What is Mary Nessan's NPI number?

Mary Nessan's National Provider Identifier (NPI) is 1639789696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Nessan's specialty?

Mary Nessan is listed in the NPPES registry with a primary specialty of Dental Hygienist (Dental Providers).

Where is Mary Nessan located?

Mary Nessan's practice location on file with NPPES is 123 S 27th St, Billings, MT 59101-4227.

What is Mary Nessan's phone number?

The practice phone number listed in the NPPES registry for Mary Nessan is (406) 247-3333.

Is Mary Nessan's NPI active?

Yes — Mary Nessan's NPI (1639789696) is active in the NPPES registry as of the last update on 2020-09-25.

IndividualActive

Mary Nessan, DENTAL HYGIENIST

NPI 1639789696 · Dental Hygienist · Billings, MT

Mary Nessan, DENTAL HYGIENIST is a Dental Hygienist provider in Billings, MT (NPI 1639789696).

Provider details

NPI number: 1639789696
Entity type: Individual
Primary specialty: Dental HygienistDental Providers
Credential: DENTAL HYGIENIST
Sex: Female
Sole proprietor: No
License: 591 (MT)

Specialties & taxonomies

Dental HygienistPrimary124Q00000XLicense 591 (MT)
Dental Providers

Profile Score

Established profile(64/100 index)

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

Registry tenure38% of score
5 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

123 S 27th St

Billings, MT 59101-4227

Phone: (406) 247-3333

Street-level locationGet directions

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Mailing address