What is Holly Grgas's NPI number?

Holly Grgas's National Provider Identifier (NPI) is 1467828673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Holly Grgas's specialty?

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

Where is Holly Grgas located?

Holly Grgas's practice location on file with NPPES is 149 Newton St, Portland, ME 04103-1534.

What is Holly Grgas's phone number?

The practice phone number listed in the NPPES registry for Holly Grgas is (845) 553-3161.

Is Holly Grgas's NPI active?

Yes — Holly Grgas's NPI (1467828673) is active in the NPPES registry as of the last update on 2023-01-23.

IndividualActive

Holly Grgas, LCSW, PMH-C

NPI 1467828673 · Clinical Social Worker · Portland, ME

Holly Grgas, LCSW, PMH-C is a Clinical Social Worker provider in Portland, ME (NPI 1467828673).

Provider details

NPI number: 1467828673
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW, PMH-C
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense LC20875 (ME)
Behavioral Health & Social Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care
Clinical Social Worker1041C0700XLicense CSW.09928906 (CO)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(77/100 index)

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

Registry tenure38% of score
11 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
4 documented practice locations

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

149 Newton St

Portland, ME 04103-1534

Phone: (845) 553-3161

Street-level locationGet directions

More ME providers

Mailing address

149 Newton St

Portland, ME 04103-1534

Additional practice locations (3)

251 Llewellyn Ave # 4
Campbell, CA 95008
Phone: (408) 379-3790
200 7th Ave
Santa Cruz, CA 95062-4668
Phone: (831) 462-1060
200 7th Ave
Santa Cruz, CA 95062-4668
Phone: (831) 462-1060

Enumerated: 2015-08-11
Last updated: 2023-01-23
Certified: 2023-01-23

Frequently asked questions

What is Holly Grgas's NPI number?: Holly Grgas's National Provider Identifier (NPI) is 1467828673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Holly Grgas's specialty?: Holly Grgas is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Holly Grgas located?: Holly Grgas's practice location on file with NPPES is 149 Newton St, Portland, ME 04103-1534.
What is Holly Grgas's phone number?: The practice phone number listed in the NPPES registry for Holly Grgas is (845) 553-3161.
Is Holly Grgas's NPI active?: Yes — Holly Grgas's NPI (1467828673) is active in the NPPES registry as of the last update on 2023-01-23.

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