DR. WHITNEE JANE ESSENMACHER MD
NPI 1831707595
Family Medicine in Saint Johns, MI
About Dr. Whitnee Jane Essenmacher Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WHITNEE JANE ESSENMACHER MD (NPI 1831707595) is an individual family medicine provider in Saint Johns, Michigan, licensed in Michigan (4301512084) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, is affiliated with Edward W Sparrow Hospital, and is a graduate of Central Michigan College Of Medicine (2021).
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
Dr. Whitnee Jane Essenmacher 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 Reassignments
4Medicare enrollment records show Whitnee Essenmacher reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Dewitt, MI 48820
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Portland, MI 48875
- Reassigned Medicare billing, Michigan enrollment
- 317 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Edward W Sparrow Hospital
Acute Care Hospitals · Lansing, MISparrow Clinton Hospital
Critical Access Hospitals · Saint Johns, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48879 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 2
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 Whitnee Essenmacher's NPI number?
The NPI number for Whitnee Essenmacher is 1831707595. It was assigned to this individual provider in the NPPES registry on July 20, 2020.
Where is Whitnee Essenmacher located?
Whitnee Essenmacher practices at 901 S Oakland St Ste 201, Saint Johns, MI 48879. The listed phone number is (989) 224-2338.
What is Whitnee Essenmacher's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Whitnee Essenmacher enrolled in Medicare?
Yes. Whitnee Essenmacher 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 Whitnee Essenmacher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Whitnee Essenmacher reassigns Medicare benefits to 4 organizations: Sparrow Clinton Hospital (Saint Johns, MI), Sparrow Carson Hospital (Fowler, MI), Edward W. Sparrow Hospital Association (Dewitt, MI) and Sparrow Ionia Hospital (Portland, MI). 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 Whitnee Essenmacher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Whitnee Essenmacher accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Whitnee Essenmacher 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 Whitnee Essenmacher affiliated with any hospitals?
According to CMS data, Whitnee Essenmacher is affiliated with Edward W Sparrow Hospital and Sparrow Clinton Hospital.
When was this NPI record last updated?
The NPPES record for Whitnee Essenmacher was last updated on April 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Whitnee Jane Essenmacher, MD · NPI 1831707595
Family Medicine physician in Saint Johns, Michigan. Individual provider, active in the CMS NPPES registry since July 20, 2020.
## Identity
- **NPI:** 1831707595 (Entity type: Individual)
- **Enumerated:** July 20, 2020
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 4301512084 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 901 S OAKLAND ST STE 201, Saint Johns, MI 48879-2255
- **Phone:** (989) 224-2338
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Sparrow Clinton Hospital (NPI 1306893078, Saint Johns, MI); Sparrow Carson Hospital (NPI 1619124328, Fowler, MI); Edward W. Sparrow Hospital Association (NPI 1821041013, Dewitt, MI); Sparrow Ionia Hospital (NPI 1295801108, Portland, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Central Michigan College Of Medicine, class of 2021
## Record status
- **NPPES last updated:** April 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1831707595) · Data from the CMS NPPES public registry.