What is Marissa Mah's NPI number?

Marissa Mah's National Provider Identifier (NPI) is 1073853552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marissa Mah's specialty?

Marissa Mah is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Marissa Mah located?

Marissa Mah's practice location on file with NPPES is 63 Locust St, Danvers, MA 01923-2240.

What is Marissa Mah's phone number?

The practice phone number listed in the NPPES registry for Marissa Mah is (978) 777-0011.

Is Marissa Mah's NPI active?

Yes — Marissa Mah's NPI (1073853552) is active in the NPPES registry as of the last update on 2013-02-21.

IndividualActive

Marissa Mah

NPI 1073853552 · Occupational Therapist · Danvers, MA

Marissa Mah is a Occupational Therapist provider in Danvers, MA (NPI 1073853552).

Provider details

NPI number: 1073853552
Entity type: Individual
Primary specialty: Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Occupational TherapistPrimary225X00000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(72/100 index)

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

Registry tenure38% of score
13 yrs in NPPES registry
Profile completeness38% of score
83% 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

63 Locust St

Danvers, MA 01923-2240

Phone: (978) 777-0011

Street-level locationGet directions

More MA providers

Mailing address

11 Wayne Rd

Peabody, MA 01960-1011

Enumerated: 2013-02-21
Last updated: 2013-02-21

Frequently asked questions

What is Marissa Mah's NPI number?: Marissa Mah's National Provider Identifier (NPI) is 1073853552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Marissa Mah's specialty?: Marissa Mah is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is Marissa Mah located?: Marissa Mah's practice location on file with NPPES is 63 Locust St, Danvers, MA 01923-2240.
What is Marissa Mah's phone number?: The practice phone number listed in the NPPES registry for Marissa Mah is (978) 777-0011.
Is Marissa Mah's NPI active?: Yes — Marissa Mah's NPI (1073853552) is active in the NPPES registry as of the last update on 2013-02-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.