Debra Gremminger, FNP
NPI 1023265147 · Family Nurse Practitioner · Crystal City, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Debra Gremminger, FNP is a Family Nurse Practitioner provider in Crystal City, MO (NPI 1023265147).
Provider details
- NPI number
- 1023265147
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 154686 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
107 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 78 | $99 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 29 | $139 |
Typical Medicare-allowed amounts for these services range $99–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 79 | 77 |
| Prednisone | 18 | 18 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 14 | 14 |
| Ondansetron Hcl | 13 | 13 |
| Doxycycline Hyclate | 12 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 12 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-20
- Last updated
- 2008-08-20
Frequently asked questions
- What is Debra Gremminger's NPI number?
- Debra Gremminger's National Provider Identifier (NPI) is 1023265147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Debra Gremminger's specialty?
- Debra Gremminger is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Debra Gremminger located?
- Debra Gremminger's practice location on file with NPPES is 1400 US Highway 61 South, Crystal City, MO 63019.
- What is Debra Gremminger's phone number?
- The practice phone number listed in the NPPES registry for Debra Gremminger is (636) 933-1111.
- Does Debra Gremminger accept Medicare?
- Debra Gremminger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Debra Gremminger's NPI active?
- Yes — Debra Gremminger's NPI (1023265147) is active in the NPPES registry as of the last update on 2008-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.