DR. MAZEN HASHISHO M.D.
NPI 1255524427
Surgery - Vascular Surgery in Garden Grove, CA

Active since August 21, 2007PECOS EnrolledAccepts Medicare Assignment
85.88/100
CMS Quality Rating
12555 GARDEN GROVE BLVD STE 403, GARDEN GROVE, CA 92843(562) 506-0176(562) 506-0053 Get Directions Write a Review

NPPES record last updated: June 16, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 16, 2020, Jan 17, 2020, Mar 17, 2018 and 2 more (5 updates tracked since 2016).

About Dr. Mazen Hashisho M.d. NPPES

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

DR. MAZEN HASHISHO M.D. (NPI 1255524427) is an individual vascular surgery provider in Garden Grove, California, licensed in California (A94329) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1255524427
Entity TypeIndividualMale
Primary Taxonomy2086S0129X
Provider Legal NameDR. MAZEN HASHISHOCredential: M.D.
Location Address12555 GARDEN GROVE BLVD STE 403Garden Grove, CA 92843-1903
Mailing Address5150 E Pacific Coast Hwy Ste 500Long Beach, CA 90804-3328 · (562) 299-5200 · Fax (562) 299-5294
Fax(562) 506-0053
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateAugust 21, 2007
Last NPPES UpdateJune 16, 20205 updates tracked since enumeration
NPPES CertifiedJune 16, 2020
NPI 1255524427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code2086S0129X
Licenses Licensed in CA · A94329 Licensed in PA · MD441265 Licensed in NY · 002845
Definition
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
Also ListedThoracic Surgery (Cardiothoracic Vascular Surgery)Taxonomy 208G00000X · License A94329 (CA)
12555 GARDEN GROVE BLVD STE 403, Garden Grove, CA 92843

Secondary Practice Locations 3

Location 1333 Cottman AvePhiladelphia, PA 19111-2434 · Phone (215) 214-1427 · Fax (215) 214-3901
Location 22888 Long Beach Blvd Ste 235Long Beach, CA 90806-1562 · Phone (562) 424-4447 · Fax (562) 216-1785
Location 3101 E Beverly Blvd Ste 303Montebello, CA 90640-4316 · Phone (562) 506-0176 · Fax (562) 506-0053

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. Mazen Hashisho M.d. 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 ID3173671906
PECOS Enrollment IDI20130522000721
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 34

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 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.
638 services273 patients
Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153
This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.
480 services89 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.
167 services167 patients
Ultrasonic guidance for blood vessel access 76937
Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.
162 services92 patients
Ultrasound study of arm or leg veins with compression and maneuvers 93970
An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.
156 services141 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
144 services96 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92843 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

85.88/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.39
Promoting Interoperability99
Improvement Activities40
Cost56.29

Reported Quality Measures

Prevention of Central Venous Catheter (CVC) - Related Bloodstream Infections
Percentage of patients, regardless of age, who undergo central venous catheter (CVC) insertion for whom CVC was inserted with all elements of maximal sterile barrier technique, hand hygiene, skin preparation and, if ultrasound is used, sterile ultrasound…
100%39 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

Internal Medicine (Interventional Cardiology)
12555 GARDEN GROVE BLVD STE 403
GARDEN GROVE, CA 92843

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 Hashisho's NPI number?

The NPI number for Mazen Hashisho is 1255524427. It was assigned to this individual provider in the NPPES registry on August 21, 2007.

Where is Mazen Hashisho located?

Mazen Hashisho practices at 12555 Garden Grove Blvd Ste 403, Garden Grove, CA 92843. The listed phone number is (562) 506-0176.

What is Mazen Hashisho's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Mazen Hashisho enrolled in Medicare?

Yes. Mazen Hashisho 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 Mazen Hashisho was last updated on June 16, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.