Doctor profile · Federal record

Dr. Deana Mayer, APN, CNP

Nurse Practitioner · Rockford, IL

  • NPI 1558897421
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5666 E State St
Rockford, IL 611082425
(815) 921-8929
fax (815) 227-2639

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209.014740

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558897421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
164
Distinct HCPCS
4
Medicare allowed
$16,342
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 73 70 $144
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 27 $66
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 34 26 $42
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 18 $99

In context: peer comparison

Among 37 peers in Rockford Nurse Practitioner, average services per provider: 189. This provider delivers 0.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Deana Mayer's medical specialty?
Dr. Deana Mayer practices Nurse Practitioner in Rockford, IL.
Where does Dr. Deana Mayer practice?
Dr. Deana Mayer practices at 5666 E State St, Rockford, IL 611082425. Office phone: 8159218929.
What is Dr. Deana Mayer's NPI?
Dr. Deana Mayer's National Provider Identifier (NPI) is 1558897421, issued by NPPES.
Does Dr. Deana Mayer accept Medicare assignment?
Yes. Dr. Deana Mayer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deana Mayer commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.