Doctor profile · Federal record

Dr. Tammy Flanders, APN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Sycamore, IL

  • NPI 1265847131
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
661 S Peace RD
Sycamore, IL 601781642
(815) 991-3571
fax (815) 991-3572
Additional location
1200 W State St
Rockford, IL 611022112
(815) 490-1600
fax (815) 490-1881
Mailing address
1200 W State St
Rockford, IL 611022112

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
March 9, 2026
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Illinois #2013017052 · Wisconsin #5994-33

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265847131. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
473
Distinct HCPCS
7
Medicare allowed
$43,013
HCPCS Description Services Patients Avg allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 218 100 $103
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 153 53 $86
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 32 25 $50
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 25 21 $123
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 21 13 $38
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 13 12 $62
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes 11 11 $117

In context: peer comparison

Among 6 peers in this city , average services per provider: 73. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
489
Patients
0
Total drug cost
$21,637
Drug Type Claims Patients Total cost
Furosemide Generic 60 0 $403
Buspirone Hcl Generic 55 0 $759
Levothyroxine Sodium Generic 43 0 $621
Trazodone Hcl Generic 38 0 $468
Quetiapine Fumarate Generic 36 0 $1,122
Levetiracetam Generic 32 0 $723
Olanzapine Generic 31 0 $312
Eliquis (Apixaban) Brand 27 0 $11,968
Metoprolol Tartrate Generic 26 0 $146
Glimepiride Generic 24 0 $331

Frequently asked questions

Auto-generated from federal data
What is Dr. Tammy Flanders's medical specialty?
Dr. Tammy Flanders practices Family Nurse Practitioner in Sycamore, IL.
Where does Dr. Tammy Flanders practice?
Dr. Tammy Flanders practices at 661 S Peace RD, Sycamore, IL 601781642. Office phone: 8159913571.
What is Dr. Tammy Flanders's NPI?
Dr. Tammy Flanders's National Provider Identifier (NPI) is 1265847131, issued by NPPES.
Does Dr. Tammy Flanders accept Medicare assignment?
Yes. Dr. Tammy Flanders accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Flanders commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Chronic care management services (HCPCS 99490). Source: CMS Medicare Physician & Other Practitioners file.