WILLIAM ROGER MASCH M.D.
NPI 1366767303
Radiology - Diagnostic Radiology in Ypsilanti, MI

Active since April 01, 2010PECOS EnrolledAccepts Medicare Assignment
5333 MCAULEY DR, SUITE 6016, YPSILANTI, MI 48197(734) 712-8350(734) 712-8351 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 18, 2025, Feb 1, 2022 (2 updates tracked since 2022).

About William Roger Masch M.d. NPPES

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

WILLIAM ROGER MASCH M.D. (NPI 1366767303) is an individual diagnostic radiology provider in Ypsilanti, Michigan, licensed in Texas (V4047) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS, is affiliated with Chi St Luke's Health Baylor College Of Medicine Me, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1366767303
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM ROGER MASCHCredential: M.D.
Location Address5333 MCAULEY DR, SUITE 6016Ypsilanti, MI 48197-1014
Mailing Address5333 Mcauley Dr Rm 6016Ypsilanti, MI 48197-1005 · (734) 712-8350 · Fax (734) 712-8351
Fax(734) 712-8351
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2010
Enumeration DateApril 1, 2010
Last NPPES UpdateSeptember 18, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
NPI 1366767303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in TX · V4047 Licensed in MI · 4301096675
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
5333 MCAULEY DR, Ypsilanti, MI 48197

Secondary Practice Locations 2

Location 17200 Cambridge StHouston, TX 77030-4202 · Phone (713) 798-1000 ext. 81000
Location 21504 Taub LoopHouston, TX 77030-1608 · Phone (713) 873-8890

Accepted Insurance

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

William Roger Masch 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 ID1052623030
PECOS Enrollment IDI20251002004552
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 43

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.
270 services252 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
222 services218 patients
Mri scan of abdomen before and after contrast 74183
An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.
125 services123 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.
115 services114 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.
93 services92 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.
89 services88 patients

Hospital Affiliations CMS Care Compare 4

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

Chi St Luke's Health Baylor College Of Medicine Me

Acute Care Hospitals · Houston, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450193
Location6720 Bertner Ave, Ste Mc1-266Houston, TX 77030 · Harris County
Emergency services

St Luke's The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450862
Location17200 St Luke's WayThe Woodlands, TX 77384 · Montgomery County
Emergency services Birthing friendly

St Luke's Sugar Land Hospital

Acute Care Hospitals · Sugar Land, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number670053
Location1317 Lake Pointe ParkwaySugar Land, TX 77478 · Fort Bend County
Emergency services Birthing friendly

St Luke's Hospital At The Vintage

Acute Care Hospitals · Houston, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670075
Location20171 Chasewood Park DriveHouston, TX 77070 · Harris County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$72.38 typical visit price
range $18.32 – $143.49
Typical copayment $18.09 (range $4.58 – $35.87)
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.

Registered Nurse (Women's Health Care, Ambulatory)
5333 MCAULEY DR, RHB 2110
YPSILANTI, MI 48197
Internal Medicine (Addiction Medicine)
5333 MCAULEY DR, SUITE 3111
YPSILANTI, MI 48197
Radiology (Vascular & Interventional Radiology)
5333 MCAULEY DR, SUITE 6016
YPSILANTI, MI 48197
Internal Medicine
5333 MCAULEY DR, SUITE 4001
YPSILANTI, MI 48197
Radiology (Diagnostic Radiology)
5333 MCAULEY DR, SUITE 6016
YPSILANTI, MI 48197
Nurse Practitioner (Adult Health)
5333 MCAULEY DR, SUITE 4106
YPSILANTI, MI 48197
Psychiatry & Neurology (Neurology)
5333 MCAULEY DR, STE 6109
YPSILANTI, MI 48197
Student in an Organized Health Care Education/Training Program
5333 MCAULEY DR
YPSILANTI, MI 48197

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 William Masch's NPI number?

The NPI number for William Masch is 1366767303. It was assigned to this individual provider in the NPPES registry on April 1, 2010.

Where is William Masch located?

William Masch practices at 5333 Mcauley Dr Suite 6016, Ypsilanti, MI 48197. The listed phone number is (734) 712-8350.

What is William Masch's specialty?

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

Is William Masch enrolled in Medicare?

Yes. William Masch 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.

What insurance does William Masch accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Blue Cross and Blue Shield of Texas list William Masch 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 William Masch affiliated with any hospitals?

According to CMS data, William Masch is affiliated with Chi St Luke's Health Baylor College Of Medicine Me, St Luke's The Woodlands Hospital, St Luke's Sugar Land Hospital and St Luke's Hospital At The Vintage.

When was this NPI record last updated?

The NPPES record for William Masch was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.