Paul Edward Dejac, MD
Internal Medicine Physician · Buffalo, NY
Paul Edward Dejac, MD is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1457796997, issued on May 9, 2013. Check the license (New York 285386, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Paul Edward Dejac
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 285386 NY
Self-reported in NPPES; status is on the state search - Practice location
- 656 Elmwood Ave, Buffalo, NY 14222
- Phone
- (716) 883-0515
- Enumerated
- May 9, 2013
- Record last updated
- Mar 19, 2026
- Fax
- (716) 883-8764
- Medicare enrollment
- Enrolled (PECOS I20160928001653); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 656 Elmwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul Edward Dejac 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 285386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average internal medicine physician in 2024
554 Medicare Part D claims for 130 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 93 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen61 claims
- Ibuprofen43 claims
- Gabapentin39 claims
- Cyclobenzaprine Hcl23 claims
- Amitriptyline Hcl18 claims
- Amlodipine Besylate17 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: $1,328.41
60 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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
- Paul Dejac Physician PCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Paul Edward Dejac among 12,067 internal medicine physician records in New York
Paul Edward Dejac, MD 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2002 among the 7,221 with a school on file
- Record last updated2026 · 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).
293 internal medicine physician records list a practice address in Buffalo
They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Buffalo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Margaret McAloon, MDBuffalo, NY 142221932200540
- Theresa Stephan Hains, MDBuffalo, NY 142221124148564
- John Yowpa, MDBuffalo, NY 142221508025768
- Mohammed Ahmed, MDWilliamsville, NY 142211639818321
- Irshad Ali, M.D.Kenmore, NY 142231639256548
- Meghan Bohince, MDAmherst, NY 142211568969095
Common questions
What is Paul Edward Dejac, MD's NPI number?
Paul Edward Dejac, MD's National Provider Identifier (NPI) is 1457796997, issued on May 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Paul Edward Dejac, MD located?
The NPPES record lists a practice address at 656 Elmwood Ave, Buffalo, NY, 14222. Phone: (716) 883-0515. Providers update this record themselves, so call before visiting.
How can I verify Paul Edward Dejac, MD's license?
NPPES lists New York license number 285386, 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 Paul Edward Dejac, MD prescribe under Medicare Part D?
In 2024, Paul Edward Dejac, MD had 554 Medicare Part D claims for 130 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.