Active NPI 1326415563 Individual Practitioner Male Practitioner

William Wai-Ynn Loong , PA-C

Physician Assistant • Cartersville, GA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

William Loong, PA-C is a certified Physician Assistant practicing in Cartersville, GA. With approximately 11 years of clinical experience since completing medical education in 2015, William Loong delivers high-quality medical care to the local community at 150 GENTILLY BLVD.

William Loong maintains professional affiliations with Northside Cardiovascular Professional Services, Llc, Harbin Clinic Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, routine ekg using at least 12 leads including interpretation and report, smoking and tobacco use intermediate counseling, greater than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

150 Gentilly Blvd

Cartersville, GA 301208522

Telephone 7706068359

Fax 7703825762

Associated Practice Facility / Clinic

🏢 Harbin Clinic, Llc Facility NPI 1609084250

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Cartersville, GA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs -0.1 yrs vs City Avg

City Avg: 11.1 Yrs

State Avg: 12.9 Yrs

Regional Practice Density

31 Specialists

Practicing in Cartersville, GA (4726 Statewide)

Telehealth Adoption Rate

12.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Loong (11 Years) 11 Yrs

Cartersville Specialty Average (11.1 Years) 11.1 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	289	209	$160.00	$101.93
93000 Routine ekg using at least 12 leads including interpretation and report	146	112	$75.00	$11.26
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	12	11	$25.00	$11.62

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	532	346	$157.52	$103.24
93000 Routine ekg using at least 12 leads including interpretation and report	268	190	$72.65	$11.58
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	28	$212.58	$144.94
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	17	17	$25.00	$12.01

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	496	313	$155.00	$103.78
93000 Routine ekg using at least 12 leads including interpretation and report	266	170	$70.00	$11.46
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	25	21	$25.00	$12.44
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	21	$210.00	$146.13
36415 Insertion of needle into vein for collection of blood sample	16	14	$15.00	$3.00

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	568	331	$154.06	$105.68
93000 Routine ekg using at least 12 leads including interpretation and report	346	219	$70.00	$11.89
36415 Insertion of needle into vein for collection of blood sample	102	83	$15.00	$3.00
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	66	45	$25.00	$12.72
80048 Blood test, basic group of blood chemicals (calcium, total)	47	37	$50.00	$8.46
80061 Blood test, lipids (cholesterol and triglycerides)	43	37	$70.00	$13.39
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	28	$207.10	$148.11
80076 Liver function blood test panel	22	19	$50.00	$8.17
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$105.00	$74.64
80053 Blood test, comprehensive group of blood chemicals	16	16	$60.00	$10.56

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	442	280	$150.00	$89.44
93000 Routine ekg using at least 12 leads including interpretation and report	298	202	$70.00	$13.81
36415 Insertion of needle into vein for collection of blood sample	73	61	$15.00	$2.99
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	46	36	$25.00	$12.69
80048 Blood test, basic group of blood chemicals (calcium, total)	33	27	$50.00	$8.43
80061 Blood test, lipids (cholesterol and triglycerides)	30	26	$70.00	$13.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	24	$205.00	$120.61
80053 Blood test, comprehensive group of blood chemicals	16	14	$60.00	$10.53
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	15	15	$40.00	$7.75
80076 Liver function blood test panel	14	11	$50.00	$8.14

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	616	443	$150.00	$89.35
93000 Routine ekg using at least 12 leads including interpretation and report	429	321	$70.00	$13.83
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	84	63	$25.00	$12.40
36415 Insertion of needle into vein for collection of blood sample	78	64	$15.00	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	36	35	$205.00	$120.09
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	33	31	$40.00	$8.46
99213 Established patient office or other outpatient visit, typically 15 minutes	31	30	$105.00	$60.87
80048 Blood test, basic group of blood chemicals (calcium, total)	30	25	$50.00	$9.21
80061 Blood test, lipids (cholesterol and triglycerides)	25	24	$70.00	$14.58
80053 Blood test, comprehensive group of blood chemicals	23	22	$60.00	$11.51
84443 Blood test, thyroid stimulating hormone (TSH)	18	18	$70.00	$18.30

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	628	414	$150.01	$87.43
93000 Routine ekg using at least 12 leads including interpretation and report	331	267	$70.00	$13.60
36415 Insertion of needle into vein for collection of blood sample	89	73	$15.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	60	58	$105.00	$59.19
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	40	37	$25.00	$11.89
80048 Blood test, basic group of blood chemicals (calcium, total)	40	29	$50.00	$10.23
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	32	32	$40.00	$9.40
80053 Blood test, comprehensive group of blood chemicals	31	31	$60.00	$12.78
80061 Blood test, lipids (cholesterol and triglycerides)	27	26	$70.00	$16.20
84443 Blood test, thyroid stimulating hormone (TSH)	24	22	$70.00	$20.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	20	$205.00	$118.24

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	584	464	$150.00	$86.48
36415 Insertion of needle into vein for collection of blood sample	124	102	$15.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	95	93	$105.00	$58.83
80048 Blood test, basic group of blood chemicals (calcium, total)	58	47	$50.00	$11.17
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	57	51	$40.00	$10.45
80053 Blood test, comprehensive group of blood chemicals	45	43	$60.00	$12.54
80061 Blood test, lipids (cholesterol and triglycerides)	39	36	$70.00	$13.84
84443 Blood test, thyroid stimulating hormone (TSH)	23	22	$70.00	$22.59
83880 Natriuretic peptide (heart and blood vessel protein) level	17	14	$90.00	$45.63

Medical Specialties & State Licenses

CMS Verified: 2025-05-12

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License GA 8082

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.

Hospital & Practice Group Affiliations

Northside Cardiovascular Professional Services, Llc

1285 Upper Hembree Rd, Roswell, GA 300761143

Phone: 7703438565

Harbin Clinic Llc

150 Gentilly Blvd, Cartersville, GA 301208522

Phone: 4704907470

Northside Cardiovascular Professional Services, Llc

450 Northside Cherokee Blvd, Canton, GA 301158015

Phone: 7702241000

Harbin Clinic Llc

1825 Martha Berry Blvd Nw, Rome, GA 301651625

Phone: 7622352495

Practice Associates & Co-Workers

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

15 Associated Practitioners

Dr. Godly Jack , MD

Internal Medicine - Interventional Cardiology

NPI 1114452588

Doctor of Medicine (M.D.)

Lisa Spaulding , FNP-BC

Nurse Practitioner

NPI 1255654158

Family Nurse Practitioner (Board Certified)

Megan Cherry , FNP-C

Nurse Practitioner

NPI 1285487264

Family Nurse Practitioner (Certified)

Caitlin Balawender , AGACNP-BC

Nurse Practitioner

NPI 1356887426

Adult-Gerontology Acute Care Nurse Practitioner (Board Certified)

Dr. Ryan Chizner , DO

Internal Medicine - Cardiovascular Disease

NPI 1548529662

Doctor of Osteopathic Medicine (D.O.)

Wendy Pone , NP-C

Nurse Practitioner

NPI 1548810310

Nurse Practitioner (Certified)

Career & Practice History Timeline

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

7 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 12, 2025

Physician Assistant (License #8082 in GA)

✅

NPI Profile Active September 09, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location September 09, 2016

Registered at 150 GENTILLY BLVD, CARTERSVILLE, GA 301208522 (Tel: 7706068359)

📍

Updated Business Mailing Address September 09, 2016

Registered at 221 TECHNOLOGY PKWY NW, ROME, GA 301651369 (Tel: 7062955331)

👤

Provider Name / Credentials Updated September 09, 2016

Recorded as WILLIAM LOONG, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 09, 2016

Physician Assistant (License #008082 in GA)

🟢

Initial NPI Registration & Enumeration August 24, 2015

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: 1326415563

Entity Type:

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

Enumeration Date: August 24, 2015

Last Update: May 12, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

221 Technology Pkwy Nw

Rome, GA 301651369

Phone: 7062955331

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.