Elizabeth Diemer
NPI 1699539577 · Family Nurse Practitioner · Pontiac, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Diemer is a Family Nurse Practitioner provider in Pontiac, IL (NPI 1699539577).
Provider details
- NPI number
- 1699539577
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 041377192 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 38 | 34 |
| Fluticasone Propionate | 32 | 26 |
| Gabapentin | 21 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 17 |
| Cephalexin | 18 | 17 |
| Omeprazole | 17 | 11 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim |
Practice location
Mailing address
Additional practice locations (1)
- 1506 W Reynolds StPontiac, IL 61764-9674Phone: (815) 844-6123
Registry dates
- Enumerated
- 2024-02-12
- Last updated
- 2024-02-12
- Certified
- 2024-02-10
Frequently asked questions
- What is Elizabeth Diemer's NPI number?
- Elizabeth Diemer's National Provider Identifier (NPI) is 1699539577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Diemer's specialty?
- Elizabeth Diemer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Diemer located?
- Elizabeth Diemer's practice location on file with NPPES is 2500 W Reynolds St Ste 203, Pontiac, IL 61764-9774.
- What is Elizabeth Diemer's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Diemer is (815) 844-5115.
- Does Elizabeth Diemer accept Medicare?
- Elizabeth Diemer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Diemer's NPI active?
- Yes — Elizabeth Diemer's NPI (1699539577) is active in the NPPES registry as of the last update on 2024-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.