What is Sandra Harshaw-Irvin's NPI number?

Sandra Harshaw-Irvin's National Provider Identifier (NPI) is 1720315492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sandra Harshaw-Irvin's specialty?

Sandra Harshaw-Irvin is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).

Where is Sandra Harshaw-Irvin located?

Sandra Harshaw-Irvin's practice location on file with NPPES is 725 1st Avenue North, Great Falls, MT 59401.

What is Sandra Harshaw-Irvin's phone number?

The practice phone number listed in the NPPES registry for Sandra Harshaw-Irvin is (406) 727-7269.

Is Sandra Harshaw-Irvin's NPI active?

Yes — Sandra Harshaw-Irvin's NPI (1720315492) is active in the NPPES registry as of the last update on 2018-03-17.

IndividualActive

Sandra Harshaw-Irvin, HAD

NPI 1720315492 · Hearing Instrument Specialist · Great Falls, MT

Sandra Harshaw-Irvin, HAD is a Hearing Instrument Specialist provider in Great Falls, MT (NPI 1720315492).

Provider details

NPI number: 1720315492
Entity type: Individual
Primary specialty: Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
Credential: HAD
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Hearing Instrument SpecialistPrimary237700000XLicense 238 (MT)
Speech, Language and Hearing Service Providers
Audiologist-Hearing Aid Fitter237600000X
Speech, Language and Hearing Service Providers

Profile Score

Detailed profile(87/100 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
83% of core fields populated
Practice footprint23% of score
5 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

725 1st Avenue North

Great Falls, MT 59401

Phone: (406) 727-7269

Fax: (406) 452-5145

Street-level locationGet directions

More MT providers

Mailing address

8800 Se Sunnyside Road

Clackamas, OR 97015-5703

Additional practice locations (4)

1211 Grand Ave Ste 2
Billings, MT 59102-4213
Phone: (406) 248-1006
Fax: (406) 254-1936
200 S 23rd Ave Ste E1
Bozeman, MT 59718-3965
Phone: (406) 585-4669
Fax: (406) 585-4671
2339 Cobban St
Butte, MT 59701-5619
Phone: (406) 782-7000
Fax: (406) 482-0796
2716 Billings Ave
Helena, MT 59601-9767
Phone: (406) 443-2275
Fax: (406) 443-2278

Enumerated: 2009-11-17
Last updated: 2018-03-17

Frequently asked questions

What is Sandra Harshaw-Irvin's NPI number?: Sandra Harshaw-Irvin's National Provider Identifier (NPI) is 1720315492, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Sandra Harshaw-Irvin's specialty?: Sandra Harshaw-Irvin is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
Where is Sandra Harshaw-Irvin located?: Sandra Harshaw-Irvin's practice location on file with NPPES is 725 1st Avenue North, Great Falls, MT 59401.
What is Sandra Harshaw-Irvin's phone number?: The practice phone number listed in the NPPES registry for Sandra Harshaw-Irvin is (406) 727-7269.
Is Sandra Harshaw-Irvin's NPI active?: Yes — Sandra Harshaw-Irvin's NPI (1720315492) is active in the NPPES registry as of the last update on 2018-03-17.

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