DR. HEATHER CASTILE FNP-BC
NPI 1881301489
Nurse Practitioner - Family in Saginaw, MI

Active since November 02, 2022PECOS EnrolledAccepts Medicare Assignment
4760 FASHION SQUARE BLVD STE L-1, SAGINAW, MI 48604(989) 282-4003(888) 491-7220 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 29, 2026, Nov 2, 2022 (2 updates tracked since 2022).

About Dr. Heather Castile Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HEATHER CASTILE FNP-BC (NPI 1881301489) is an individual family provider in Saginaw, Michigan, licensed in Michigan (4704326730) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2022).

NPPES Registry Identity

NPI1881301489
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. HEATHER CASTILECredential: FNP-BC
Location Address4760 FASHION SQUARE BLVD STE L-1Saginaw, MI 48604-2620
Mailing Address801 Rosehill RdJackson, MI 49202-1762 · (517) 212-2008 · Fax (517) 212-9023
Fax(888) 491-7220
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 2022
Enumeration DateNovember 2, 2022
Last NPPES UpdateJuly 29, 20262 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1881301489 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MI · 4704326730
Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License 4704326730 (MI)
4760 FASHION SQUARE BLVD STE L-1, Saginaw, MI 48604

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. Heather Castile Fnp-bc 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.

PECOS PAC ID2264806512
PECOS Enrollment IDI20230328001352
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Heather Castile reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
4760 FASHION SQUARE BLVD STE L-1
Saginaw, MI 48604
  • Reassigned Medicare billing, Michigan enrollment
  • 82 clinicians in this Medicare group
Hospice and Palliative Medicine
801 ROSEHILL RD
Jackson, MI 49202
  • Reassigned Medicare billing, Michigan enrollment
  • 73 clinicians in this Medicare group
Family Medicine
770 KENMOOR AVE SE STE 100
Grand Rapids, MI 49546
  • Reassigned Medicare billing, Michigan enrollment
  • 72 clinicians in this Medicare group
Nurse Practitioner
8820 COLUMBIA 100 PKWY STE 430
Columbia, MD 21045
  • Reassigned Medicare billing, Michigan enrollment
  • 52 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 48604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Nurse Practitioner (Family)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner (Family)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner (Family)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner (Family)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner (Family)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner (Family)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604
Nurse Practitioner (Gerontology)
4760 FASHION SQUARE BLVD STE L-1
SAGINAW, MI 48604

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 Heather Castile's NPI number?

The NPI number for Heather Castile is 1881301489. It was assigned to this individual provider in the NPPES registry on November 2, 2022.

Where is Heather Castile located?

Heather Castile practices at 4760 Fashion Square Blvd Ste L-1, Saginaw, MI 48604. The listed phone number is (989) 282-4003.

What is Heather Castile's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Heather Castile enrolled in Medicare?

Yes. Heather Castile 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 Heather Castile's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Castile reassigns Medicare benefits to 4 organizations: Northview Medical House Calls Plc (Saginaw, MI), Careline Palliative Care LLC (Jackson, MI), Northview Health Specialists, PLLC (Grand Rapids, MI) and Provider Partners Care Management LP (Columbia, MD). 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 Heather Castile's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Heather Castile accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Heather Castile 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 Heather Castile was last updated on July 29, 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.