Maxwell Ma, M.D.
NPI 1881912368 · Neuromuscular Medicine (Psychiatry & Neurology) Physician · Seattle, WA
Maxwell Ma, M.D. is a Neuromuscular Medicine (Psychiatry & Neurology) Physician provider in Seattle, WA (NPI 1881912368).
Provider details
- NPI number
- 1881912368
- Entity type
- Individual
- Primary specialty
- Neuromuscular Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 60573072 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-10
- Last updated
- 2015-06-18
Frequently asked questions
- What is Maxwell Ma's NPI number?
- Maxwell Ma's National Provider Identifier (NPI) is 1881912368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maxwell Ma's specialty?
- Maxwell Ma is listed in the NPPES registry with a primary specialty of Neuromuscular Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Maxwell Ma located?
- Maxwell Ma's practice location on file with NPPES is 1660 S Columbian Way, Seattle, WA 98108-1532.
- What is Maxwell Ma's phone number?
- The practice phone number listed in the NPPES registry for Maxwell Ma is (206) 764-2333.
- Is Maxwell Ma's NPI active?
- Yes — Maxwell Ma's NPI (1881912368) is active in the NPPES registry as of the last update on 2015-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.