Katherine Gruenkemeyer, RN CPNP
NPI 1770723132 · Pediatric Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Gruenkemeyer, RN CPNP is a Pediatric Nurse Practitioner provider in Saint Louis, MO (NPI 1770723132).
Provider details
- NPI number
- 1770723132
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2005023014 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
99 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 46 | $79 |
Typical Medicare-allowed amounts for these services range $79–$109 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 53 |
| Calcitriol | 48 |
| Amlodipine Besylate | 34 |
| Valganciclovir Hcl | 34 |
| Famotidine | 33 |
| Prednisone | 27 |
| Omeprazole | 26 |
| Esomeprazole Magnesium | 25 |
| Amlodipine Benzoatebrand: Katerzia | 23 |
| Clonidine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-02-25
- Last updated
- 2020-10-28
- Certified
- 2020-10-28
Frequently asked questions
- What is Katherine Gruenkemeyer's NPI number?
- Katherine Gruenkemeyer's National Provider Identifier (NPI) is 1770723132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Gruenkemeyer's specialty?
- Katherine Gruenkemeyer is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Gruenkemeyer located?
- Katherine Gruenkemeyer's practice location on file with NPPES is 1465 S Grand Blvd, Saint Louis, MO 63104-1003.
- What is Katherine Gruenkemeyer's phone number?
- The practice phone number listed in the NPPES registry for Katherine Gruenkemeyer is (314) 577-5351.
- Does Katherine Gruenkemeyer accept Medicare?
- Katherine Gruenkemeyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Gruenkemeyer's NPI active?
- Yes — Katherine Gruenkemeyer's NPI (1770723132) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.