Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ISAAC PAZ MD
NPI 1417050063
Surgery - Surgical Oncology in Duarte, CA

Active since September 07, 2006PECOS EnrolledAccepts Medicare Assignment
99.12/100
CMS Quality Rating
1500 E DUARTE RD, DUARTE, CA 91010(626) 359-8111 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 11, 2026, Oct 28, 2020, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

About Dr. Isaac Paz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ISAAC PAZ MD (NPI 1417050063) is an individual surgical oncology provider in Duarte, California, licensed in California (A48296) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Irvine, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1417050063
Entity TypeIndividualMale
Primary Taxonomy2086X0206X
Provider Legal NameDR. ISAAC PAZCredential: MD
Location Address1500 E DUARTE RDDuarte, CA 91010
Mailing AddressPo Box 512185Los Angeles, CA 90051-0185
Sole ProprietorNo
Medical School CMSOtherGraduated 1981
Enumeration DateSeptember 7, 2006
Last NPPES UpdateAugust 11, 20265 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
NPI 1417050063 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License Licensed in CA · A48296
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedSurgeryTaxonomy 208600000X · License A48296 (CA)
1500 E DUARTE RD, Duarte, CA 91010

Secondary Practice Location 1

Location 11000 FivepointIrvine, CA 92618-2377 · Phone (888) 333-4673

Other Identifiers 1

MedicaidA48296CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Isaac Paz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587560941
PECOS Enrollment IDI20050110000778
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
120 services90 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
119 services88 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
78 services78 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
55 services26 patients
Repair of wound by transferring skin, each additional 30.0 sq cm 14302
This procedure involves the transfer of skin from a healthy area to a wounded area, helping in its healing. Each session covers 30.0 sq cm. It's a common method for treating large wounds, burns, or areas with significant tissue damage.
44 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
37 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.23
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Medical Oncology)
1500 E DUARTE RD
DUARTE, CA 91010
Pathology (Hematology)
1500 E DUARTE RD
DUARTE, CA 91010
Pediatrics (Pediatric Hematology-Oncology)
1500 E DUARTE RD
DUARTE, CA 91010
Psychologist
1500 E DUARTE RD
DUARTE, CA 91010
Family Medicine (Hospice and Palliative Medicine)
1500 E DUARTE RD, DEPARTMENT OF SUPPORTIVE CARE
DUARTE, CA 91010
Physician Assistant
1500 E DUARTE RD
DUARTE, CA 91010
Psychologist (Clinical)
1500 E DUARTE RD
DUARTE, CA 91010
Anesthesiology
1500 E DUARTE RD
DUARTE, CA 91010

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isaac Paz's NPI number?

The NPI number for Isaac Paz is 1417050063. It was assigned to this individual provider in the NPPES registry on September 7, 2006.

Where is Isaac Paz located?

Isaac Paz practices at 1500 E Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 359-8111.

What is Isaac Paz's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is Isaac Paz enrolled in Medicare?

Yes. Isaac Paz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Isaac Paz was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.