Doctor profile · Federal record

Dr. Tammy Willett, AGNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Nurse Practitioner · Flint, MI

  • NPI 1568694776
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 21 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
302 Kensington Ave
Flint, MI 485032044
(810) 762-8400
fax (810) 762-8118
Additional location
13041 N del Webb Blvd, Suite 200
Sun City, AZ 85351
(623) 832-0300
fax (623) 285-2801

Credentials & registration

NPPES · NUCC
NPI registered
August 2009 — 17 yrs on file
Profile last updated
December 1, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (3)
Michigan #4704199297 · Colorado #SNP20012 · Arizona #AP3372

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568694776. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
341
Distinct HCPCS
3
Medicare allowed
$30,459
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 196 148 $80
99215 Established patient office or other outpatient visit, 40-54 minutes 82 72 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 63 44 $80

In context: peer comparison

Among 6 peers in this city , average services per provider: 47. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$65
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 1 $65.00

By nature of payment

Education
$65

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
65
Patients
38
Total drug cost
$15,488
Drug Type Claims Patients Total cost
Letrozole Generic 19 13 $679
Pantoprazole Sodium Generic 18 13 $251
Eliquis (Apixaban) Brand 16 0 $14,428
Nystatin Generic 12 12 $130

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Willett's medical specialty?
Dr. Tammy Willett practices Adult Health Nurse Practitioner in Flint, MI.
Where does Dr. Tammy Willett practice?
Dr. Tammy Willett practices at 302 Kensington Ave, Flint, MI 485032044. Office phone: 8107628400.
What is Dr. Tammy Willett's NPI?
Dr. Tammy Willett's National Provider Identifier (NPI) is 1568694776, issued by NPPES.
Does Dr. Tammy Willett accept Medicare assignment?
Yes. Dr. Tammy Willett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Willett commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.