Nathan Clark, DO
NPI 1275116477 · Family Medicine Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Clark, DO is a Family Medicine Physician provider in Spokane, WA (NPI 1275116477).
Provider details
- NPI number
- 1275116477
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 61170471 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
54 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 | 33 | $128 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 21 | $16 |
Typical Medicare-allowed amounts for these services range $16–$128 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 72 | 27 |
| Amlodipine Besylate | 53 | 15 |
| Gabapentin | 51 | 13 |
| Levothyroxine Sodium | 41 | 15 |
| Lisinopril | 37 | 13 |
| Lamotrigine | 34 | — |
| Famotidine | 30 | — |
Practice location
Mailing address
Additional practice locations (1)
- 525 Lilly Rd NeOlympia, WA 98506-5101Phone: (360) 493-7525
Registry dates
- Enumerated
- 2021-05-04
- Last updated
- 2024-07-18
- Certified
- 2021-07-21
Frequently asked questions
- What is Nathan Clark's NPI number?
- Nathan Clark's National Provider Identifier (NPI) is 1275116477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Clark's specialty?
- Nathan Clark is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Clark located?
- Nathan Clark's practice location on file with NPPES is 2020 E 29th Ave Lowr Level, Spokane, WA 99203-3917.
- What is Nathan Clark's phone number?
- The practice phone number listed in the NPPES registry for Nathan Clark is (509) 626-9400.
- Does Nathan Clark accept Medicare?
- Nathan Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Clark's NPI active?
- Yes — Nathan Clark's NPI (1275116477) is active in the NPPES registry as of the last update on 2024-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.