Katherine Gruenkemeyer, RN CPNP
Pediatric Nurse Practitioner · Saint Louis, MO
Katherine Gruenkemeyer, RN CPNP is a pediatric nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1770723132, issued on Feb 25, 2009. Check the license (Missouri 2005023014, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Gruenkemeyer
- Credential
- RN CPNP
- Primary taxonomy
- Pediatric Nurse Practitioner 363LP0200X
- License number
- 2005023014 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1465 S Grand Blvd, Saint Louis, MO 63104
- Phone
- (314) 577-5351
- Enumerated
- Feb 25, 2009
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (314) 268-4151
- Medicare enrollment
- Enrolled (PECOS I20151023000841); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric nurse practitioner records → All 896 in Missouri → Look up another NPI →
Also registered at 1465 S Grand Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michel Adonis, M.D.Pediatrics Physician1497190854
- Attila Ahmad, MDPediatric Cardiology Physician1245842699
- Emily Ahmad, CPNP-PCPediatric Nurse Practitioner1871875104
- Muteen Ahmed, M.B.B.S.Student in an Organized Health Care Education/Training Program1437950466
Verify Katherine Gruenkemeyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2005023014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average pediatric nurse practitioner in 2024
494 Medicare Part D claims for 18 beneficiaries, against an average of 206 among the 854 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Sulfamethoxazole-Trimethoprim53 claims
- Calcitriol48 claims
- Amlodipine Besylate34 claims
- Valganciclovir Hcl34 claims
- Famotidine33 claims
- Prednisone27 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.
Bills Medicare through one group practice
- Ssm Cardinal Glennon Children's HospitalSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Gruenkemeyer among 896 pediatric nurse practitioner records in Missouri
Katherine Gruenkemeyer, RN CPNP is one of 896 pediatric nurse practitioner records with a practice address in Missouri. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 30% of them.
- NPI issued2009 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 10% of these records are
- Graduated2009 · median 2018 among the 91 with a school on file
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
381 pediatric nurse practitioner records list a practice address in Saint Louis
They are 381 of the 27,605 NPPES records with a practice address in Saint Louis, and 896 pediatric nurse practitioner records in Missouri.
All 896 in Missouri → Every provider in Saint Louis → Pediatric Nurse Practitioner nationwide →
The 8 pediatric nurse practitioner records with the nearest ZIP codes
- Lindsay Brefeld, PNP-C, APNSaint Louis, MO 631041114928629
- Cara Christanell, RN CPNPSaint Louis, MO 631041912975764
- Michael Czajka, APRN-CNPSaint Louis, MO 631041912941451
- Jenny Furtak, PNPSaint Louis, MO 631041720265077
- Alicia Hamilton, CPNPSaint Louis, MO 631041780602250
- Linda Haycraft, ANPSaint Louis, MO 631041134317076
- Laura Hotle, CPNPSaint Louis, MO 631041528043767
- Laura Meier, CPNPSaint Louis, MO 631041083891279
Common questions
What is Katherine Gruenkemeyer, RN CPNP's NPI number?
Katherine Gruenkemeyer, RN CPNP's National Provider Identifier (NPI) is 1770723132, issued on Feb 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Gruenkemeyer, RN CPNP located?
The NPPES record lists a practice address at 1465 S Grand Blvd, Saint Louis, MO, 63104. Phone: (314) 577-5351. Providers update this record themselves, so call before visiting.
How can I verify Katherine Gruenkemeyer, RN CPNP's license?
NPPES lists Missouri license number 2005023014, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Gruenkemeyer, RN CPNP prescribe under Medicare Part D?
In 2024, Katherine Gruenkemeyer, RN CPNP had 494 Medicare Part D claims for 18 beneficiaries; the average among pediatric nurse practitioner prescribers was 206. 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.
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.