Katherine Walls, P.A.-C.
NPI 1992121057 · Physician Assistant · Springfield, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Walls, P.A.-C. is a Physician Assistant provider in Springfield, IL (NPI 1992121057).
Provider details
- NPI number
- 1992121057
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C.
- Sex
- Female
- Sole proprietor
- No
- License
- 4266 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
190 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 | 98 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 51 | $64 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 25 | $108 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $130 |
Typical Medicare-allowed amounts for these services range $64–$130 (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 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 149 | 40 |
| Memantine Hcl | 121 | 33 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 68 | 15 |
| Gabapentin | 68 | 28 |
| Primidone | 60 | 14 |
| Levetiracetam | 49 | 16 |
| Lamotrigine | 44 | 11 |
| Amitriptyline Hcl | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,291 across 94 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
Additional practice locations (2)
- 4500 San Pablo Rd SJacksonville, FL 32224-1865Phone: (904) 953-2000
- 3601 the Vanderbilt ClinicNashville, TN 37232-1865Phone: (615) 936-9177
Registry dates
- Enumerated
- 2014-03-13
- Last updated
- 2024-09-11
- Certified
- 2024-09-11
Frequently asked questions
- What is Katherine Walls's NPI number?
- Katherine Walls's National Provider Identifier (NPI) is 1992121057, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Walls's specialty?
- Katherine Walls is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Walls located?
- Katherine Walls's practice location on file with NPPES is 301 N 8th St, Springfield, IL 62701-1041.
- What is Katherine Walls's phone number?
- The practice phone number listed in the NPPES registry for Katherine Walls is (217) 528-7541.
- Does Katherine Walls accept Medicare?
- Katherine Walls is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Walls's NPI active?
- Yes — Katherine Walls's NPI (1992121057) is active in the NPPES registry as of the last update on 2024-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.