Levothyroxine Sodium268 claims
- Amlodipine Besylate253 claims
- Lisinopril231 claims
- Omeprazole219 claims
- Losartan Potassium206 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.
One hospital or facility affiliation
- Optum Medical Care PCFishkill, 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.
19 internal medicine physician records list a Fishkill practice address
They are 19 of the 522 NPPES records with a Fishkill practice address, and 13,725 internal medicine physician records in New York.
All 19 in Fishkill → All 13,725 in New York → Every provider in Fishkill →
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 Ruth Blash, MD's NPI number?
Ruth Blash, MD's National Provider Identifier (NPI) is 1295849545, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Blash, MD located?
The NPPES record lists a practice address at 600 Westage Business Ctr Dr, Fishkill, NY, 12524. Phone: (845) 231-5600. Providers update this record themselves, so call before visiting.
How can I verify Ruth Blash, MD's license?
NPPES lists New York license number 200863, 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 Ruth Blash, MD prescribe under Medicare Part D?
In 2024, Ruth Blash, MD had 7,076 Medicare Part D claims for 664 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.