Deborah Blenner, M.D.
Internal Medicine Physician · Smithtown, NY
Deborah Blenner, M.D. is an internal medicine physician with a practice address in Smithtown, New York, and NPI 1366497927, issued on May 23, 2006. Check the license (New York 238239, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Deborah Blenner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 238239 NY
11852 NV
Self-reported in NPPES; status is on the state search - Practice location
- 323 Middle Country RD, Smithtown, NY 11787
- Phone
- (631) 656-8171
- Enumerated
- May 23, 2006
- Record last updated
- Apr 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (631) 656-8173
- Medicare enrollment
- Enrolled (PECOS I20080715000509); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 323 Middle Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Deborah Blenner 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 238239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,566 Medicare Part D claims for 282 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium209 claims
- Levothyroxine Sodium154 claims
- Rosuvastatin Calcium145 claims
- Losartan Potassium141 claims
- Amlodipine Besylate135 claims
- Metoprolol Succinate73 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: $2,105.09
57 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Chs Physician Partners PCSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Deborah Blenner among 12,067 internal medicine physician records in New York
Deborah Blenner, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2002 among the 7,221 with a school on file
- Record last updated2015 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Smithtown
They are 36 of the 1,907 NPPES records with a practice address in Smithtown, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Smithtown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michele Becker-Hamou, MDSmithtown, NY 117871700843067
- Dara Brener, MDSmithtown, NY 117871750362695
- Paul Caiati, MDSmithtown, NY 117871063407898
- Joseph Calandrino, M.D.Smithtown, NY 117871962400796
- Neena Chaudhari, M.D.Smithtown, NY 117871811932890
- Vasilios Kalonaros, M.D.Smithtown, NY 117871376501296
- Michael Kaplan, DOSmithtown, NY 117871841298593
- Mickel Khlat, DOSmithtown, NY 117871548288954
Common questions
What is Deborah Blenner, M.D.'s NPI number?
Deborah Blenner, M.D.'s National Provider Identifier (NPI) is 1366497927, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deborah Blenner, M.D. located?
The NPPES record lists a practice address at 323 Middle Country RD, Smithtown, NY, 11787. Phone: (631) 656-8171. Providers update this record themselves, so call before visiting.
How can I verify Deborah Blenner, M.D.'s license?
NPPES lists New York license number 238239, 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 Deborah Blenner, M.D. prescribe under Medicare Part D?
In 2024, Deborah Blenner, M.D. had 2,566 Medicare Part D claims for 282 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.