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ASHLEY DUFFIELD NP
NPI 1215300033
Nurse Practitioner in Grand Blanc, MI

Active since November 02, 2015PECOS Enrolled
8435 HOLLY RD, GRAND BLANC, MI 48439(810) 232-5627 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ashley Duffield Np NPPES

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

ASHLEY DUFFIELD NP (NPI 1215300033) is an individual nurse practitioner in Grand Blanc, Michigan, licensed in Michigan (4704272487) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215300033
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameASHLEY DUFFIELDCredential: NP
Location Address8435 HOLLY RDGrand Blanc, MI 48439-1812
Mailing Address3495 S Center RdBurton, MI 48519-1455 · (810) 424-2011 · Fax (810) 249-4037
Phone(810) 232-5627
Sole ProprietorNo
Enumeration DateNovember 2, 2015
Last NPPES UpdateJune 27, 2025
NPPES CertifiedJune 27, 2025
✔ NPI 1215300033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MI · 4704272487
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
8435 HOLLY RD, Grand Blanc, MI 48439
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ashley Duffield Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Ashley Duffield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Henry Ford Medical Group Genesys
4.9 mi
Family Medicine
3495 S CENTER RD
Burton, MI 48519
  • Reassigned Medicare billing, Michigan enrollment
  • 98 clinicians in this Medicare group
NPI 1598248718 (810) 424-2201

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 48439 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.

ANNA LEE ROTH NP
Nurse Practitioner
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 232-5627
MARIANNE GOERGEN PSY.D.
Psychologist (Clinical)
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 424-2400
DR. JOSEPH B SIMMERT DO
Pediatrics
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 232-5627
BARBARA E JUBAR LMSW
Social Worker
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 424-2400
DR. JYOTHI NUTAKKI MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 424-2400
MYRA F. ALLISTON LLP
Psychologist (Cognitive & Behavioral)
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 424-2400
TARA PAULEY MSW
Social Worker (Clinical)
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 603-8800
GENESYS PRACTICE PARTNERS, INC
Psychiatry & Neurology (Psychiatry)
8435 HOLLY RD
GRAND BLANC, MI 48439
Genesee County (810) 424-2400

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 Ashley Duffield's NPI number?

The NPI number for Ashley Duffield is 1215300033. It was assigned to this individual provider in the NPPES registry on November 2, 2015.

Where is Ashley Duffield located?

Ashley Duffield practices at 8435 Holly Rd, Grand Blanc, MI 48439. The listed phone number is (810) 232-5627.

What is Ashley Duffield's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Ashley Duffield enrolled in Medicare?

Yes. Ashley Duffield is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ashley Duffield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Duffield reassigns Medicare benefits to Henry Ford Medical Group Genesys (Burton, MI). The 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 Ashley Duffield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ashley Duffield accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Ashley Duffield 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 Ashley Duffield was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.