Active NPI 1598744344 Individual Practitioner Male Practitioner

Dr. Perry L. Leong , MD

Internal Medicine • Middlesex, NJ

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Perry Leong, MD is a certified Internal Medicine practicing in Middlesex, NJ. With approximately 34 years of clinical experience since graduating from Medical College Of Pennsylvania in 1992, Dr. Leong delivers high-quality medical care to the local community at 619 UNION AVE.

Dr. Leong is affiliated with Practice Associates Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

619 Union Ave
Building 1, First Floor

Middlesex, NJ 088461963

Telephone 7323563212

Fax 7323565002

Associated Practice Facility / Clinic

🏢 Middlesex Medical Care Pc Facility NPI 1912986761

Medicare Profile & Education

Medical School

Medical College Of Pennsylvania

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Middlesex, NJ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

34 Yrs -6.0 yrs vs City Avg

City Avg: 40.0 Yrs

State Avg: 30.1 Yrs

Regional Practice Density

2 Specialists

Practicing in Middlesex, NJ (4957 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

64.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Leong (34 Years) 34 Yrs

Middlesex Specialty Average (40.0 Years) 40.0 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
99213 Established patient office or other outpatient visit, typically 15 minutes	230	142	$247.00	$98.15
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	223	48	$343.00	$125.66
36415 Insertion of needle into vein for collection of blood sample	188	138	$15.00	$8.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	183	113	$363.00	$140.31
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	113	113	$397.00	$141.70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	109	32	$240.00	$83.39
93000 Routine ekg using at least 12 leads including interpretation and report	105	103	$59.00	$15.84
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	99	16	$231.00	$80.08
99239 Hospital discharge day management, more than 30 minutes	63	43	$358.00	$122.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	60	48	$667.12	$183.39
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	32	$150.00	$61.87
G0008 Administration of influenza virus vaccine	23	23	$35.00	$34.30
90662 Influenza vaccine split virus, preservative free	22	22	$115.91	$81.37
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	15	$449.00	$138.31
81002 Urinalysis, manual test	16	15	$8.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	392	70	$240.00	$86.48
99213 Established patient office or other outpatient visit, typically 15 minutes	284	154	$247.00	$101.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	191	122	$363.00	$141.25
36415 Insertion of needle into vein for collection of blood sample	161	116	$15.00	$8.40
93000 Routine ekg using at least 12 leads including interpretation and report	98	96	$59.00	$16.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	81	33	$343.00	$130.05
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	58	15	$231.00	$82.25
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	44	34	$150.00	$63.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	32	$666.00	$189.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	40	40	$397.00	$145.53
90662 Influenza vaccine split virus, preservative free	34	34	$93.00	$71.93
G0008 Administration of influenza virus vaccine	33	33	$35.00	$33.97
99238 Hospital discharge day management, 30 minutes or less	30	25	$243.00	$88.95
99231 Follow-up hospital inpatient care per day, typically 15 minutes	29	24	$129.00	$54.16
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes	19	14	$432.00	$146.53
81002 Urinalysis, manual test	15	13	$8.00	$3.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	12	$449.00	$142.20
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	12	12	$81.00	$51.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	350	186	$167.88	$101.31
36415 Insertion of needle into vein for collection of blood sample	241	175	$24.75	$2.97
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	161	29	$212.43	$108.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	108	$224.84	$144.75
93000 Routine ekg using at least 12 leads including interpretation and report	148	144	$51.34	$16.28
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	135	135	$215.00	$202.91
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	101	14	$105.00	$76.23
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	53	19	$207.45	$75.72
99238 Hospital discharge day management, 30 minutes or less	36	28	$160.33	$74.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	24	$316.86	$200.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	21	$123.81	$64.68
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	19	19	$262.21	$148.28
99306 Initial nursing facility visit, typically 45 minutes per day	16	12	$215.00	$181.39
G0008 Administration of influenza virus vaccine	14	14	$35.00	$33.69
36410 Insertion of needle into vein, patient 3 years or older	12	12	$30.00	$20.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	361	41	$195.68	$113.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	318	149	$176.51	$144.08
36415 Insertion of needle into vein for collection of blood sample	271	194	$25.00	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	176	160	$212.44	$203.45
93000 Routine ekg using at least 12 leads including interpretation and report	148	142	$50.00	$16.86
99213 Established patient office or other outpatient visit, typically 15 minutes	137	95	$149.20	$101.62
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	120	26	$105.00	$76.81
99238 Hospital discharge day management, 30 minutes or less	62	39	$147.10	$79.97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	34	$287.39	$219.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	15	$122.43	$78.88
36410 Insertion of needle into vein, patient 3 years or older	29	24	$30.00	$20.42
99306 Initial nursing facility visit, typically 45 minutes per day	28	22	$215.00	$183.81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	27	27	$200.00	$151.04
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	21	$45.00	$20.44
G0008 Administration of influenza virus vaccine	21	21	$35.00	$19.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$92.94	$64.62
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	15	15	$200.00	$190.48
69210 Removal of impacted ear wax	15	15	$75.00	$54.70

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	263	165	$140.04	$121.86
36415 Insertion of needle into vein for collection of blood sample	219	158	$25.00	$2.97
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	198	27	$105.00	$77.41
99213 Established patient office or other outpatient visit, typically 15 minutes	158	113	$95.00	$84.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	125	26	$95.00	$79.99
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	122	122	$200.00	$194.26
93000 Routine ekg using at least 12 leads including interpretation and report	122	120	$50.00	$19.56
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	69	58	$185.00	$163.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	26	$254.50	$224.40
99238 Hospital discharge day management, 30 minutes or less	40	24	$105.00	$81.62
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	32	$70.00	$51.10
99306 Initial nursing facility visit, typically 45 minutes per day	32	24	$212.50	$185.88
G0008 Administration of influenza virus vaccine	22	22	$35.00	$19.03
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	22	22	$45.00	$19.54
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	17	17	$200.00	$132.67

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	568	235	$136.72	$119.75
36415 Insertion of needle into vein for collection of blood sample	401	235	$25.00	$2.90
99213 Established patient office or other outpatient visit, typically 15 minutes	255	154	$95.00	$81.31
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	243	54	$95.00	$76.83
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	147	23	$105.00	$75.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	139	139	$200.00	$129.93
93000 Routine ekg using at least 12 leads including interpretation and report	135	129	$50.00	$18.86
99238 Hospital discharge day management, 30 minutes or less	66	47	$105.00	$78.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	61	51	$70.00	$50.36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	38	$237.76	$211.61
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	36	36	$44.72	$17.61
G0008 Administration of influenza virus vaccine	34	34	$35.00	$18.67
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	27	27	$200.00	$190.54
36410 Insertion of needle into vein, patient 3 years or older	26	23	$30.00	$19.65
G0444 Annual depression screening, 5 to 15 minutes	24	24	$30.00	$20.51
99306 Initial nursing facility visit, typically 45 minutes per day	18	14	$205.00	$181.58

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	640	242	$135.00	$117.65
36415 Insertion of needle into vein for collection of blood sample	480	251	$25.00	$2.90
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	300	40	$105.00	$75.54
99213 Established patient office or other outpatient visit, typically 15 minutes	281	176	$95.00	$78.97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	257	59	$95.00	$77.80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	153	153	$200.00	$129.59
93000 Routine ekg using at least 12 leads including interpretation and report	149	138	$50.00	$18.88
99238 Hospital discharge day management, 30 minutes or less	68	47	$105.00	$79.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	59	44	$236.00	$217.07
G0008 Administration of influenza virus vaccine	49	49	$35.00	$23.23
99306 Initial nursing facility visit, typically 45 minutes per day	47	34	$205.00	$180.60
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	45	41	$70.00	$48.30
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	43	43	$35.00	$18.65
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$95.00	$69.20
69210 Removal of impacted ear wax	16	16	$75.00	$54.13
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	15	12	$126.00	$99.69

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	470	209	$135.00	$116.89
99213 Established patient office or other outpatient visit, typically 15 minutes	369	188	$95.00	$79.88
36415 Insertion of needle into vein for collection of blood sample	364	209	$25.00	$2.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	215	48	$95.00	$76.23
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	200	31	$105.00	$75.18
93000 Routine ekg using at least 12 leads including interpretation and report	129	122	$50.00	$19.00
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	121	121	$200.00	$128.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	56	40	$236.00	$206.49
99238 Hospital discharge day management, 30 minutes or less	56	38	$105.00	$74.48
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	56	42	$50.00	$22.92
99306 Initial nursing facility visit, typically 45 minutes per day	27	19	$205.00	$180.19
36410 Insertion of needle into vein, patient 3 years or older	22	22	$30.00	$19.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	18	$70.00	$48.74
G0008 Administration of influenza virus vaccine	20	20	$35.00	$29.01
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	20	20	$35.00	$18.65
99202 New patient office or other outpatient visit, typically 20 minutes	15	15	$95.00	$83.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$175.00	$159.65

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License NJ MA061062

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

6691706 (NJ)

Commercial Insurance / Payer ID United Healthcare Provide

223580109 (NJ)

Commercial Insurance / Payer ID Aetna Provider Number

539794 (NJ)

Commercial Insurance / Payer ID Oxford Provider Id

P377639 (NJ)

Commercial Insurance / Payer ID Horizon Provider Number

223508109 (NJ)

Hospital & Practice Group Affiliations

Practice Associates Medical Group

100 Madison Ave, Morristown, NJ 079606136

Phone: 9739715596

Practice Associates Medical Group

575 Route 28, Raritan, NJ 088691354

Phone: 9089472720

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Charles Bender , DC

Chiropractor

NPI 1104993740

Doctor of Chiropractic

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active December 08, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location December 08, 2009

Registered at 619 UNION AVE, BUILDING 1, FIRST FLOOR, MIDDLESEX, NJ 088461963 (Tel: 7323563212)

📍

Updated Business Mailing Address December 08, 2009

Registered at 619 UNION AVE, BUILDING 1, FIRST FLOOR, MIDDLESEX, NJ 088461963 (Tel: 7323563212)

👤

Provider Name / Credentials Updated December 08, 2009

Recorded as PERRY LEONG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 08, 2009

Internal Medicine (License #MA061062 in NJ)

🟢

Initial NPI Registration & Enumeration January 11, 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: 1598744344

Entity Type:

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

Enumeration Date: January 11, 2006

Last Update: December 08, 2009

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

619 Union Ave, Building 1, First Floor

Middlesex, NJ 088461963

Phone: 7323563212

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.