What is Maihwa Tjoa's NPI number?

Maihwa Tjoa's National Provider Identifier (NPI) is 1417176850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maihwa Tjoa's specialty?

Maihwa Tjoa is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).

Where is Maihwa Tjoa located?

Maihwa Tjoa's practice location on file with NPPES is 2747 Pacific Ave Se, Olympia, WA 98501-2097.

What is Maihwa Tjoa's phone number?

The practice phone number listed in the NPPES registry for Maihwa Tjoa is (360) 943-6797.

Is Maihwa Tjoa's NPI active?

Yes — Maihwa Tjoa's NPI (1417176850) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Maihwa Tjoa, D.C. L.AC

NPI 1417176850 · Acupuncturist · Olympia, WA

Maihwa Tjoa, D.C. L.AC is a Acupuncturist provider in Olympia, WA (NPI 1417176850).

Provider details

NPI number: 1417176850
Entity type: Individual
Primary specialty: AcupuncturistOther Service Providers
Credential: D.C. L.AC
Sex: Female
Sole proprietor: Yes
License: CH00003207 (WA)

Specialties & taxonomies

AcupuncturistPrimary171100000XLicense AC00000530 (WA)
Other Service Providers
Chiropractor111N00000XLicense CH00003207 (WA)
Chiropractic Providers

Profile Score

Detailed profile(89/100 index)

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

2747 Pacific Ave Se

Suite A-12

Olympia, WA 98501-2097

Phone: (360) 943-6797

Fax: (360) 943-6785

Street-level locationGet directions

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Mailing address