Active NPI 1417050063 Individual Practitioner Male Practitioner

Dr. Isaac Paz , MD

Surgery • Lancaster, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Isaac Paz, MD is a certified Surgery practicing in Lancaster, CA. With approximately 45 years of clinical experience since completing medical education in 1981, Dr. Paz delivers high-quality medical care to the local community at 44151 15TH ST W.

Dr. Paz is affiliated with City Of Hope Medical Foundation 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, new patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

44151 15th St W

Lancaster, CA 935344079

Telephone 6619025600

Fax 6619510686

Associated Practice Facility / Clinic

🏢 City Of Hope Medical Foundation Facility NPI 1033788336

Medicare Profile & Education

Medical School

Other

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Lancaster, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs +14.1 yrs vs City Avg

City Avg: 30.9 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

14 Specialists

Practicing in Lancaster, CA (3346 Statewide)

Telehealth Adoption Rate

21.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

73.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Paz (45 Years) 45 Yrs

Lancaster Specialty Average (30.9 Years) 30.9 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	120	90	$326.57	$97.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	119	88	$452.73	$135.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	78	78	$616.36	$179.51
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	55	26	$288.69	$83.78
14302 Repair of wound by transferring skin, each additional 30.0 sq cm	44	16	$781.91	$226.90
99213 Established patient office or other outpatient visit, typically 15 minutes	37	35	$167.00	$70.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$451.00	$141.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	27	$256.00	$103.68
76998 Ultrasonic guidance during surgery	29	29	$239.00	$47.21
38900 Lymph node imaging during surgery	27	27	$430.18	$143.14
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	26	26	$1372.00	$274.74
19301 Partial removal of breast	24	24	$1967.02	$439.31
99441 Telephone medical discussion with physician, 5-10 minutes	22	22	$205.76	$55.97
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm	22	21	$3234.45	$881.81
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	14	$474.04	$138.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$421.61	$123.64
99442 Telephone medical discussion with physician, 11-20 minutes	16	14	$308.44	$87.70

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	135	95	$471.10	$134.24
99213 Established patient office or other outpatient visit, typically 15 minutes	110	81	$288.86	$80.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	64	22	$288.69	$83.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	42	$256.00	$102.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$622.97	$179.62
14302 Repair of wound by transferring skin, each additional 30.0 sq cm	45	12	$781.91	$225.45
99213 Established patient office or other outpatient visit, typically 15 minutes	35	28	$167.00	$69.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$451.00	$140.09
99442 Telephone medical discussion with physician, 11-20 minutes	21	19	$274.76	$73.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	15	$465.77	$136.69
76998 Ultrasonic guidance during surgery	17	17	$239.00	$62.89
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm	17	15	$3234.45	$822.89
38900 Lymph node imaging during surgery	16	16	$450.57	$148.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$414.30	$119.37
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	13	13	$1201.18	$306.39
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	12	12	$107.00	$18.57
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	12	12	$1380.17	$302.56
76937 Ultrasonic guidance for blood vessel access	12	12	$43.01	$14.59
19301 Partial removal of breast	12	12	$2294.86	$464.64

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	88	66	$317.16	$141.03
99213 Established patient office or other outpatient visit, typically 15 minutes	78	60	$216.16	$99.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	54	19	$193.00	$75.97
99213 Established patient office or other outpatient visit, typically 15 minutes	47	37	$167.00	$71.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$497.67	$182.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	28	$256.00	$105.42
76998 Ultrasonic guidance during surgery	17	17	$239.00	$64.92
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	15	15	$1079.21	$321.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$403.73	$143.70
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	15	15	$107.00	$19.56
99442 Telephone medical discussion with physician, 11-20 minutes	15	15	$167.00	$98.31
38900 Lymph node imaging during surgery	13	13	$400.51	$144.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$327.83	$123.08
99441 Telephone medical discussion with physician, 5-10 minutes	12	11	$122.00	$38.27
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$622.49	$240.74

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	73	56	$316.32	$143.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	42	$256.00	$108.33
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$497.67	$186.16
99213 Established patient office or other outpatient visit, typically 15 minutes	55	46	$216.16	$101.13
99213 Established patient office or other outpatient visit, typically 15 minutes	44	32	$167.00	$73.25
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	15	$193.00	$77.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	11	$124.00	$41.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$451.00	$147.79
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	19	19	$107.00	$18.97
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	18	18	$1079.21	$284.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$403.73	$142.17
99441 Telephone medical discussion with physician, 5-10 minutes	15	14	$122.00	$63.42
49321 Biopsy of abdomen using an endoscope	14	14	$1535.00	$325.17
38900 Lymph node imaging during surgery	13	13	$400.51	$147.48
76998 Ultrasonic guidance during surgery	12	12	$239.00	$66.34
99442 Telephone medical discussion with physician, 11-20 minutes	12	12	$163.25	$102.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
14302 Repair of wound by transferring skin, each additional 30.0 sq cm	63	11	$346.76	$129.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	50	41	$274.35	$121.89
99213 Established patient office or other outpatient visit, typically 15 minutes	45	39	$180.11	$83.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	45	37	$256.00	$86.45
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	16	$124.00	$42.97
99213 Established patient office or other outpatient visit, typically 15 minutes	31	25	$167.00	$56.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$497.67	$182.91
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$622.49	$222.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	18	$403.73	$150.55
76998 Ultrasonic guidance during surgery	19	18	$239.00	$67.79
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	18	18	$107.00	$20.48
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	17	17	$1079.21	$342.51
99441 Telephone medical discussion with physician, 5-10 minutes	15	12	$122.00	$51.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$451.00	$141.36
38900 Lymph node imaging during surgery	15	15	$427.21	$155.71
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm	13	12	$2283.26	$776.87
19301 Partial removal of breast	13	13	$2118.33	$425.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	104	80	$167.00	$80.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	32	$256.00	$120.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$497.67	$181.06
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$167.00	$55.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	12	$256.00	$85.24
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$403.73	$144.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	144	110	$167.00	$79.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	48	36	$256.00	$118.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	42	16	$124.00	$41.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$497.67	$178.92
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	23	23	$622.49	$215.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$327.83	$118.11
19301 Partial removal of breast	12	11	$2130.94	$584.04
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$1274.00	$260.14
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$595.57	$212.66
76998 Ultrasonic guidance during surgery	11	11	$239.00	$61.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	104	82	$167.00	$79.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	41	$256.00	$117.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$497.67	$174.27
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	30	30	$622.49	$223.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$325.93	$117.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$122.00	$48.23
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	13	13	$1274.00	$327.88
76998 Ultrasonic guidance during surgery	13	13	$239.00	$66.70
38900 Lymph node imaging during surgery	11	11	$400.51	$146.97

Medical Specialties & State Licenses

CMS Verified: 2020-10-28

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A48296

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

A48296 (CA)

Hospital & Practice Group Affiliations

City Of Hope Medical Foundation

209 Fair Oaks Ave, South Pasadena, CA 910301814

Phone: 6263962900

Secondary Practice Locations

209 Fair Oaks Ave

South Pasadena, CA 910301814

Phone: 6263962900

1500 E Duarte Rd

Duarte, CA 91010

Phone: 6263598111

Practice Associates & Co-Workers

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

20 Associated Practitioners

Dr. Tanyanika Phillips , MD

Internal Medicine - Hematology & Oncology

NPI 1003952151

Doctor of Medicine (M.D.)

Jill Jepson , FNP-C

Nurse Practitioner - Family

NPI 1023132990

Family Nurse Practitioner (Certified)

Dr. Heather Player , MD

Surgery - Surgical Oncology

NPI 1023302973

Doctor of Medicine (M.D.)

Dr. Michael Lao , MD

Urology

NPI 1164861969

Doctor of Medicine (M.D.)

Dr. Kai Dallas , MD

Urology - Female Pelvic Medicine and Reconstructive Surgery

NPI 1245674480

Doctor of Medicine (M.D.)

Dr. Aaron Scott , MD

Surgery - Surgical Oncology

NPI 1295115814

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Practice Location March 17, 2018

Registered at 44151 15TH ST W, LANCASTER, CA 935344079 (Tel: 6619025600)

📍

Updated Business Mailing Address March 17, 2018

Registered at PO BOX 512185, LOS ANGELES, CA 900510185 (Tel: 6267753514)

📍

Updated Practice Location March 07, 2018

Registered at 44151 15TH ST W, LANCASTER, CA 935344079 (Tel: 6619025600)

📍

Updated Business Mailing Address March 07, 2018

Registered at PO BOX 512185, LOS ANGELES, CA 900510185 (Tel: 6267753514)

✅

NPI Profile Active July 05, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location July 05, 2017

Registered at 209 FAIR OAKS AVE, SOUTH PASADENA, CA 910301814 (Tel: 6263962900)

📍

Updated Business Mailing Address July 05, 2017

Registered at 1333 S MAYFLOWER AVE FL 2, MONROVIA, CA 910164066 (Tel: (626) 775-3514)

👤

Provider Name / Credentials Updated July 05, 2017

Recorded as ISAAC PAZ, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 05, 2017

Surgery (License #A48296 in CA)

✅

NPI Profile Active February 28, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location February 28, 2013

Registered at 1500 E DUARTE RD, DUARTE, CA 91010 (Tel: 6263598111)

📍

Updated Business Mailing Address February 28, 2013

Registered at PO BOX 5063, MONROVIA, CA 910177163 (Tel: 6267753200)

👤

Provider Name / Credentials Updated February 28, 2013

Recorded as ISAAC PAZ, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 28, 2013

Surgery (License #A48296 in CA)

🟢

Initial NPI Registration & Enumeration September 07, 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: 1417050063

Entity Type:

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

Enumeration Date: September 07, 2006

Last Update: November 27, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 512185

Los Angeles, CA 900510185

Phone: 6267753514

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.