Holly Chapman, APN
NPI 1851951552 · Orthopaedic Surgery Physician · Mt Zion, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Holly Chapman, APN is a Orthopaedic Surgery Physician provider in Mt Zion, IL (NPI 1851951552).
Provider details
- NPI number
- 1851951552
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 209.016930 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 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
1,526 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) |
|---|---|---|
| X-Ray of Knee, 4 Or More Views73564 | 309 | $39 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 261 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 217 | $74 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 179 | $58 |
| X-Ray of Hip, 2-3 Views73502 | 162 | $33 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 253 | 155 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 158 | 136 |
| Meloxicam | 97 | 69 |
| Omeprazole | 53 | 53 |
| Cephalexin | 50 | 48 |
| Gabapentin | 40 | 23 |
| Ondansetron Hcl | 26 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 across 3 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
- 2019-06-17
- Last updated
- 2022-07-13
- Certified
- 2022-07-13
Frequently asked questions
- What is Holly Chapman's NPI number?
- Holly Chapman's National Provider Identifier (NPI) is 1851951552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Chapman's specialty?
- Holly Chapman is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Holly Chapman located?
- Holly Chapman's practice location on file with NPPES is 104 E Ashland Ave, Mt Zion, IL 62549-1271.
- What is Holly Chapman's phone number?
- The practice phone number listed in the NPPES registry for Holly Chapman is (217) 864-2665.
- Does Holly Chapman accept Medicare?
- Holly Chapman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Holly Chapman's NPI active?
- Yes — Holly Chapman's NPI (1851951552) is active in the NPPES registry as of the last update on 2022-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.