What is Ernest Tark's NPI number?

Ernest Tark's National Provider Identifier (NPI) is 1841268547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ernest Tark's specialty?

Ernest Tark is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Ernest Tark located?

Ernest Tark's practice location on file with NPPES is 150 Muir Rd, Martinez, CA 94553-4668.

What is Ernest Tark's phone number?

The practice phone number listed in the NPPES registry for Ernest Tark is (925) 372-2600.

Is Ernest Tark's NPI active?

Yes — Ernest Tark's NPI (1841268547) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Ernest Tark, MD

NPI 1841268547 · Ophthalmology Physician · Martinez, CA

Ernest Tark, MD is a Ophthalmology Physician provider in Martinez, CA (NPI 1841268547).

Provider details

NPI number: 1841268547
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
License: G64242 (CA)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense G64242 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

150 Muir Rd

Martinez, CA 94553-4668

Phone: (925) 372-2600

Fax: (925) 372-2993

Street-level locationGet directions

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Mailing address