What is Warwick Johnston's NPI number?

Warwick Johnston's National Provider Identifier (NPI) is 1932617388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Warwick Johnston's specialty?

Warwick Johnston is listed in the NPPES registry with a primary specialty of Naturopath (Other Service Providers).

Where is Warwick Johnston located?

Warwick Johnston's practice location on file with NPPES is 13422 Newport Ave Ste L, Tustin, CA 92780-3746.

What is Warwick Johnston's phone number?

The practice phone number listed in the NPPES registry for Warwick Johnston is (714) 544-1521.

Is Warwick Johnston's NPI active?

Yes — Warwick Johnston's NPI (1932617388) is active in the NPPES registry as of the last update on 2022-10-25.

IndividualActive

Warwick Johnston, ND

NPI 1932617388 · Naturopath · Tustin, CA

Warwick Johnston, ND is a Naturopath provider in Tustin, CA (NPI 1932617388).

Provider details

NPI number: 1932617388
Entity type: Individual
Primary specialty: NaturopathOther Service Providers
Credential: ND
Sex: Male
Sole proprietor: Yes
License: ND-289 (HI)

Specialties & taxonomies

NaturopathPrimary175F00000XLicense ND1350 (CA)
Other Service Providers
Naturopath175F00000XLicense ND-289 (HI)
Other Service Providers

Profile Score

Established profile(69/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
8 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

13422 Newport Ave Ste L

Tustin, CA 92780-3746

Phone: (714) 544-1521

Street-level locationGet directions

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Mailing address