Jonathan Nienhouse, FNP
NPI 1841388402 · Family Nurse Practitioner · Boulder, CO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Nienhouse, FNP is a Family Nurse Practitioner provider in Boulder, CO (NPI 1841388402).
Provider details
- NPI number
- 1841388402
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- APN.0003741-NP (CO)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
432 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 93 | $76 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 82 | $62 |
| Detection Test By Multiplex Amplified Probe Technique for Severe Acute Respiratory Syndrome Coronavirus 2 (sars-Cov-2) (covid-19) and Influenza Virus Types a and B87636 | 74 | $138 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $108 |
| Automated Urinalysis Test81003 | 36 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 42 | 39 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 40 | 40 |
| Cephalexin | 38 | 38 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 31 | 30 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 20 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2017-11-09
Frequently asked questions
- What is Jonathan Nienhouse's NPI number?
- Jonathan Nienhouse's National Provider Identifier (NPI) is 1841388402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Nienhouse's specialty?
- Jonathan Nienhouse is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jonathan Nienhouse located?
- Jonathan Nienhouse's practice location on file with NPPES is 6685 Gunpark Dr, Boulder, CO 80301-3388.
- What is Jonathan Nienhouse's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Nienhouse is (303) 415-5199.
- Does Jonathan Nienhouse accept Medicare?
- Jonathan Nienhouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Nienhouse's NPI active?
- Yes — Jonathan Nienhouse's NPI (1841388402) is active in the NPPES registry as of the last update on 2017-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.