Andrea Timmerman, ARNP
NPI 1174824205 · Family Nurse Practitioner · Iowa City, IA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Timmerman, ARNP is a Family Nurse Practitioner provider in Iowa City, IA (NPI 1174824205).
Provider details
- NPI number
- 1174824205
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- A110238 (IA)
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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
263 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 176 | $60 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 54 | $17 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 33 | $89 |
Typical Medicare-allowed amounts for these services range $17–$89 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 701 W Forevergreen RdNorth Liberty, IA 52317-9848Phone: (319) 384-6562Fax: (319) 356-3949
Registry dates
- Enumerated
- 2010-11-05
- Last updated
- 2025-04-04
- Certified
- 2025-04-04
Frequently asked questions
- What is Andrea Timmerman's NPI number?
- Andrea Timmerman's National Provider Identifier (NPI) is 1174824205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Timmerman's specialty?
- Andrea Timmerman is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Timmerman located?
- Andrea Timmerman's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1007.
- What is Andrea Timmerman's phone number?
- The practice phone number listed in the NPPES registry for Andrea Timmerman is (319) 356-4019.
- Does Andrea Timmerman accept Medicare?
- Andrea Timmerman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Timmerman's NPI active?
- Yes — Andrea Timmerman's NPI (1174824205) is active in the NPPES registry as of the last update on 2025-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.