Mary Farnham, ARNP
NPI 1821206418 · Registered Nurse · Bellevue, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Farnham, ARNP is a Registered Nurse provider in Bellevue, WA (NPI 1821206418).
Provider details
- NPI number
- 1821206418
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP60115689 (WA)
Specialties & taxonomies
Nursing Service Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
452 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 231 | $85 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 91 | $103 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $118 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 44 | $153 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 36 | $53 |
Typical Medicare-allowed amounts for these services range $53–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rivaroxabanbrand: Xarelto | 189 | 62 |
| Apixabanbrand: Eliquis | 183 | 56 |
| Rosuvastatin Calcium | 124 | 45 |
| Atorvastatin Calcium | 113 | 45 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 24 | 13 |
| Evolocumabbrand: Repatha Sureclick | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$42 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-18
- Last updated
- 2015-02-25
Frequently asked questions
- What is Mary Farnham's NPI number?
- Mary Farnham's National Provider Identifier (NPI) is 1821206418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Farnham's specialty?
- Mary Farnham is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Mary Farnham located?
- Mary Farnham's practice location on file with NPPES is 1135 116th Ave Ne, Bellevue, WA 98004-4623.
- What is Mary Farnham's phone number?
- The practice phone number listed in the NPPES registry for Mary Farnham is (425) 453-1772.
- Does Mary Farnham accept Medicare?
- Mary Farnham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Farnham's NPI active?
- Yes — Mary Farnham's NPI (1821206418) is active in the NPPES registry as of the last update on 2015-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.