Donna Grenfell, PA
NPI 1700801107 · Physician Assistant · De Pere, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donna Grenfell, PA is a Physician Assistant provider in De Pere, WI (NPI 1700801107).
Provider details
- NPI number
- 1700801107
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 690 (WI)
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
417 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 | 128 | $106 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 127 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 80 | $75 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 37 | $8 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 29 | $3 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 302 | 96 |
| Lisinopril | 193 | 61 |
| Omeprazole | 169 | 69 |
| Levothyroxine Sodium | 163 | 58 |
| Hydrochlorothiazide | 145 | 46 |
| Sertraline Hcl | 131 | 36 |
| Amlodipine Besylate | 118 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$109 across 1 record (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
- 2006-07-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Donna Grenfell's NPI number?
- Donna Grenfell's National Provider Identifier (NPI) is 1700801107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Grenfell's specialty?
- Donna Grenfell is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Donna Grenfell located?
- Donna Grenfell's practice location on file with NPPES is 3860 Monroe Rd, De Pere, WI 54115-8399.
- What is Donna Grenfell's phone number?
- The practice phone number listed in the NPPES registry for Donna Grenfell is (920) 496-4700.
- Does Donna Grenfell accept Medicare?
- Donna Grenfell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donna Grenfell's NPI active?
- Yes — Donna Grenfell's NPI (1700801107) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.