What is William Monahan's NPI number?

William Monahan's National Provider Identifier (NPI) is 1417019589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Monahan's specialty?

William Monahan is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).

Where is William Monahan located?

William Monahan's practice location on file with NPPES is 501 S. Burma Avenue, Gillette, WY 82717.

What is William Monahan's phone number?

The practice phone number listed in the NPPES registry for William Monahan is (307) 688-5000.

Is William Monahan's NPI active?

Yes — William Monahan's NPI (1417019589) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Monahan

NPI 1417019589 · Counselor · Gillette, WY

William Monahan is a Counselor provider in Gillette, WY (NPI 1417019589).

Provider details

NPI number: 1417019589
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Practice location

501 S. Burma Avenue

Gillette, WY 82717

Phone: (307) 688-5000

Fax: (307) 688-5015

Street-level locationGet directions

More WY providers

Mailing address

406 Warren Avenue

Gillette, WY 82716

Specialties & taxonomies

CounselorPrimary101Y00000X
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(84/100 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
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.

Enumerated: 2006-12-15
Last updated: 2007-07-08

Frequently asked questions

What is William Monahan's NPI number?: William Monahan's National Provider Identifier (NPI) is 1417019589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Monahan's specialty?: William Monahan is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
Where is William Monahan located?: William Monahan's practice location on file with NPPES is 501 S. Burma Avenue, Gillette, WY 82717.
What is William Monahan's phone number?: The practice phone number listed in the NPPES registry for William Monahan is (307) 688-5000.
Is William Monahan's NPI active?: Yes — William Monahan's NPI (1417019589) is active in the NPPES registry as of the last update on 2007-07-08.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions