TAMMY S WILLETT AGNP
NPI 1568694776
Nurse Practitioner - Adult Health in Flint, MI

Q: What is Tammy Willett's NPI number?

The NPI number for Tammy Willett is 1568694776. It was assigned to this individual provider in the NPPES registry on August 20, 2009.

Q: What is Tammy Willett's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Tammy Willett was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since August 20, 2009PECOS EnrolledAccepts Medicare Assignment

81.49/100

CMS Quality Rating

302 KENSINGTON AVE, FLINT, MI 48503(810) 762-8400(810) 762-8118 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 1, 2025, Aug 14, 2025, Oct 3, 2022 (3 updates tracked since 2022).

On this page

About Tammy S Willett Agnp NPPES

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

TAMMY S WILLETT AGNP (NPI 1568694776) is an individual adult health provider in Flint, Michigan, licensed in Michigan (4704199297) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and maintains a secondary practice location in Sun City.

NPPES Registry Identity

NPI1568694776

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameTAMMY S WILLETTCredential: AGNP

Location Address302 KENSINGTON AVEFlint, MI 48503-2044

Mailing Address302 Kensington AveFlint, MI 48503-2044 · (810) 762-8400 · Fax (810) 762-8118

Phone(810) 762-8400

Fax(810) 762-8118

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateAugust 20, 2009

Last NPPES UpdateDecember 1, 20253 updates tracked since enumeration

NPPES CertifiedDecember 1, 2025

✔ NPI 1568694776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in MI · 4704199297

Also ListedNurse PractitionerTaxonomy 363L00000X · License SNP20012 (CO), AP3372 (AZ)

302 KENSINGTON AVE, Flint, MI 48503

Open in Google Maps ↗

Secondary Practice Location 1

Location 113041 N Del Webb Blvd, Suite 200Sun City, AZ 85351 · Phone (623) 832-0300 · Fax (623) 285-2801

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tammy S Willett Agnp 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 ID1557404217

PECOS Enrollment IDI20251216002432

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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

476 services300 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

103 services92 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230038

Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48503 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.49/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Promoting Interoperability

100

Improvement Activities

Cost

38.3

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.

DOUGLAS MATTHEW IDDINGS DO

Surgery (Surgical Oncology)