CHRISTINA LYNN MASER MD
NPI 1073571774
Surgery in Saginaw, MI
About Christina Lynn Maser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA LYNN MASER MD (NPI 1073571774) is an individual surgery provider in Saginaw, Michigan, licensed in Michigan (4301073853) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Covenant Medical Center, and is a graduate of Michigan State University College Of Human Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
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
Christina Lynn Maser Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Christina Maser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 194 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 7
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Covenant Medical Center
Acute Care Hospitals · Saginaw, MIAscension St Mary's Hospital
Acute Care Hospitals · Saginaw, MIMymichigan Medical Center West Branch
Acute Care Hospitals · West Branch, MIMymichigan Medical Center Midland
Acute Care Hospitals · Midland, MIPhysician 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.
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.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Christina Maser's NPI number?
The NPI number for Christina Maser is 1073571774. It was assigned to this individual provider in the NPPES registry on May 2, 2006.
Where is Christina Maser located?
Christina Maser practices at 912 S Washington Ave Ste 1, Saginaw, MI 48601. The listed phone number is (989) 790-1001.
What is Christina Maser's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Christina Maser enrolled in Medicare?
Yes. Christina Maser 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 Christina Maser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christina Maser reassigns Medicare benefits to Saginaw Cooperative Hospitals, Inc (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 Christina Maser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christina Maser accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Christina Maser 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 Christina Maser affiliated with any hospitals?
According to CMS data, Christina Maser is affiliated with Covenant Medical Center, Ascension St Mary's Hospital, Mymichigan Medical Center West Branch and Mymichigan Medical Center Midland.
When was this NPI record last updated?
The NPPES record for Christina Maser was last updated on September 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Christina Lynn Maser, MD · NPI 1073571774
Surgery physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since May 2, 2006.
## Identity
- **NPI:** 1073571774 (Entity type: Individual)
- **Enumerated:** May 2, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 4301073853 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 912 S WASHINGTON AVE STE 1, Saginaw, MI 48601-2578
- **Phone:** (989) 790-1001
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Saginaw Cooperative Hospitals, Inc (NPI 1184711038, Saginaw, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 1999
## Record status
- **NPPES last updated:** September 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1073571774) · Data from the CMS NPPES public registry.