What is Mark Spencer's NPI number?

Mark Spencer's National Provider Identifier (NPI) is 1841385267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Spencer's specialty?

Mark Spencer is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).

Where is Mark Spencer located?

Mark Spencer's practice location on file with NPPES is 4949 W.irving Pk. Rd., Chicago, IL 60641-2655.

What is Mark Spencer's phone number?

The practice phone number listed in the NPPES registry for Mark Spencer is (773) 237-4774.

Is Mark Spencer's NPI active?

Yes — Mark Spencer's NPI (1841385267) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Spencer, OD

NPI 1841385267 · Optometrist · Chicago, IL

Mark Spencer, OD is a Optometrist provider in Chicago, IL (NPI 1841385267).

Provider details

NPI number: 1841385267
Entity type: Individual
Primary specialty: OptometristEye and Vision Services Providers
Credential: OD
Sex: Male
Sole proprietor: Yes
License: 046-0008177 (IL)

Specialties & taxonomies

OptometristPrimary152W00000XLicense 046-0008177 (IL)
Eye and Vision Services Providers

Profile Score

Detailed profile(90/100 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

4949 W.irving Pk. Rd.

Suite E

Chicago, IL 60641-2655

Phone: (773) 237-4774

Fax: (773) 202-9902

Street-level locationGet directions

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Mailing address