John Walker, MA RNC
NPI 1851473110 · Psychiatric/Mental Health Registered Nurse · Hollywood, MD
John Walker, MA RNC is a Psychiatric/Mental Health Registered Nurse provider in Hollywood, MD (NPI 1851473110).
Provider details
- NPI number
- 1851473110
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- MA RNC
- Sex
- Male
- Sole proprietor
- No
- License
- R111829 (MD)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-19
- Last updated
- 2007-08-23
Frequently asked questions
- What is John Walker's NPI number?
- John Walker's National Provider Identifier (NPI) is 1851473110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walker's specialty?
- John Walker is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is John Walker located?
- John Walker's practice location on file with NPPES is 44101 Airport View Drive, Hollywood, MD 20636.
- What is John Walker's phone number?
- The practice phone number listed in the NPPES registry for John Walker is (301) 373-3065.
- Is John Walker's NPI active?
- Yes — John Walker's NPI (1851473110) is active in the NPPES registry as of the last update on 2007-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.