DR. BUN BRIAN SIU M.D., PH.D.
NPI 1144343831
Student in an Organized Health Care Education/Training Program in Ann Arbor, MI

Q: What is Bun Siu's NPI number?

The NPI number for Bun Siu is 1144343831. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Q: What is Bun Siu's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Q: Is Bun Siu enrolled in Medicare?

No. Bun Siu has opted out of Medicare through November 7, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Bun Siu was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since April 09, 2007Opted out of Medicare · through Nov 7, 2026

1301 CATHERINE, M4211, MSI, ANN ARBOR, MI 48109(734) 764-3270(734) 763-6476 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Dr. Bun Brian Siu M.d., Ph.d. NPPES

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

DR. BUN BRIAN SIU M.D., PH.D. (NPI 1144343831) is an individual student in an organized health care education/training program in Ann Arbor, Michigan, licensed in Michigan (4301082584) and active in the NPI registry since April 2007. He has opted out of Medicare through November 7, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1144343831

Entity TypeIndividualMale

Primary Taxonomy390200000X

Provider Legal NameDR. BUN BRIAN SIUCredential: M.D., PH.D.

Location Address1301 CATHERINE, M4211, MSIAnn Arbor, MI 48109-0602

Mailing Address3223 Honeysuckle DrAnn Arbor, MI 48103-8933 · (734) 668-9179

Phone(734) 764-3270

Fax(734) 763-6476

Sole ProprietorNo

Enumeration DateApril 9, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1144343831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care

Taxonomy Code390200000X

License✔ Licensed in MI · 4301082584

Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

1301 CATHERINE, Ann Arbor, MI 48109

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Bun Brian Siu M.d., Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 7, 2018 through November 7, 2026.

Opt-Out Effective DateNovember 7, 2018

Opt-Out In Effect ThroughNovember 7, 2026Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 2

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

DR. ANN POZNANSKI M.D., PH.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1301 CATHERINE, M5231E MSI
ANN ARBOR, MI 48109

Washtenaw County (734) 764-3270

DR. AMANDA OWEN FISHER-HUBBARD M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1301 CATHERINE, M5231E MSI
ANN ARBOR, MI 48109

Washtenaw County (734) 764-3270

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 Bun Siu's NPI number?

The NPI number for Bun Siu is 1144343831. It was assigned to this individual provider in the NPPES registry on April 9, 2007.

Where is Bun Siu located?

Bun Siu practices at 1301 Catherine M4211, Msi, Ann Arbor, MI 48109. The listed phone number is (734) 764-3270.

What is Bun Siu's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Bun Siu enrolled in Medicare?

No. Bun Siu has opted out of Medicare through November 7, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Bun Siu was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.