NPPES file of Aug 9, 2026

Debra K. Gremminger, FNP

Family Nurse Practitioner · Crystal City, MO

Debra K. Gremminger, FNP is a family nurse practitioner with a practice address in Crystal City, Missouri, and NPI 1023265147, issued on Aug 20, 2008. Check the license (Missouri 154686, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023265147
Name
Debra K. Gremminger
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
154686 MO
Self-reported in NPPES; status is on the state search
Practice location
1400 US Highway 61 South, Crystal City, MO 63019
Phone
(636) 933-1111
Enumerated
Aug 20, 2008
Record last updated
Aug 20, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20081112000089); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Debra K. Gremminger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 154686    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

80% fewer Medicare Part D claims than the average family nurse practitioner in 2024

259 Medicare Part D claims for 187 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 84 claims were for opioids.

  1. Debra Gremminger259
  2. Specialty average1,305

Most prescribed

  1. Hydrocodone-Acetaminophen79 claims
  2. Prednisone18 claims
  3. Nitrofurantoin Mono-Macro14 claims
  4. Ondansetron Hcl13 claims
  5. Amoxicillin-Clavulanate Potass12 claims
  6. Doxycycline Hyclate12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital affiliation

  1. Mercy Hospital JeffersonFestus, MO · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3 family nurse practitioner records list a practice address in Crystal City

They are 3 of the 60 NPPES records with a practice address in Crystal City, and 5,226 family nurse practitioner records in Missouri.

All 3 in Crystal City → All 5,226 in Missouri → Every provider in Crystal City →

Other family nurse practitioner records in Missouri

  1. Sara Abben, APRNGrandview, MO1760105274
  2. Andrea Abbott, FNP-CChesterfield, MO1588003842
  3. Dana Abdel Jawad, DNP, APRN, FNP-CKansas City, MO1245185974
  4. Zara Abdush-Shakir Bever, FNPKansas City, MO1265283923
  5. Patricia Abele, NPChesterfield, MO1265418057
  6. Abisola AbimbolaSaint Louis, MO1083440457
  7. Melissa Abramovitz, FNP-BCKansas City, MO1679170005
  8. Ana Abrudan-Danalache, FNPWillard, MO1053035394
  9. Karen Abt, FNPCape Girardeau, MO1144672577
  10. Nadeen AbusalimKansas City, MO1437030954

Common questions

What is Debra K. Gremminger, FNP's NPI number?

Debra K. Gremminger, FNP's National Provider Identifier (NPI) is 1023265147, issued on Aug 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Debra K. Gremminger, FNP located?

The NPPES record lists a practice address at 1400 US Highway 61 South, Crystal City, MO, 63019. Phone: (636) 933-1111. Providers update this record themselves, so call before visiting.

How can I verify Debra K. Gremminger, FNP's license?

NPPES lists Missouri license number 154686, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Debra K. Gremminger, FNP prescribe under Medicare Part D?

In 2024, Debra K. Gremminger, FNP had 259 Medicare Part D claims for 187 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.