Rachel Maas, ARNP
NPI 1891990958 · Nurse Practitioner · Kirkland, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Maas, ARNP is a Nurse Practitioner provider in Kirkland, WA (NPI 1891990958).
Provider details
- NPI number
- 1891990958
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP30007735 (WA)
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
640 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) |
|---|---|---|
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 291 | $26 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 93 | $106 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $86 |
| Evaluation of Single, Dual, Or Multiple Lead Implantable Defibrillator System, Remote Up to 90 Days93295 | 70 | $32 |
| Evaluation of Cardiac Rhythm Monitor System, Remote Up to 30 Days93298 | 67 | $22 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 109 | 56 |
| Apixabanbrand: Eliquis | 80 | 30 |
| Amlodipine Besylate | 49 | 18 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 44 | 16 |
| Lisinopril | 40 | 15 |
| Atorvastatin Calcium | 36 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-19
- Last updated
- 2008-01-10
Frequently asked questions
- What is Rachel Maas's NPI number?
- Rachel Maas's National Provider Identifier (NPI) is 1891990958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Maas's specialty?
- Rachel Maas is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rachel Maas located?
- Rachel Maas's practice location on file with NPPES is 12333 130th Lane, Kirkland, WA 98034-3039.
- What is Rachel Maas's phone number?
- The practice phone number listed in the NPPES registry for Rachel Maas is (425) 899-0555.
- Does Rachel Maas accept Medicare?
- Rachel Maas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Maas's NPI active?
- Yes — Rachel Maas's NPI (1891990958) is active in the NPPES registry as of the last update on 2008-01-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.