LOIS L ROBERTSON CRNA
NPI 1225128960
Nurse Anesthetist, Certified Registered in Midland, MI
About Lois L Robertson Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LOIS L ROBERTSON CRNA (NPI 1225128960) is an individual nurse anesthetist, certified registered in Midland, Michigan, licensed in Michigan (4704160249) and active in the NPI registry since October 2006. She is affiliated with Covenant Medical Center and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Lois L Robertson Crna 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 Reassignments
7Medicare enrollment records show Lois Robertson reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 35 clinicians in this Medicare group
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 88 clinicians in this Medicare group
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 126 clinicians in this Medicare group
Saginaw, MI 48604
- Reassigned Medicare billing, Michigan enrollment
- 7 clinicians in this Medicare group
Cadillac, MI 49601
- Reassigned Medicare billing, Michigan enrollment
- 62 clinicians in this Medicare group
Gaylord, MI 49735
- Reassigned Medicare billing, Michigan enrollment
- 63 clinicians in this Medicare group
Traverse City, MI 49686
- Reassigned Medicare billing, Michigan enrollment
- 191 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Covenant Medical Center
Acute Care Hospitals · Saginaw, MIMunson Healthcare Cadillac Hospital
Acute Care Hospitals · Cadillac, MIMunson Healthcare Otsego Memorial Hospital
Acute Care Hospitals · Gaylord, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48670 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MIDLAND, MI 48670
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 Lois Robertson's NPI number?
The NPI number for Lois Robertson is 1225128960. It was assigned to this individual provider in the NPPES registry on October 13, 2006.
Where is Lois Robertson located?
Lois Robertson practices at 4005 Orchard Dr, Midland, MI 48670. The listed phone number is (989) 839-3000.
What is Lois Robertson's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Lois Robertson enrolled in Medicare?
Yes. Lois Robertson 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 Lois Robertson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lois Robertson reassigns Medicare benefits to 7 organizations: Mid Michigan Anesthesiology Group, PC (Midland, MI), Mymichigan Medical Center Midland (Midland, MI), Covenant Medical Center, Inc. (Saginaw, MI), Andersen Eye Surgery Center, LLC (Saginaw, MI), Munson Healthcare Cadillac (Cadillac, MI) and 2 more organizations, listed in the Medicare section above. 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 Lois Robertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lois Robertson accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Lois Robertson 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 Lois Robertson affiliated with any hospitals?
According to CMS data, Lois Robertson is affiliated with Covenant Medical Center, Munson Healthcare Cadillac Hospital and Munson Healthcare Otsego Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Lois Robertson was last updated on July 9, 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.
# Lois L Robertson, CRNA · NPI 1225128960
Nurse Anesthetist, Certified Registered physician in Midland, Michigan. Individual provider, active in the CMS NPPES registry since October 13, 2006.
## Identity
- **NPI:** 1225128960 (Entity type: Individual)
- **Enumerated:** October 13, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4704160249 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4005 ORCHARD DR, Midland, MI 48670-0001
- **Phone:** (989) 839-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Mid Michigan Anesthesiology Group, PC (NPI 1932131349, Midland, MI); Mymichigan Medical Center Midland (NPI 1770668683, Midland, MI); Covenant Medical Center, Inc. (NPI 1225151897, Saginaw, MI); Andersen Eye Surgery Center, LLC (NPI 1124071550, Saginaw, MI); Munson Healthcare Cadillac (NPI 1871991596, Cadillac, MI); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Other LR160249 (MI); Medicare ID-Type Unspecified 0E66022036 (MI); Medicaid 3409404 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1225128960) · Data from the CMS NPPES public registry.