DOROTHY MARTINEZ MSN, APRN, NP-C
NPI 1326646050
Nurse Practitioner in Lansing, MI
About Dorothy Martinez Msn, Aprn, Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOROTHY MARTINEZ MSN, APRN, NP-C (NPI 1326646050) is an individual nurse practitioner in Lansing, Michigan, licensed in Michigan (4704271428) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
Dorothy Martinez Msn, Aprn, Np-c 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
4Medicare enrollment records show Dorothy Martinez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lansing, MI 48915
- Reassigned Medicare billing, Michigan enrollment
- 84 clinicians in this Medicare group
Saint Johns, MI 48879
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1093809824 (Michigan)
- 114 clinicians in this Medicare group
Fowler, MI 48835
- Reassigned Medicare billing, Michigan enrollment
- 215 clinicians in this Medicare group
Lancaster, NY 14043
- Reassigned Medicare billing, New York enrollment
- 11 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48915 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.
LANSING, MI 48915
LANSING, MI 48915
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 Dorothy Martinez's NPI number?
The NPI number for Dorothy Martinez is 1326646050. It was assigned to this individual provider in the NPPES registry on October 14, 2020.
Where is Dorothy Martinez located?
Dorothy Martinez practices at 1210 W Saginaw St, Lansing, MI 48915. The listed phone number is (517) 364-7750.
What is Dorothy Martinez's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Dorothy Martinez enrolled in Medicare?
Yes. Dorothy Martinez 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 Dorothy Martinez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Martinez reassigns Medicare benefits to 4 organizations: Edward W. Sparrow Hospital Association (Lansing, MI), Sparrow Clinton Hospital (Saint Johns, MI), Sparrow Carson Hospital (Fowler, MI) and Vascular-Interventional Associates, P.C. (Lancaster, NY). 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 Dorothy Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Dorothy Martinez was last updated on September 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.