Diane Zimmer
NPI 1588801732 · Family Nurse Practitioner · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Zimmer is a Family Nurse Practitioner provider in Oak Lawn, IL (NPI 1588801732).
Provider details
- NPI number
- 1588801732
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 209007358 (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
17 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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 119 | 40 |
| Amlodipine Besylate | 111 | 48 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 72 | 33 |
| Fluticasone Propionate | 59 | 20 |
| Metformin Hcl | 56 | 25 |
| Hydrochlorothiazide | 52 | 22 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$692 across 34 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
- 2009-01-09
- Last updated
- 2009-06-30
Frequently asked questions
- What is Diane Zimmer's NPI number?
- Diane Zimmer's National Provider Identifier (NPI) is 1588801732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Zimmer's specialty?
- Diane Zimmer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Zimmer located?
- Diane Zimmer's practice location on file with NPPES is 9940 Harnew Road East, Oak Lawn, IL 60453.
- What is Diane Zimmer's phone number?
- The practice phone number listed in the NPPES registry for Diane Zimmer is (708) 738-9732.
- Does Diane Zimmer accept Medicare?
- Diane Zimmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Zimmer's NPI active?
- Yes — Diane Zimmer's NPI (1588801732) is active in the NPPES registry as of the last update on 2009-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.