Katharine Walker, PA-C
NPI 1497855894 · Physician Assistant · Saint Paul, MN
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Walker, PA-C is a Physician Assistant provider in Saint Paul, MN (NPI 1497855894).
Provider details
- NPI number
- 1497855894
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 10094 (MN)
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
19 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
348 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 | 83 | $104 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 77 | $8 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 51 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $73 |
| Hemoglobin A1c Level83036 | 31 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 231 | 78 |
| Lisinopril | 179 | 50 |
| Amlodipine Besylate | 164 | 49 |
| Levothyroxine Sodium | 150 | 35 |
| Omeprazole | 108 | 30 |
| Metformin Hclbrand: Metformin Hcl Er | 82 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 across 2 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
- 2006-09-25
- Last updated
- 2011-10-14
Frequently asked questions
- What is Katharine Walker's NPI number?
- Katharine Walker's National Provider Identifier (NPI) is 1497855894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Walker's specialty?
- Katharine Walker is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katharine Walker located?
- Katharine Walker's practice location on file with NPPES is 911 Maryland Ave E, Saint Paul, MN 55106-2697.
- What is Katharine Walker's phone number?
- The practice phone number listed in the NPPES registry for Katharine Walker is (651) 776-2719.
- Does Katharine Walker accept Medicare?
- Katharine Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Walker's NPI active?
- Yes — Katharine Walker's NPI (1497855894) is active in the NPPES registry as of the last update on 2011-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.