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

GEORGE YASSA DO
NPI 1033739768
Internal Medicine - Cardiovascular Disease in Saginaw, MI

Active since April 22, 2020PECOS EnrolledAccepts Medicare Assignment
1015 S WASHINGTON AVE, SAGINAW, MI 48601(989) 754-3000 Get Directions Write a Review

NPPES record last updated: September 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 10, 2026, Jul 26, 2023, Jun 19, 2023 and 1 more (4 updates tracked since 2020).

About George Yassa Do NPPES

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

GEORGE YASSA DO (NPI 1033739768) is an individual cardiovascular disease provider in Saginaw, Michigan, licensed in Michigan (5101027354) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and maintains a secondary practice location in Grand Blanc.

NPPES Registry Identity

NPI1033739768
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameGEORGE YASSACredential: DO
Location Address1015 S WASHINGTON AVESaginaw, MI 48601-2556
Mailing Address4000 Wellness DrMidland, MI 48670-2000
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 22, 2020
Last NPPES UpdateSeptember 10, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2026
✔ NPI 1033739768 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in MI · 5101027354
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
1015 S WASHINGTON AVE, Saginaw, MI 48601

Secondary Practice Location 1

Location 11 Genesys PkwyGrand Blanc, MI 48439-8065 · Phone (810) 606-5830

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

George Yassa Do 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 ID9830581271
PECOS Enrollment IDI20260605001344
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.

Medicare Billing Reassignment

Medicare enrollment records show George Yassa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Orthopaedic Surgery
4701 TOWNE CENTRE RD, SUITE 303
Saginaw, MI 48604
  • Reassigned Medicare billing, Michigan enrollment
  • 125 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension St Mary's Hospital

Acute Care Hospitals · Saginaw, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230077
Location800 S Washington AvenueSaginaw, MI 48601 · Saginaw County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48601 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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.

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 (Cardiovascular Disease)
1015 S WASHINGTON AVE
SAGINAW, MI 48601
Internal Medicine
1015 S WASHINGTON AVE
SAGINAW, MI 48601
Internal Medicine
1015 S WASHINGTON AVE
SAGINAW, MI 48601
Internal Medicine (Rheumatology)
1015 S WASHINGTON AVE
SAGINAW, MI 48601
Physician Assistant
1015 S WASHINGTON AVE
SAGINAW, MI 48601
Nurse Practitioner (Family)
1015 S WASHINGTON AVE
SAGINAW, MI 48601
Internal Medicine (Pulmonary Disease)
1015 S WASHINGTON AVE, SUITE D
SAGINAW, MI 48601
Internal Medicine (Clinical Cardiac Electrophysiology)
1015 S WASHINGTON AVE
SAGINAW, MI 48601

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 George Yassa's NPI number?

The NPI number for George Yassa is 1033739768. It was assigned to this individual provider in the NPPES registry on April 22, 2020.

Where is George Yassa located?

George Yassa practices at 1015 S Washington Ave, Saginaw, MI 48601. The listed phone number is (989) 754-3000.

What is George Yassa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is George Yassa enrolled in Medicare?

Yes. George Yassa 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.

Which organization bills Medicare for George Yassa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Yassa reassigns Medicare benefits to Mymichigan Medical Center Saginaw (Saginaw, MI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Yassa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Yassa accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list George Yassa as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is George Yassa affiliated with any hospitals?

According to CMS data, George Yassa is affiliated with Ascension St Mary's Hospital.

When was this NPI record last updated?

The NPPES record for George Yassa was last updated on September 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 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.