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DR. MAZEN ISSAM ABBAS D.O., M.P.H.
NPI 1790775278
Pediatrics - Pediatric Gastroenterology in Madera, CA

Active since October 25, 2005PECOS Enrolled
85.78/100
CMS Quality Rating
9300 VALLEY CHILDRENS PL # SE09, MADERA, CA 93636(559) 353-5745(559) 353-6093 Get Directions Write a Review

NPPES record last updated: October 9, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 9, 2020, Mar 12, 2020, Jan 16, 2018 (3 updates tracked since 2018).

About Dr. Mazen Issam Abbas D.o., M.p.h. NPPES

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

DR. MAZEN ISSAM ABBAS D.O., M.P.H. (NPI 1790775278) is an individual pediatric gastroenterology provider in Madera, California, licensed in California (20A14673) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790775278
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameDR. MAZEN ISSAM ABBASCredential: D.O., M.P.H.
Location Address9300 VALLEY CHILDRENS PL # SE09Madera, CA 93636-8761
Mailing Address1015 Aoloa Pl Apt 259Kailua, HI 96734-5212 · (808) 726-6653 · Fax (808) 378-7075
Phone(559) 353-5745
Fax(559) 353-6093
Sole ProprietorNo
Enumeration DateOctober 25, 2005
Last NPPES UpdateOctober 9, 20203 updates tracked since enumeration
NPPES CertifiedOctober 9, 2020
✔ NPI 1790775278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in CA · 20A14673
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
Also ListedPediatricsTaxonomy 208000000X · License 20A14673 (CA)
9300 VALLEY CHILDRENS PL # SE09, Madera, CA 93636
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Secondary Practice Locations 2

Location 1122 Oneawa St Ste 101Kailua, HI 96734-2524 · Phone (808) 263-4263
Location 230 Aulike St Ste 405Kailua, HI 96734-2751 · Phone (808) 707-7574 · Fax (808) 378-7075

Other Identifiers 1

Medicaid1790775278CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mazen Issam Abbas D.o., M.p.h. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93636 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
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.

85.78/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.96
Promoting Interoperability100
Improvement Activities40
Cost69.65

Other Providers at the Same Location NPPES 3

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

JOHN-PAUL BERAUER MD
Pediatrics (Pediatric Gastroenterology)
9300 VALLEY CHILDRENS PL # SE09
MADERA, CA 93636
Madera County (559) 353-5745
DR. ALEXANDRA P EIDELWEIN M.D.
Pediatrics (Pediatric Gastroenterology)
9300 VALLEY CHILDRENS PL # SE09
MADERA, CA 93636
Madera County (559) 353-5745
PHILIP J MCDONALD MD
Pediatrics (Pediatric Gastroenterology)
9300 VALLEY CHILDRENS PL # SE09
MADERA, CA 93636
Madera County (559) 353-8761

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 Mazen Abbas's NPI number?

The NPI number for Mazen Abbas is 1790775278. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Mazen Abbas located?

Mazen Abbas practices at 9300 Valley Childrens Pl # Se09, Madera, CA 93636. The listed phone number is (559) 353-5745.

What is Mazen Abbas's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Mazen Abbas enrolled in Medicare?

Yes. Mazen Abbas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mazen Abbas was last updated on October 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.