What is Mark Grassman's NPI number?

Mark Grassman's National Provider Identifier (NPI) is 1922121003, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Grassman's specialty?

Mark Grassman is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Mark Grassman located?

Mark Grassman's practice location on file with NPPES is 1244 Pine St, Boulder, CO 80302-4809.

What is Mark Grassman's phone number?

The practice phone number listed in the NPPES registry for Mark Grassman is (303) 447-2727.

Is Mark Grassman's NPI active?

Yes — Mark Grassman's NPI (1922121003) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Mark Grassman, MSW

NPI 1922121003 · Clinical Social Worker · Boulder, CO

Mark Grassman, MSW is a Clinical Social Worker provider in Boulder, CO (NPI 1922121003).

Provider details

NPI number: 1922121003
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: MSW
Sex: Male
Sole proprietor: Yes
License: 983032 (CO)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 983032 (CO)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(89/100 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

1244 Pine St

Boulder, CO 80302-4809

Phone: (303) 447-2727

Fax: (303) 444-2843

Street-level locationGet directions

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Mailing address