Riley Mckeown, PA-C
NPI 1598414443 · Physician Assistant · Portland, ME
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riley Mckeown, PA-C is a Physician Assistant provider in Portland, ME (NPI 1598414443).
Provider details
- NPI number
- 1598414443
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1847 (NH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 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
286 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 58 | $138 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 51 | $92 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 39 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $106 |
| Automated Urinalysis Test81003 | 28 | $2 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 38 | 38 |
| Doxycycline Monohydrate | 36 | 35 |
| Ofloxacin | 17 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 | 14 |
| Cephalexin | 14 | 14 |
| Prednisone | 14 | 14 |
| Mupirocin | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-19
- Last updated
- 2023-11-16
- Certified
- 2023-11-16
Frequently asked questions
- What is Riley Mckeown's NPI number?
- Riley Mckeown's National Provider Identifier (NPI) is 1598414443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Riley Mckeown's specialty?
- Riley Mckeown is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Riley Mckeown located?
- Riley Mckeown's practice location on file with NPPES is 191 Marginal Way, Portland, ME 04101-3387.
- What is Riley Mckeown's phone number?
- The practice phone number listed in the NPPES registry for Riley Mckeown is (207) 571-7991.
- Does Riley Mckeown accept Medicare?
- Riley Mckeown is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Riley Mckeown's NPI active?
- Yes — Riley Mckeown's NPI (1598414443) is active in the NPPES registry as of the last update on 2023-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.