Holly Walker, PA
NPI 1497887004 · Physician Assistant · Peoria, IL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Walker, PA is a Physician Assistant provider in Peoria, IL (NPI 1497887004).
Provider details
- NPI number
- 1497887004
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 085001719 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
510 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 | 340 | $101 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 170 | $13 |
Typical Medicare-allowed amounts for these services range $13–$101 (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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 479 | 140 |
| Hydralazine Hcl | 231 | 65 |
| Spironolactone | 228 | 65 |
| Lisinopril | 228 | 68 |
| Losartan Potassium | 198 | 62 |
| Olmesartan Medoxomil | 158 | 52 |
| Labetalol Hcl | 131 | 35 |
Practice location
Mailing address
Additional practice locations (1)
- 530 Ne Glen Oak AvePeoria, IL 61637-0001Phone: (309) 655-6769
Registry dates
- Enumerated
- 2007-03-09
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Holly Walker's NPI number?
- Holly Walker's National Provider Identifier (NPI) is 1497887004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Walker's specialty?
- Holly Walker is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Holly Walker located?
- Holly Walker's practice location on file with NPPES is 420 Ne Glen Oak Ave Ste 401, Peoria, IL 61603-3168.
- What is Holly Walker's phone number?
- The practice phone number listed in the NPPES registry for Holly Walker is (309) 676-8123.
- Does Holly Walker accept Medicare?
- Holly Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Walker's NPI active?
- Yes — Holly Walker's NPI (1497887004) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.