Arwen Johnson
NPI 1164798583 · Family Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arwen Johnson is a Family Medicine Physician provider in Denver, CO (NPI 1164798583).
Provider details
- NPI number
- 1164798583
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
320 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 112 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $92 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 51 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 33 | $182 |
| Hemoglobin A1c Level83036 | 19 | $10 |
| Administration of Influenza Virus VaccineG0008 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 193 | 51 |
| Lisinopril | 109 | 29 |
| Levothyroxine Sodium | 97 | 33 |
| Metformin Hcl | 88 | 23 |
| Amlodipine Besylate | 85 | 28 |
| Hydrochlorothiazide | 82 | 23 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-29
- Last updated
- 2018-05-07
Frequently asked questions
- What is Arwen Johnson's NPI number?
- Arwen Johnson's National Provider Identifier (NPI) is 1164798583, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arwen Johnson's specialty?
- Arwen Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arwen Johnson located?
- Arwen Johnson's practice location on file with NPPES is 1783 15th St, Denver, CO 80202-1888.
- What is Arwen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Arwen Johnson is (303) 532-1536.
- Does Arwen Johnson accept Medicare?
- Arwen Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arwen Johnson's NPI active?
- Yes — Arwen Johnson's NPI (1164798583) is active in the NPPES registry as of the last update on 2018-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.