Melissa Hartzell, PA-C
NPI 1871876508 · Medical Physician Assistant · Rockford, IL
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Hartzell, PA-C is a Medical Physician Assistant provider in Rockford, IL (NPI 1871876508).
Provider details
- NPI number
- 1871876508
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 085004137 (IL)
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 tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 222 | 66 |
| Lisinopril | 105 | 32 |
| Gabapentin | 90 | 24 |
| Amlodipine Besylate | 74 | 29 |
| Metformin Hcl | 72 | 17 |
| Levothyroxine Sodium | 69 | 22 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$73 across 4 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
- 2011-09-20
- Last updated
- 2013-02-19
Frequently asked questions
- What is Melissa Hartzell's NPI number?
- Melissa Hartzell's National Provider Identifier (NPI) is 1871876508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Hartzell's specialty?
- Melissa Hartzell is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Hartzell located?
- Melissa Hartzell's practice location on file with NPPES is 1200 W State St, Rockford, IL 61102-2112.
- What is Melissa Hartzell's phone number?
- The practice phone number listed in the NPPES registry for Melissa Hartzell is (815) 490-1600.
- Does Melissa Hartzell accept Medicare?
- Melissa Hartzell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Hartzell's NPI active?
- Yes — Melissa Hartzell's NPI (1871876508) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.