John Chapin, M.D.
NPI 1245246990 · Neurology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Chapin, M.D. is a Neurology Physician provider in Spokane, WA (NPI 1245246990).
Provider details
- NPI number
- 1245246990
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 92-24 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
493 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) |
|---|---|---|
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Limited Study95885 | 95 | $62 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 72 | $94 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $177 |
| Nerve Conduction, 9-10 Studies95911 | 37 | $208 |
| 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 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Riluzole | 85 | 19 |
| Mycophenolate Mofetil | 65 | 18 |
| Prednisone | 53 | 13 |
| Pyridostigmine Bromide | 38 | 12 |
| Gabapentin | 35 | — |
| Lorazepam | 35 | — |
| Azathioprine | 29 | — |
| Citalopram Hydrobromide |
Practice location
Mailing address
Additional practice locations (1)
- 55 West Tietan StreetWalla Walla, WA 99362-4445Phone: (509) 525-3720Fax: (509) 522-1592
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2025-11-24
- Certified
- 2025-11-24
Frequently asked questions
- What is John Chapin's NPI number?
- John Chapin's National Provider Identifier (NPI) is 1245246990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Chapin's specialty?
- John Chapin is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is John Chapin located?
- John Chapin's practice location on file with NPPES is 715 S Cowley St Ste 228, Spokane, WA 99202-1383.
- What is John Chapin's phone number?
- The practice phone number listed in the NPPES registry for John Chapin is (509) 473-6706.
- Does John Chapin accept Medicare?
- John Chapin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Chapin's NPI active?
- Yes — John Chapin's NPI (1245246990) is active in the NPPES registry as of the last update on 2025-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.