Active NPI 1457796997 Individual Practitioner Male Practitioner

Dr. Paul Edward Dejac , MD

Internal Medicine • Buffalo, NY

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Paul Dejac, MD is a certified Internal Medicine practicing in Buffalo, NY. With approximately 13 years of clinical experience since graduating from State University Of New York At Buffalo School Of Medicine in 2013, Dr. Dejac delivers high-quality medical care to the local community at 656 ELMWOOD AVE.

Dr. Dejac is affiliated with Paul Dejac Physician Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

656 Elmwood Ave

Buffalo, NY 142221836

Telephone 7168830515

Fax 7168838764

Associated Practice Facility / Clinic

🏢 Michael D. Calabrese, Physician P. C. Facility NPI 1164409991

Medicare Profile & Education

Medical School

State University Of New York At Buffalo School Of Medicine

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Buffalo, NY

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

13 Yrs -3.7 yrs vs City Avg

City Avg: 16.7 Yrs

State Avg: 29.4 Yrs

Regional Practice Density

312 Specialists

Practicing in Buffalo, NY (12979 Statewide)

Telehealth Adoption Rate

6.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

30.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Dejac (13 Years) 13 Yrs

Buffalo Specialty Average (16.7 Years) 16.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	14	$147.65	$122.12
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	15	14	$50.00	$15.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	78	42	$302.27	$99.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	68	36	$275.24	$68.81
99239 Hospital discharge day management, more than 30 minutes	28	28	$290.82	$101.70
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	11	$176.82	$37.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	74	50	$288.62	$100.78
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	60	35	$263.03	$70.12
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	11	$170.20	$37.49
99239 Hospital discharge day management, more than 30 minutes	19	19	$279.16	$103.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	49	37	$245.84	$71.06
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	40	29	$278.45	$102.66
99239 Hospital discharge day management, more than 30 minutes	25	24	$266.64	$105.22
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$493.00	$199.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	125	69	$232.56	$70.55
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	60	48	$283.67	$101.28
99239 Hospital discharge day management, more than 30 minutes	40	40	$250.60	$104.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	142	75	$219.68	$68.59
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	62	53	$276.13	$99.01
99239 Hospital discharge day management, more than 30 minutes	33	33	$253.18	$102.23
99213 Established patient office or other outpatient visit, typically 15 minutes	16	13	$154.69	$47.86
99238 Hospital discharge day management, 30 minutes or less	15	15	$208.00	$68.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	161	88	$222.15	$70.00
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	69	47	$281.10	$101.10
99238 Hospital discharge day management, 30 minutes or less	36	35	$200.19	$70.22
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	16	$134.12	$38.02

Medical Specialties & State Licenses

CMS Verified: 2026-03-19

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License NY 285386

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.

Hospital & Practice Group Affiliations

Paul Dejac Physician Pc

656 Elmwood Ave, Buffalo, NY 142221836

Phone: 7168830515229

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

24 Associated Practitioners

Meggan Shea , FNP

Nurse Practitioner - Family

NPI 1013268564

Family Nurse Practitioner

Gregg Strobino , PT, MS

Physical Therapist

NPI 1053549311

Physical Therapist, Master of Science

Dr. Nathan Brant , DPT

Physical Medicine & Rehabilitation

NPI 1073826848

Doctor of Physical Therapy

Dr. Casey Calabrese , DPT

Physical Medicine & Rehabilitation - Pain Medicine

NPI 1093295537

Doctor of Physical Therapy

Andrew Bartz

Physical Therapist

NPI 1144834433

Amanda Rinaldi , RPA

Physician Assistant

NPI 1164833992

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Business Mailing Address March 19, 2026

Registered at 656 ELMWOOD AVE, BUFFALO, NY 142221836 (Tel: 7168452300)

📍

Updated Practice Location September 20, 2022

Registered at 656 ELMWOOD AVE, BUFFALO, NY 142221836 (Tel: 7168830515)

📍

Updated Practice Location July 09, 2019

Registered at ELM AND CARLTON STREETS, BUFFALO, NY 142630001 (Tel: 7168452300)

✅

NPI Profile Active July 29, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 29, 2016

Registered at ELM AND CARLTON ST, BUFFALO, NY 142630001 (Tel: 7168452300)

📍

Updated Business Mailing Address July 29, 2016

Registered at ELM AND CARLTON ST, BUFFALO, NY 142630001 (Tel: 7168452300)

👤

Provider Name / Credentials Updated July 29, 2016

Recorded as PAUL DEJAC, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 29, 2016

Internal Medicine (License #285386 in NY)

🟢

Initial NPI Registration & Enumeration May 09, 2013

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Paul Dejac. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1457796997

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 09, 2013

Last Update: March 19, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

656 Elmwood Ave

Buffalo, NY 142221836

Phone: 7168452300

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.