PAUL EDWARD DEJAC MD
NPI 1457796997
Internal Medicine in Buffalo, NY

Active since May 09, 2013PECOS EnrolledAccepts Medicare AssignmentCLIA 33D2275737 · Waiver
656 ELMWOOD AVE, BUFFALO, NY 14222(716) 883-0515(716) 883-8764 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 19, 2026, Sep 20, 2022, Jan 7, 2021 and 1 more (4 updates tracked since 2019).

About Paul Edward Dejac Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PAUL EDWARD DEJAC MD (NPI 1457796997) is an individual internal medicine provider in Buffalo, New York, licensed in New York (285386) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through January 26, 2027, and is a graduate of State University Of New York At Buffalo School Of Medicine (2013).

NPPES Registry Identity

NPI1457796997
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NamePAUL EDWARD DEJACCredential: MD
Location Address656 ELMWOOD AVEBuffalo, NY 14222-1836
Mailing Address656 Elmwood AveBuffalo, NY 14222-1836 · (716) 845-2300 · Fax (716) 845-4693
Fax(716) 883-8764
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2013
Enumeration DateMay 9, 2013
Last NPPES UpdateMarch 19, 20264 updates tracked since enumeration
NPPES CertifiedMarch 19, 2026
NPI 1457796997 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 285386
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
656 ELMWOOD AVE, Buffalo, NY 14222

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Paul Edward Dejac Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163719519
PECOS Enrollment IDI20160928001653
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D2275737

Paul Dejac, Physician, PC · Buffalo, NY
Active · expires Jan 26, 2027
CLIA Number33D2275737
Laboratory TypePhysician Office
Certificate Effective DateJanuary 27, 2025
Certificate Expiration DateJanuary 26, 2027
Laboratory DirectorPaul Dejac
Laboratory Phone(716) 883-0515
Laboratory LocationPaul Dejac, Physician, PC656 Elmwood Avenue, Buffalo, NY 14222
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
17 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14222 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$119.00 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
656 ELMWOOD AVE
BUFFALO, NY 14222
Physical Therapist
656 ELMWOOD AVE
BUFFALO, NY 14222
Physical Medicine & Rehabilitation
656 ELMWOOD AVE
BUFFALO, NY 14222
Physical Medicine & Rehabilitation (Pain Medicine)
656 ELMWOOD AVE
BUFFALO, NY 14222
Chiropractor
656 ELMWOOD AVE
BUFFALO, NY 14222
Physical Therapist
656 ELMWOOD AVE
BUFFALO, NY 14222
Family Medicine
656 ELMWOOD AVE
BUFFALO, NY 14222
Physician Assistant
656 ELMWOOD AVE
BUFFALO, NY 14222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Paul Dejac's NPI number?

The NPI number for Paul Dejac is 1457796997. It was assigned to this individual provider in the NPPES registry on May 9, 2013.

Where is Paul Dejac located?

Paul Dejac practices at 656 Elmwood Ave, Buffalo, NY 14222. The listed phone number is (716) 883-0515.

What is Paul Dejac's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Paul Dejac enrolled in Medicare?

Yes. Paul Dejac is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Does Paul Dejac hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D2275737) is associated with this NPI, valid through January 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Paul Dejac was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.