ALISSA WHITTAKER FNP
NPI 1033540638
Nurse Practitioner - Family in Plymouth, IN
About Alissa Whittaker Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISSA WHITTAKER FNP (NPI 1033540638) is an individual family provider in Plymouth, Indiana, licensed in Indiana (71004885A) and active in the NPI registry since December 2013. She is enrolled in Medicare PECOS, is affiliated with Saint Joseph Regional Medical Center - Plymouth, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Alissa Whittaker Fnp 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
2Medicare enrollment records show Alissa Whittaker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Plymouth, IN 46563
- Reassigned Medicare billing, Indiana enrollment
- 3 clinicians in this Medicare group
Warsaw, IN 46580
- Reassigned Medicare billing, Indiana enrollment
- 260 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Joseph Regional Medical Center - Plymouth
Acute Care Hospitals · Plymouth, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46563 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PLYMOUTH, IN 46563
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 Alissa Whittaker's NPI number?
The NPI number for Alissa Whittaker is 1033540638. It was assigned to this individual provider in the NPPES registry on December 6, 2013.
Where is Alissa Whittaker located?
Alissa Whittaker practices at 113 N Michigan St, Plymouth, IN 46563. The listed phone number is (574) 936-2643.
What is Alissa Whittaker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Alissa Whittaker enrolled in Medicare?
Yes. Alissa Whittaker 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 Alissa Whittaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alissa Whittaker reassigns Medicare benefits to 2 organizations: Diagnostic Medicine P.C. (Plymouth, IN) and Bowen Health Inc (Warsaw, IN). 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 Alissa Whittaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alissa Whittaker accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Alissa Whittaker 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 Alissa Whittaker affiliated with any hospitals?
According to CMS data, Alissa Whittaker is affiliated with Saint Joseph Regional Medical Center - Plymouth.
When was this NPI record last updated?
The NPPES record for Alissa Whittaker was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Alissa Whittaker, FNP · NPI 1033540638
Family physician in Plymouth, Indiana. Individual provider, active in the CMS NPPES registry since December 6, 2013.
## Identity
- **NPI:** 1033540638 (Entity type: Individual)
- **Enumerated:** December 6, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 71004885A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 113 N MICHIGAN ST, Plymouth, IN 46563-2132
- **Phone:** (574) 936-2643 · **Fax:** (574) 540-4001
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Diagnostic Medicine P.C. (NPI 1255439022, Plymouth, IN); Bowen Health Inc (NPI 1639172810, Warsaw, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 5, 2025
- **Other identifiers:** Other IN5586003 (IN); Medicaid 201222850 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1033540638) · Data from the CMS NPPES public registry.