Active NPI 1376819524 Individual Practitioner Male Practitioner

Dr. Gregory Hayward Bennett , DO

Allergy & Immunology • Hilliard, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Bennett, DO is a certified Allergy & Immunology practicing in Hilliard, OH. With approximately 14 years of clinical experience since completing medical education in 2012, Dr. Bennett delivers high-quality medical care to the local community at 3535 FISHINGER BLVD STE 280.

Dr. Bennett accepts Medicare assignment.

Frequently performed procedures and clinical services include test for allergy using allergenic extract, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3535 Fishinger Blvd Ste 280

Hilliard, OH 430267568

Telephone 6142732230

Fax 6147587609

Associated Practice Facility / Clinic

🏢 Modern Allergy, Llc Facility NPI 1356083802

Medicare Profile & Education

Medical School

Other

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Allergy & Immunology in Hilliard, OH

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs -23.0 yrs vs City Avg

City Avg: 37.0 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

2 Specialists

Practicing in Hilliard, OH (137 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

37.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Bennett (14 Years) 14 Yrs

Hilliard Specialty Average (37.0 Years) 37.0 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
95004 Test for allergy using allergenic extract	1,227	25	$8.00	$3.34
99213 Established patient office or other outpatient visit, typically 15 minutes	80	44	$110.00	$85.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	54	54	$280.00	$158.31

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	640	13	$8.00	$3.80
99213 Established patient office or other outpatient visit, typically 15 minutes	63	36	$110.00	$87.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$175.00	$108.78
96160 Administration and interpretation of patient-focused health risk assessment	26	11	$10.00	$2.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$280.00	$161.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95165 Professional service for preparation and provision of 1 or more antigens	740	35	$18.00	$14.57
95117 Professional service for multiple injections of allergen	327	76	$30.00	$10.53
99213 Established patient office or other outpatient visit, typically 15 minutes	241	218	$110.00	$86.54
95115 Injection of incremental dosages of allergen	85	17	$25.00	$8.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$281.36	$158.49
69210 Removal of impacted ear wax	58	58	$128.00	$42.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	31	$70.00	$53.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	25	$170.00	$123.20
31231 Diagnostic examination of nasal passages using an endoscope	22	18	$543.00	$180.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95165 Professional service for preparation and provision of 1 or more antigens	1,190	57	$18.00	$14.73
95004 Test for allergy using allergenic extract	813	15	$12.00	$3.56
99213 Established patient office or other outpatient visit, typically 15 minutes	534	377	$110.00	$87.61
95117 Professional service for multiple injections of allergen	534	90	$30.00	$10.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	142	142	$281.00	$159.18
69210 Removal of impacted ear wax	128	117	$128.00	$45.19
95115 Injection of incremental dosages of allergen	118	21	$25.00	$8.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	64	$170.00	$124.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	41	$70.00	$53.76
31231 Diagnostic examination of nasal passages using an endoscope	24	23	$543.00	$186.50
92504 Exam of ear using a microscope	24	23	$77.00	$27.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	2,327	50	$12.00	$3.62
95165 Professional service for preparation and provision of 1 or more antigens	1,775	97	$18.00	$13.66
95024 Injection of allergenic extracts into skin for immediate reaction analysis	763	31	$15.00	$7.20
95117 Professional service for multiple injections of allergen	545	93	$30.00	$9.80
99213 Established patient office or other outpatient visit, typically 15 minutes	448	336	$110.00	$71.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	141	141	$281.20	$154.31
95115 Injection of incremental dosages of allergen	98	16	$25.00	$8.47
69210 Removal of impacted ear wax	92	85	$128.00	$45.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	28	$170.00	$104.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$70.00	$43.32
31231 Diagnostic examination of nasal passages using an endoscope	18	18	$543.00	$183.39
92504 Exam of ear using a microscope	18	17	$77.00	$27.58
31575 Diagnostic exam of voice box using a flexible endoscope	12	12	$415.00	$116.97

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	3,718	76	$12.00	$3.79
95165 Professional service for preparation and provision of 1 or more antigens	1,570	103	$18.00	$13.01
95117 Professional service for multiple injections of allergen	1,185	129	$30.00	$9.59
95024 Injection of allergenic extracts into skin for immediate reaction analysis	840	44	$15.00	$7.34
99213 Established patient office or other outpatient visit, typically 15 minutes	500	307	$110.00	$69.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	204	204	$278.14	$154.12
95115 Injection of incremental dosages of allergen	187	21	$25.00	$8.30
69210 Removal of impacted ear wax	45	45	$128.00	$42.91
95012 Test to measure the level of nitric oxide gas	28	20	$48.00	$18.31
94060 Test to measure expiratory airflow and volume changes before and after medication administration	23	17	$175.00	$54.95
92504 Exam of ear using a microscope	21	18	$77.00	$27.32
31231 Diagnostic examination of nasal passages using an endoscope	16	15	$543.00	$185.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$70.00	$42.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$175.00	$101.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$170.00	$102.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	5,019	91	$12.00	$5.00
95165 Professional service for preparation and provision of 1 or more antigens	3,020	149	$18.00	$12.54
95117 Professional service for multiple injections of allergen	1,296	125	$30.00	$9.58
95024 Injection of allergenic extracts into skin for immediate reaction analysis	893	54	$15.00	$7.72
99213 Established patient office or other outpatient visit, typically 15 minutes	348	196	$110.00	$71.58
95115 Injection of incremental dosages of allergen	189	21	$25.00	$8.34
95018 Allergy testing with drugs or biologicals into or within the skin, immediate type reaction, including test interpretation and report	112	14	$59.00	$20.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	79	79	$235.00	$162.98
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	71	71	$175.70	$103.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	48	$170.00	$104.60
95012 Test to measure the level of nitric oxide gas	38	27	$48.00	$19.24
94060 Test to measure expiratory airflow and volume changes before and after medication administration	33	23	$175.00	$59.12
69210 Removal of impacted ear wax	21	21	$128.00	$45.72
95076 Ingestion of test items for allergies, 120 minutes	14	14	$200.00	$119.42
31231 Diagnostic examination of nasal passages using an endoscope	14	14	$475.00	$203.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$70.00	$43.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
95004 Test for allergy using allergenic extract	1,568	27	$12.00	$6.05
95165 Professional service for preparation and provision of 1 or more antigens	480	30	$18.00	$12.00
95024 Injection of allergenic extracts into skin for immediate reaction analysis	304	19	$15.00	$7.02
95117 Professional service for multiple injections of allergen	100	46	$30.00	$9.24
99213 Established patient office or other outpatient visit, typically 15 minutes	41	32	$110.00	$67.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$235.00	$154.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$175.00	$98.00

Medical Specialties & State Licenses

CMS Verified: 2026-06-30

Allergy & Immunology Primary Specialty

NUCC Taxonomy Code: 207K00000X

State License OH 34.014935

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Practice Associates & Co-Workers

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

6 Associated Practitioners

Judy Lazor , MA, CCC-A, FAAA

Audiologist

NPI 1275752917

Master of Arts, CCCA, FAAA

Stephanie Dispigno

Audiologist

NPI 1295387082

Danielle Carrasco

Audiologist

NPI 1316638976

Dr. John Eickholt , MD

Specialist

NPI 1356400378

Doctor of Medicine (M.D.)

Paula Dendiu-Beale , MA

Audiologist

NPI 1851562441

Master of Arts

Sydney Ruffini

Audiologist

NPI 1922745033

Career & Practice History Timeline

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

16 Historical Events

📍

Updated Practice Location June 30, 2026

Registered at 3535 FISHINGER BLVD STE 280, HILLIARD, OH 430267568 (Tel: 6142732230)

📍

Updated Business Mailing Address June 30, 2026

Registered at 1810 MACKENZIE DR, COLUMBUS, OH 432202967 (Tel: 6142732250)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 30, 2026

Allergy & Immunology (License #34.014935 in OH)

📍

Updated Practice Location March 30, 2022

Registered at 3535 FISHINGER BLVD., STE. 280, HILLIARD, OH 430267801 (Tel: 6147587600)

📍

Updated Business Mailing Address March 30, 2022

Registered at 3535 FISHINGER BLVD., STE. 280, HILLIARD, OH 430267801 (Tel: 6147587600)

✅

NPI Profile Active January 26, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 26, 2018

Registered at 2295 HENRY TECKLENBURG DR, CHARLESTON, SC 294147801 (Tel: 8437667103)

📍

Updated Business Mailing Address January 26, 2018

Registered at 2295 HENRY TECKLENBURG DR, CHARLESTON, SC 294147801 (Tel: 8437667103)

👤

Provider Name / Credentials Updated January 26, 2018

Recorded as GREGORY BENNETT, DO

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 26, 2018

Allergy & Immunology (License #40614 in SC)

✅

NPI Profile Active August 19, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location August 19, 2015

Registered at 500 UNIVERSITY DR, DEPARTMENT OF PEDIATRICS, MAIL CODE H085, HERSHEY, PA 170332360 (Tel: 7175318603)

📍

Updated Business Mailing Address August 19, 2015

Registered at 24 FRANK LLOYD WRIGHT DRIVE, PO BOX 442, SUITE H-2100, ANN ARBOR, MI 48106 (Tel: 7349365634)

👤

Provider Name / Credentials Updated August 19, 2015

Recorded as GREGORY BENNETT

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 19, 2015

Allergy & Immunology (License #5101021495 in MI)

🟢

Initial NPI Registration & Enumeration March 31, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1376819524

Entity Type:

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

Enumeration Date: March 31, 2012

Last Update: June 30, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1810 Mackenzie Dr

Columbus, OH 432202967

Phone: 6142732250

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.