Katherine Fox
NPI 1821759473 · Physician Assistant · Saint Louis, MO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Fox is a Physician Assistant provider in Saint Louis, MO (NPI 1821759473).
Provider details
- NPI number
- 1821759473
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
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
4 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
250 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 48 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $54 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 16 | $7 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 13 | $114 |
Typical Medicare-allowed amounts for these services range $7–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 26 | 19 |
| Atorvastatin Calcium | 24 | — |
| Pantoprazole Sodium | 21 | — |
| Amlodipine Besylate | 18 | — |
| Prednisone | 17 | 17 |
| Azithromycin | 16 | 16 |
| Meloxicam | 16 | — |
Practice location
Mailing address
Additional practice locations (2)
- 1475 Kisker Rd Ste 200Saint Charles, MO 63304-8788Phone: (636) 498-5800
- 1201 S Grand BlvdSaint Louis, MO 63104-1016Phone: (314) 257-8000
Registry dates
- Enumerated
- 2022-01-05
- Last updated
- 2024-05-09
- Certified
- 2024-05-09
Frequently asked questions
- What is Katherine Fox's NPI number?
- Katherine Fox's National Provider Identifier (NPI) is 1821759473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Fox's specialty?
- Katherine Fox is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Fox located?
- Katherine Fox's practice location on file with NPPES is 3437 Caroline St, Saint Louis, MO 63104-1111.
- What is Katherine Fox's phone number?
- The practice phone number listed in the NPPES registry for Katherine Fox is (314) 977-8641.
- Does Katherine Fox accept Medicare?
- Katherine Fox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Fox's NPI active?
- Yes — Katherine Fox's NPI (1821759473) is active in the NPPES registry as of the last update on 2024-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.