Active NPI 1346334406 Individual Practitioner Male Practitioner

Gregory P Kooyman , PA

Physician Assistant • Dayton, OH

Professional Overview & Biography Verified Profile Summary

Gregory Kooyman, PA is a registered healthcare professional specializing in Physician Assistant in Dayton, OH. Practice services are available at 1 WYOMING ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, removal of skin and tissue, 20.0 sq cm or less, removal of tissue from wound, 20.0 sq cm or less. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Wyoming St

Dayton, OH 454092722

Telephone 5132814400

Fax 5135878213

Associated Practice Facility / Clinic

🏢 Compunet Clinical Laboratories Llc Facility NPI 1578568119

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Dayton, OH

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 8.7 Yrs

State Avg: 9.7 Yrs

Regional Practice Density

250 Specialists

Practicing in Dayton, OH (5376 Statewide)

Telehealth Adoption Rate

5.2% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	31	16	$210.00	$56.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11042 Removal of skin and tissue, 20.0 sq cm or less	254	50	$177.00	$51.45
99213 Established patient office or other outpatient visit, typically 15 minutes	202	69	$210.00	$43.29
97597 Removal of tissue from wound, 20.0 sq cm or less	75	29	$210.00	$31.44
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	32	32	$410.00	$143.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	18	$312.00	$66.62
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	13	$125.00	$21.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11042 Removal of skin and tissue, 20.0 sq cm or less	235	79	$177.00	$50.98
99213 Established patient office or other outpatient visit, typically 15 minutes	175	83	$210.56	$42.43
97597 Removal of tissue from wound, 20.0 sq cm or less	163	57	$210.00	$20.12
11045 Removal of skin and tissue, each additional 20.0 sq cm or less	64	18	$99.42	$22.47
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	52	51	$410.00	$140.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	20	$312.00	$65.38
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	22	14	$486.00	$124.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$125.00	$21.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11042 Removal of skin and tissue, 20.0 sq cm or less	459	97	$177.00	$51.61
99183 Management and supervision of oxygen chamber therapy per session	198	14	$308.00	$92.22
99213 Established patient office or other outpatient visit, typically 15 minutes	117	68	$210.00	$42.66
11045 Removal of skin and tissue, each additional 20.0 sq cm or less	89	16	$101.00	$22.22
97597 Removal of tissue from wound, 20.0 sq cm or less	67	44	$210.00	$20.10
15275 Application of skin substitute graft to wound of face, scalp, eyelids, mouth, neck, ears, around eyes, genitals, hands, feet, fingers, or toes, 25.0 sq cm or less of wound 100.0 sq cm or less	42	11	$453.00	$80.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	20	$312.00	$65.34
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	27	27	$410.00	$140.67
15271 Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less	25	12	$350.00	$71.40
11043 Removal of muscle and/or tissue, 20.0 sq cm or less	18	14	$486.00	$131.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$330.00	$107.71
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$419.09	$92.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
11042 Removal of skin and tissue, 20.0 sq cm or less	173	66	$177.00	$93.37
11042 Removal of skin and tissue, 20.0 sq cm or less	102	47	$177.00	$50.60
99213 Established patient office or other outpatient visit, typically 15 minutes	94	58	$206.44	$59.33
97597 Removal of tissue from wound, 20.0 sq cm or less	48	31	$210.00	$59.99
99213 Established patient office or other outpatient visit, typically 15 minutes	45	31	$210.00	$42.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	35	35	$410.00	$169.16
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	26	$120.54	$35.17
97597 Removal of tissue from wound, 20.0 sq cm or less	20	14	$210.00	$19.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$304.86	$87.43
29580 Strapping, unna boot	13	11	$130.00	$47.49

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License OH 50-000356

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. William Marriott , MD

Emergency Medicine

NPI 1003907494

Doctor of Medicine (M.D.)

Dr. Joseph Moellman , MD

Emergency Medicine

NPI 1013088418

Doctor of Medicine (M.D.)

Dr. Richmond Lemos , DO

Emergency Medicine

NPI 1023109402

Doctor of Osteopathic Medicine (D.O.)

Richard White , PA-C

Physician Assistant

NPI 1053489633

Physician Assistant (Certified)

Dr. Timothy Maclean , DO

Emergency Medicine

NPI 1093806473

Doctor of Osteopathic Medicine (D.O.)

Dr. Stephen Rymer , MD

Emergency Medicine

NPI 1114018520

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active May 21, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location May 21, 2013

Registered at 1 WYOMING ST, DAYTON, OH 454092722 (Tel: 5132814400)

📍

Updated Business Mailing Address May 21, 2013

Registered at 2950 ROBERTSON AVE, 2ND FLOOR, CINCINNATI, OH 452091268 (Tel: 5132814400)

👤

Provider Name / Credentials Updated May 21, 2013

Recorded as GREGORY KOOYMAN, P.A.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 21, 2013

Physician Assistant (License #50-000356 in OH)

🟢

Initial NPI Registration & Enumeration October 03, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1346334406

Entity Type:

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

Enumeration Date: October 03, 2006

Last Update: May 21, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2950 Robertson Ave, 2nd Floor

Cincinnati, OH 452091268

Phone: 5132814400

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.