What is Mark Williams's NPI number?

Mark Williams's National Provider Identifier (NPI) is 1033445655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Williams's specialty?

Mark Williams is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Mark Williams located?

Mark Williams's practice location on file with NPPES is 1200 Broadway, South Portland, ME 04106-5652.

What is Mark Williams's phone number?

The practice phone number listed in the NPPES registry for Mark Williams is (207) 799-2263.

Is Mark Williams's NPI active?

Yes — Mark Williams's NPI (1033445655) is active in the NPPES registry as of the last update on 2009-11-02.

IndividualActive

Mark Williams, DC

NPI 1033445655 · Chiropractor · South Portland, ME

Mark Williams, DC is a Chiropractor provider in South Portland, ME (NPI 1033445655).

Provider details

NPI number: 1033445655
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: DC
Sex: Male
Sole proprietor: Yes
License: 874 (ME)

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense 874 (ME)
Chiropractic Providers

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
16 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

1200 Broadway

South Portland, ME 04106-5652

Phone: (207) 799-2263

Street-level locationGet directions

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Mailing address