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DIANE WELKER NP
NPI 1811009103
Nurse Practitioner - Adult Health in Grand Blanc, MI

Active since August 31, 2006PECOS Enrolled
2605 GENESYS PKWY, GRAND BLANC, MI 48439(810) 606-7670(810) 606-7675 Get Directions Write a Review

NPPES record last updated: September 20, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Diane Welker Np NPPES

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

DIANE WELKER NP (NPI 1811009103) is an individual adult health provider in Grand Blanc, Michigan, licensed in Michigan (4704147537) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811009103
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameDIANE WELKERCredential: NP
Location Address2605 GENESYS PKWYGrand Blanc, MI 48439-8069
Mailing Address3495 S Center RdBurton, MI 48519-1455 · (810) 424-2007 · Fax (810) 743-1099
Phone(810) 606-7670
Fax(810) 606-7675
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateSeptember 20, 2007
✔ NPI 1811009103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MI · 4704147537
2605 GENESYS PKWY, Grand Blanc, MI 48439
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Other Identifiers 2

Medicare UPINQ17598MI
Medicare PINN72340046MI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diane Welker 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 Diane Welker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Hurley Medical Center
9.6 mi
Nurse Practitioner
1 HURLEY PLZ
Flint, MI 48503
  • Reassigned Medicare billing, Michigan enrollment
  • 51 clinicians in this Medicare group
NPI 1053347880 (810) 262-9000

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.

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 Diane Welker's NPI number?

The NPI number for Diane Welker is 1811009103. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Diane Welker located?

Diane Welker practices at 2605 Genesys Pkwy, Grand Blanc, MI 48439. The listed phone number is (810) 606-7670.

What is Diane Welker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Diane Welker enrolled in Medicare?

Yes. Diane Welker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diane Welker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Welker reassigns Medicare benefits to Hurley Medical Center (Flint, 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 Diane Welker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diane Welker was last updated on September 20, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.