Doctor profile · Federal record

Dr. Debra Gremminger, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Crystal City, MO

  • NPI 1023265147
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 US Highway 61 South
Crystal City, MO 63019
(636) 933-1111
Mailing address
109 Glenfield Dr
Festus, MO 630284623

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Missouri #154686

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023265147. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
127
Distinct HCPCS
3
Medicare allowed
$13,200
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 97 95 $102
99285 Emergency department visit with high level of medical decision making 18 18 $142
99283 Emergency department visit with low level of medical decision making 12 12 $61

In context: peer comparison

Among 2 peers in Crystal City Family Nurse Practitioner, average services per provider: 35. This provider delivers 3.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
128
Patients
128
Total drug cost
$697
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 90 90 $359
Prednisone Generic 20 20 $42
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 18 18 $296

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Debra Gremminger's medical specialty?
Dr. Debra Gremminger practices Family Nurse Practitioner in Crystal City, MO.
Where does Dr. Debra Gremminger practice?
Dr. Debra Gremminger practices at 1400 US Highway 61 South, Crystal City, MO 63019. Office phone: 6369331111.
What is Dr. Debra Gremminger's NPI?
Dr. Debra Gremminger's National Provider Identifier (NPI) is 1023265147, issued by NPPES.
Does Dr. Debra Gremminger accept Medicare assignment?
Yes. Dr. Debra Gremminger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Debra Gremminger commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.