Active NPI 1477657120 Individual Practitioner Male Practitioner

Gregory Chang , PA

Physician Assistant • Berkeley Heights, NJ

Professional Overview & Biography Verified Profile Summary

Gregory Chang, PA is a registered healthcare professional specializing in Physician Assistant in Berkeley Heights, NJ. Practice services are available at 1 DIAMOND HILL RD under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen, 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

1 Diamond Hill Rd

Berkeley Heights, NJ 079222104

Telephone 9082778880

Fax 9082778796

Associated Practice Facility / Clinic

🏢 Summit Medical Group Pa Facility NPI 1942254347

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Berkeley Heights, NJ

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 14.8 Yrs

State Avg: 10.1 Yrs

Regional Practice Density

42 Specialists

Practicing in Berkeley Heights, NJ (3413 Statewide)

Telehealth Adoption Rate

19.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.4% 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 (2022)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	41	35	$200.00	$88.18
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	39	37	$103.00	$51.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$280.00	$109.13
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	33	28	$75.00	$44.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	204	204	$279.76	$107.75
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	189	175	$81.35	$45.23
0012A Adm sarscov2 100mcg/0.5ml2nd	147	147	$75.00	$32.03
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	134	125	$103.00	$51.31
99213 Established patient office or other outpatient visit, typically 15 minutes	94	79	$197.19	$87.75
0011A Adm sarscov2 100mcg/0.5ml1st	79	79	$50.63	$19.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$274.00	$124.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	117	117	$188.00	$71.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	109	$274.00	$102.99
87804 Detection test by immunoassay with direct visual observation for influenza virus	84	43	$50.00	$16.51
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	63	63	$98.41	$45.23
86328 Test for detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody, qualitative or semiquantitative	59	59	$99.15	$44.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$274.00	$103.14
87088 Bacterial urine culture	27	27	$34.00	$8.02
81002 Urinalysis, manual test	24	24	$11.00	$3.30
87070 Bacterial culture	23	22	$36.00	$8.22
87086 Bacterial colony count, urine	21	19	$33.00	$8.02
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	19	19	$45.00	$16.50
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	18	17	$13.00	$8.59
87077 Bacterial culture for aerobic isolates	18	17	$33.00	$8.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$412.00	$156.05
36415 Insertion of needle into vein for collection of blood sample	15	14	$15.00	$2.96
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$202.86	$73.32
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	13	13	$32.00	$7.67

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	235	230	$246.59	$101.17
99213 Established patient office or other outpatient visit, typically 15 minutes	72	71	$178.08	$69.82
87088 Bacterial urine culture	48	48	$34.00	$8.81
81002 Urinalysis, manual test	42	42	$11.00	$3.41
87086 Bacterial colony count, urine	34	34	$33.00	$8.79
36415 Insertion of needle into vein for collection of blood sample	32	30	$15.00	$2.94
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	29	28	$32.00	$8.46
87077 Bacterial culture for aerobic isolates	27	26	$33.00	$8.79
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	26	26	$15.65	$9.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$374.42	$153.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$259.00	$101.66
80053 Blood test, comprehensive group of blood chemicals	16	16	$40.00	$11.51
87651 Detection test for Strep (Streptococcus, group A)	16	16	$55.00	$38.21
87070 Bacterial culture	11	11	$36.00	$9.38
80048 Blood test, basic group of blood chemicals (calcium, total)	11	11	$35.00	$9.21
87502 Detection test by nucleic acid for multiple types influenza virus	11	11	$131.18	$93.88

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	245	244	$217.00	$99.52
87088 Bacterial urine culture	69	41	$34.00	$9.79
99213 Established patient office or other outpatient visit, typically 15 minutes	67	66	$146.00	$68.68
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$330.00	$153.73
81002 Urinalysis, manual test	47	47	$11.00	$3.41
87070 Bacterial culture	35	35	$36.00	$10.43
36415 Insertion of needle into vein for collection of blood sample	35	34	$15.00	$2.94
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	35	35	$45.00	$14.94
87086 Bacterial colony count, urine	28	27	$33.00	$9.76
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	28	28	$32.00	$9.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$219.00	$101.63
87077 Bacterial culture for aerobic isolates	21	21	$33.00	$9.77
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	19	19	$36.00	$10.46
80053 Blood test, comprehensive group of blood chemicals	18	18	$40.00	$12.78
84484 Troponin (protein) analysis, quantitative	16	16	$36.00	$12.22
90715 Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older)	11	11	$67.00	$30.42
80048 Blood test, basic group of blood chemicals (calcium, total)	11	11	$35.00	$10.23
90471 Administration of 1 vaccine	11	11	$50.00	$19.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	108	108	$35.00	$7.59
99285 Emergency department visit for life threatening or functioning severity	100	100	$1109.68	$152.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	69	69	$217.00	$99.60
99284 Emergency department visit with moderate level of medical decision making	49	49	$748.00	$103.81
99283 Emergency department visit with low level of medical decision making	40	39	$490.00	$54.72
99220 Hospital observation care, typically 70 minutes	32	32	$1177.00	$166.58
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	17	17	$45.00	$13.92
81002 Urinalysis, manual test	16	16	$11.00	$3.43
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$330.00	$152.97
87088 Bacterial urine culture	16	14	$34.00	$10.88
87086 Bacterial colony count, urine	13	12	$33.00	$10.85
87070 Bacterial culture	12	12	$36.00	$10.62

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License NJ 25MP00016100

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

31 Associated Practitioners

Dr. Eliezer Mordan , MD

Emergency Medicine

NPI 1003886516

Doctor of Medicine (M.D.)

Lauren Baron , PA

Physician Assistant - Medical

NPI 1023361201

Physician Assistant

Dr. Michael Passafaro , DO

Emergency Medicine

NPI 1033326640

Doctor of Osteopathic Medicine (D.O.)

Dr. John Koliopoulos , DO

Emergency Medicine

NPI 1053353516

Doctor of Osteopathic Medicine (D.O.)

Dr. Antonios Drivas , MD

Emergency Medicine

NPI 1083787485

Doctor of Medicine (M.D.)

Timothy Johnson

Emergency Medicine

NPI 1104129204

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active September 13, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location September 13, 2017

Registered at 1 DIAMOND HILL RD, BERKELEY HEIGHTS, NJ 079222104 (Tel: 9082778880)

📍

Updated Business Mailing Address September 13, 2017

Registered at PO BOX 717, LIVINGSTON, NJ 070390717 (Tel: (973) 740-0607)

👤

Provider Name / Credentials Updated September 13, 2017

Recorded as GREGORY CHANG, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 13, 2017

Physician Assistant (License #25MP00016100 in NJ)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 110 REHILL AVE, SOMERSET MEDICAL CENTER, SOMERVILLE, NJ 088762519 (Tel: 9086852200)

📍

Updated Business Mailing Address July 08, 2007

Registered at PO BOX 717, LIVINGSTON, NJ 070390717 (Tel: 9737400607)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as GREGORY CHANG, PA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Physician Assistant (License #25MP00016100 in NJ)

🟢

Initial NPI Registration & Enumeration September 12, 2006

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 Gregory Chang. 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: 1477657120

Entity Type:

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

Enumeration Date: September 12, 2006

Last Update: July 21, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 717

Livingston, NJ 070390717

Phone: 9737400607

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.