Doctor profile · Federal record

Dr. Mary Keller, M.D.

Surgery Physician (CMS: General Surgery) · Rockford, IL

  • NPI 1275567703
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5668 E State St
Rockford, IL 611082464
(815) 229-7580
fax (815) 229-7585

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 6, 2015
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Illinois #036107717
Medicaid
IL #036107717

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275567703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,968
Distinct HCPCS
10
Medicare allowed
$99,127
HCPCS Description Services Patients Avg allowed
97598 Removal of tissue from wound, each additional 20.0 sq cm 838 14 $24
99213 Established patient office or other outpatient visit, 20-29 minutes 582 123 $64
97597 Removal of tissue from wound, 20.0 sq cm or less 180 50 $35
99212 Established patient office or other outpatient visit, 10-19 minutes 76 64 $54
99203 New patient office or other outpatient visit, 30-44 minutes 47 47 $81
17250 Application of chemical to stop tissue regrowth in wound 35 16 $36
99214 Established patient office or other outpatient visit, 30-39 minutes 33 18 $95
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 13 $49
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $108
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $130

In context: peer comparison

Among 5 peers in Rockford Surgery Physician, average services per provider: 76. This provider delivers 26× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
87
Patients
62
Total drug cost
$2,637
Drug Type Claims Patients Total cost
Gentamicin Sulfate Generic 46 31 $2,414
Mupirocin Generic 24 16 $188
Tramadol Hcl Generic 17 15 $35

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Keller's medical specialty?
Dr. Mary Keller practices Surgery Physician in Rockford, IL.
Where does Dr. Mary Keller practice?
Dr. Mary Keller practices at 5668 E State St, Rockford, IL 611082464. Office phone: 8152297580.
What is Dr. Mary Keller's NPI?
Dr. Mary Keller's National Provider Identifier (NPI) is 1275567703, issued by NPPES.
Does Dr. Mary Keller accept Medicare assignment?
Yes. Dr. Mary Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Keller commonly perform?
Top Medicare-reported procedures in 2023: Removal of tissue from wound, each additional 20.0 sq cm (HCPCS 97598); Established patient office or other outpatient visit (HCPCS 99213); Removal of tissue from wound, 20.0 sq cm or less (HCPCS 97597). Source: CMS Medicare Physician & Other Practitioners file.