Katherine Schaub, DNP, FNP-C
NPI 1538686654 · Family Nurse Practitioner · Phoenix, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Schaub, DNP, FNP-C is a Family Nurse Practitioner provider in Phoenix, AZ (NPI 1538686654).
Provider details
- NPI number
- 1538686654
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP10543 (AZ)
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 tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
53 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 35 | $105 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $74 |
Typical Medicare-allowed amounts for these services range $74–$105 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Emtricitabine/Tenofov Alafenambrand: Descovy | 38 | — |
| Doxycycline Hyclate | 29 | 20 |
| Amlodipine Besylate | 24 | — |
| Fluticasone Propionate | 24 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 21 | 11 |
| Rosuvastatin Calcium | 19 | — |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$787 across 31 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-29
- Last updated
- 2020-03-31
- Certified
- 2020-03-31
Frequently asked questions
- What is Katherine Schaub's NPI number?
- Katherine Schaub's National Provider Identifier (NPI) is 1538686654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Schaub's specialty?
- Katherine Schaub is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Schaub located?
- Katherine Schaub's practice location on file with NPPES is 52 E Monterey Way, Phoenix, AZ 85012-2628.
- What is Katherine Schaub's phone number?
- The practice phone number listed in the NPPES registry for Katherine Schaub is (602) 604-9500.
- Does Katherine Schaub accept Medicare?
- Katherine Schaub is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Schaub's NPI active?
- Yes — Katherine Schaub's NPI (1538686654) is active in the NPPES registry as of the last update on 2020-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.