Doctor profile · Federal record

Dr. Tammy Kirby, ARNP-C

Family Nurse Practitioner · Greenville, MI

  • NPI 1124401351
  • 11 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1202 W Oak St
Greenville, MI 488382155
(616) 754-4685
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
March 17, 2022
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704366668

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124401351. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
31
Distinct HCPCS
2
Medicare allowed
$2,518
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 17 17 $73
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $91

In context: peer comparison

Among 3 peers in Greenville Family Nurse Practitioner, average services per provider: 66. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$69
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Galderma Laboratories, L.P. 3 $52.56
Abbvie INC. 1 $16.20

By nature of payment

Food and Beverage
$69

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
84
Patients
80
Total drug cost
$904
Drug Type Claims Patients Total cost
Prednisone Generic 39 39 $93
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 14 $512
Doxycycline Hyclate Generic 17 16 $201
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $98

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Kirby's medical specialty?
Dr. Tammy Kirby practices Family Nurse Practitioner in Greenville, MI.
Where does Dr. Tammy Kirby practice?
Dr. Tammy Kirby practices at 1202 W Oak St, Greenville, MI 488382155. Office phone: 6167544685.
What is Dr. Tammy Kirby's NPI?
Dr. Tammy Kirby's National Provider Identifier (NPI) is 1124401351, issued by NPPES.
What procedures does Dr. Tammy Kirby commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.