ERIKA PHILLIS WARTENA MD
NPI 1285686022
Psychiatry & Neurology - Psychiatry in Battle Creek, MI
About Erika Phillis Wartena Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIKA PHILLIS WARTENA MD (NPI 1285686022) is an individual psychiatry provider in Battle Creek, Michigan, licensed in California (A79256) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
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 (PECOS)
Erika Phillis Wartena Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Erika Wartena reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49505
- Reassigned Medicare billing, Michigan enrollment
- 41 clinicians in this Medicare group
Ypsilanti, MI 48197
- Reassigned Medicare billing, Michigan enrollment
- 180 clinicians in this Medicare group
Patton, CA 92369
- Reassigned Medicare billing, California enrollment
- 755 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 900 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49037 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.
BATTLE CREEK, MI 49037
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 Erika Wartena's NPI number?
The NPI number for Erika Wartena is 1285686022. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Erika Wartena located?
Erika Wartena practices at 5500 Armstrong Rd, Battle Creek, MI 49037. The listed phone number is (269) 966-5600.
What is Erika Wartena's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Erika Wartena enrolled in Medicare?
Yes. Erika Wartena is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Erika Wartena's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erika Wartena reassigns Medicare benefits to 4 organizations: State Of Michigan Office Of Financial Management (Grand Rapids, MI), St Joseph Mercy Hospital (Ypsilanti, MI), Department Of State Hospitals (Patton, CA) and Alameda Health System (Newark, CA). 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 Erika Wartena's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erika Wartena accept?
Health plans from Oscar Insurance Company list Erika Wartena 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.
When was this NPI record last updated?
The NPPES record for Erika Wartena was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Erika Phillis Wartena, MD · NPI 1285686022
Psychiatry physician in Battle Creek, Michigan. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1285686022 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A79256 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5500 ARMSTRONG RD, Battle Creek, MI 49037-7314
- **Phone:** (269) 966-5600
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): State Of Michigan Office Of Financial Management (NPI 1710989298, Grand Rapids, MI); St Joseph Mercy Hospital (NPI 1174641245, Ypsilanti, MI); Department Of State Hospitals (NPI 1043249204, Patton, CA); Alameda Health System (NPI 1497956288, Newark, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1285686022) · Data from the CMS NPPES public registry.