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HASSAN ABBAS D.O.
NPI 1477294775
Internal Medicine in Mesa, AZ

Active since April 02, 2022PECOS EnrolledAccepts Medicare Assignment
6644 E BAYWOOD AVE, MESA, AZ 85206(480) 321-2000 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Hassan Abbas D.o. NPPES

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

HASSAN ABBAS D.O. (NPI 1477294775) is an individual internal medicine provider in Mesa, Arizona, licensed in Arizona (011596) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1477294775
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameHASSAN ABBASCredential: D.O.
Location Address6644 E BAYWOOD AVEMesa, AZ 85206-1747
Mailing Address7824 E Quintana AveMesa, AZ 85212-2641
Phone(480) 321-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 2, 2022
Last NPPES UpdateJune 26, 2025
NPPES CertifiedJune 26, 2025
✔ NPI 1477294775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 011596
Definition
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.
6644 E BAYWOOD AVE, Mesa, AZ 85206
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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

Hassan Abbas D.o. 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 ID5496263550
PECOS Enrollment IDI20250731004513
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 85206 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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.

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.

MRS. KARLA TRUJILLO BSN, RN
Registered Nurse (Continuing Education/Staff Development)
6644 E BAYWOOD AVE
MESA, AZ 85206
Maricopa County (480) 321-4731
ALLIED INTERNAL MEDICINE PLLC
General Acute Care Hospital
6644 E BAYWOOD AVE
MESA, AZ 85206
Maricopa County (602) 694-0548
DR. MIKULKUMAR D SHAH MD
Anesthesiology
6644 E BAYWOOD AVE
MESA, AZ 85206
Maricopa County (480) 321-2000
ANDREW MARTIN HEMMEN MD
Internal Medicine
6644 E BAYWOOD AVE
MESA, AZ 85206
Maricopa County (480) 981-4391
DR. IZABELA B POSTACCHINI MD
Hospitalist
6644 E BAYWOOD AVE, BANNER BAYWOOD MEDICAL CENTER
MESA, AZ 85206
Maricopa County (480) 321-3900
JOSHUA TODD AUSTIN CRNA
Nurse Anesthetist, Certified Registered
6644 E BAYWOOD AVE
MESA, AZ 85206
Maricopa County (480) 321-2000
EMERGENCY & ACUTE CARE MEDICAL COMPANY - AZ
Emergency Medicine
6644 E BAYWOOD AVE
MESA, AZ 85206
Maricopa County (480) 981-2000
DR. ERIC PITTMAN MD
Hospitalist
6644 E BAYWOOD AVE, BANNER BAYWOOD MEDICAL CENTER
MESA, AZ 85206
Maricopa County (480) 321-3900

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 Hassan Abbas's NPI number?

The NPI number for Hassan Abbas is 1477294775. It was assigned to this individual provider in the NPPES registry on April 2, 2022.

Where is Hassan Abbas located?

Hassan Abbas practices at 6644 E Baywood Ave, Mesa, AZ 85206. The listed phone number is (480) 321-2000.

What is Hassan Abbas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hassan Abbas enrolled in Medicare?

Yes. Hassan Abbas 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 Hassan Abbas was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.