DR. MARIA CHRISTINA SHIAU M.D.
NPI 1043276025
Radiology - Diagnostic Radiology in Rochester, NY

Active since April 26, 2006PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
601 ELMWOOD AVE, ROCHESTER, NY 14642(585) 784-2985 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 11, 2026, Jul 22, 2023, Aug 12, 2022 (3 updates tracked since 2022).

About Dr. Maria Christina Shiau M.d. NPPES

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

DR. MARIA CHRISTINA SHIAU M.D. (NPI 1043276025) is an individual diagnostic radiology provider in Rochester, New York, licensed in New York (198071) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Jones Memorial Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1043276025
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameDR. MARIA CHRISTINA SHIAUCredential: M.D.
Location Address601 ELMWOOD AVERochester, NY 14642-0001
Mailing Address601 Elmwood Ave Box 648Rochester, NY 14642-0001 · (585) 275-2734
Sole ProprietorYes
Medical School CMSOtherGraduated 1993
Enumeration DateApril 26, 2006
Last NPPES UpdateMay 11, 20263 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1043276025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in NY · 198071
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
601 ELMWOOD AVE, Rochester, NY 14642

Other Identifiers 1

Medicaid1946950NY

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

Dr. Maria Christina Shiau 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 ID5799763538
PECOS Enrollment IDI20040709000120
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 Reassignments

2

Medicare enrollment records show Maria Shiau reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
601 ELMWOOD AVE, BOX 648
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 198 clinicians in this Medicare group
Cardiovascular Disease
3301 QUANTUM BLVD
Boynton Beach, FL 33426
  • Reassigned Medicare billing, New York enrollment
  • 2,450 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.

Areas of Expertise CMS Part B claims 9

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
737 services491 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
236 services228 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
144 services134 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
79 services79 patients
Ct scan of chest without contrast 71250
A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.
74 services71 patients
Ct scan of chest with contrast 71260
A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.
69 services67 patients

Hospital Affiliations CMS Care Compare 5

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

Jones Memorial Hospital

Acute Care Hospitals · Wellsville, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330096
Location191 North Main StreetWellsville, NY 14895 · Allegany County
Emergency services Birthing friendly

St James Mercy Hospital

Acute Care Hospitals · Hornell, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330151
Location7329 Seneca Road NorthHornell, NY 14843 · Steuben County
Emergency services

Highland Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330164
Location1000 South AvenueRochester, NY 14617 · Monroe County
Emergency services Birthing friendly

Nicholas H Noyes Memorial Hospital

Acute Care Hospitals · Dansville, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330238
Location111 Clara Barton StreetDansville, NY 14437 · Livingston County
Emergency services Birthing friendly

Strong Memorial Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330285
Location601 Elmwood AveRochester, NY 14642 · Monroe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14642 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality93.33
Promoting Interoperability100
Improvement Activities40
Cost54.91

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.

Physician Assistant
601 ELMWOOD AVE
ROCHESTER, NY 14642
Pediatrics (Neonatal-Perinatal Medicine)
601 ELMWOOD AVE, BOX 635
ROCHESTER, NY 14642
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE, BOX 648
ROCHESTER, NY 14642
Nurse Practitioner (Family)
601 ELMWOOD AVE, BOX 652
ROCHESTER, NY 14642
Urology (Pediatric Urology)
601 ELMWOOD AVE, BOX 656
ROCHESTER, NY 14642
Nurse Practitioner (Adult Health)
601 ELMWOOD AVE, BOX 704
ROCHESTER, NY 14642
Student in an Organized Health Care Education/Training Program
601 ELMWOOD AVE, BOX 705
ROCHESTER, NY 14642
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE
ROCHESTER, NY 14642

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 Maria Shiau's NPI number?

The NPI number for Maria Shiau is 1043276025. It was assigned to this individual provider in the NPPES registry on April 26, 2006.

Where is Maria Shiau located?

Maria Shiau practices at 601 Elmwood Ave, Rochester, NY 14642. The listed phone number is (585) 784-2985.

What is Maria Shiau's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Maria Shiau enrolled in Medicare?

Yes. Maria Shiau 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 organizations bill Medicare for Maria Shiau's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Shiau reassigns Medicare benefits to 2 organizations: Radiologists Of Univ Of Rochester (Rochester, NY) and New York University (Boynton Beach, FL). Each 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 Maria Shiau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Shiau affiliated with any hospitals?

According to CMS data, Maria Shiau is affiliated with Jones Memorial Hospital, St James Mercy Hospital, Highland Hospital, Nicholas H Noyes Memorial Hospital and Strong Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Maria Shiau was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.