What is Wai-Shing Ng's NPI number?

Wai-Shing Ng's National Provider Identifier (NPI) is 1538301221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Wai-Shing Ng's specialty?

Wai-Shing Ng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Wai-Shing Ng located?

Wai-Shing Ng's practice location on file with NPPES is 2100 Napa Vallejo Hwy, Napa, CA 94558-6293.

What is Wai-Shing Ng's phone number?

The practice phone number listed in the NPPES registry for Wai-Shing Ng is (707) 253-5000.

Is Wai-Shing Ng's NPI active?

Yes — Wai-Shing Ng's NPI (1538301221) is active in the NPPES registry as of the last update on 2014-05-06.

IndividualActive

Wai-Shing Ng, M.D.

NPI 1538301221 · Internal Medicine Physician · Napa, CA

Wai-Shing Ng, M.D. is a Internal Medicine Physician provider in Napa, CA (NPI 1538301221).

Provider details

NPI number: 1538301221
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: A41995 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense A41995 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(85/100 index)

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

Registry tenure38% of score
17 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

2100 Napa Vallejo Hwy

Napa, CA 94558-6293

Phone: (707) 253-5000

Fax: (707) 253-5513

Street-level locationGet directions

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Mailing address