Active NPI 1275594129 Individual Practitioner Male Practitioner

Gregory Armstrong , PA-C

Physician Assistant • Willoughby, OH

Professional Overview & Biography Verified Profile Summary

Gregory Armstrong, PA-C is a registered healthcare professional specializing in Physician Assistant in Willoughby, OH. Practice services are available at 36000 EUCLID AVE under active NPI credentials.

Frequently performed procedures and clinical services include emergency department visit with moderate level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, emergency department visit for life threatening or functioning severity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

36000 Euclid Ave

Willoughby, OH 44094

Telephone 4409536203

Fax 4409536202

Associated Practice Facility / Clinic

🏢 Lake Emergency Services Inc Facility NPI 1518927995

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Willoughby, OH

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 11.2 Yrs

State Avg: 9.7 Yrs

Regional Practice Density

31 Specialists

Practicing in Willoughby, OH (5376 Statewide)

Telehealth Adoption Rate

12.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

91.2% 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 (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	35	35	$1118.21	$98.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	32	32	$1085.64	$100.73
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	16	15	$78.48	$6.68
99285 Emergency department visit for life threatening or functioning severity	12	12	$1602.30	$146.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	34	34	$76.57	$6.85
99285 Emergency department visit for life threatening or functioning severity	28	28	$1491.16	$150.53
99284 Emergency department visit with moderate level of medical decision making	23	23	$1042.77	$103.06
99283 Emergency department visit with low level of medical decision making	19	19	$564.78	$60.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	19	19	$996.00	$104.65
99285 Emergency department visit for life threatening or functioning severity	18	18	$1467.00	$152.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99283 Emergency department visit with low level of medical decision making	16	16	$525.00	$55.60
99284 Emergency department visit with moderate level of medical decision making	15	15	$996.00	$102.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	26	26	$837.50	$99.02
99283 Emergency department visit with low level of medical decision making	14	14	$506.57	$52.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99284 Emergency department visit with moderate level of medical decision making	30	30	$679.00	$98.83
99283 Emergency department visit with low level of medical decision making	21	21	$442.38	$52.18
99285 Emergency department visit for life threatening or functioning severity	13	13	$994.00	$145.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99283 Emergency department visit with low level of medical decision making	67	67	$439.00	$51.97
99284 Emergency department visit with moderate level of medical decision making	32	32	$679.00	$98.39

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License OH 50000324

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

11 Associated Practitioners

George Livingston , PA

Physician Assistant

NPI 1033170923

Physician Assistant

Dr. Efren Glorioso , MD

Emergency Medicine

NPI 1164482535

Doctor of Medicine (M.D.)

Schickri Aina , PA

Physician Assistant

NPI 1215998109

Physician Assistant

Dr. Edmundo Mandac , MD

Emergency Medicine

NPI 1215998463

Doctor of Medicine (M.D.)

Dr. Marc Allen , MD

Emergency Medicine

NPI 1407817380

Doctor of Medicine (M.D.)

Dr. Vijay Adusumilli , MD

Emergency Medicine

NPI 1487615647

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 July 05, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location July 05, 2011

Registered at 36000 EUCLID AVE, WILLOUGHBY, OH 44094 (Tel: 4409536203)

📍

Updated Business Mailing Address July 05, 2011

Registered at 24701 EUCLID AVE, 3RD FLOOR, EUCLID, OH 441171714

👤

Provider Name / Credentials Updated July 05, 2011

Recorded as GREGORY ARMSTRONG, PAC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 05, 2011

Physician Assistant (License #50000324 in OH)

🟢

Initial NPI Registration & Enumeration March 30, 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: 1275594129

Entity Type:

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

Enumeration Date: March 30, 2006

Last Update: July 05, 2011

Sole Proprietor: No

Update or Correct Profile

Mailing Address

24701 Euclid Ave, 3rd Floor

Euclid, OH 441171714

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.