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William Underwood, L. AC.
NPI 1861892986 · Acupuncturist · Longmont, CO
William Underwood, L. AC. is a Acupuncturist provider in Longmont, CO (NPI 1861892986).
Provider details
- NPI number
- 1861892986
- Entity type
- Individual
- Primary specialty
- AcupuncturistOther Service Providers
- Credential
- L. AC.
- Sex
- Male
- Sole proprietor
- No
- License
- 0002020 (CO)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(75/100 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
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
1551 Professional Ln
Suite 180
Longmont, CO 80501-6972
Phone: (303) 772-0598
Street-level locationGet directions
Mailing address
1225 Ken Pratt Blvd
Longmont, CO 80501
Registry dates
- Enumerated
- 2014-08-26
- Last updated
- 2021-10-29
- Certified
- 2021-10-29
Frequently asked questions
- What is William Underwood's NPI number?
- William Underwood's National Provider Identifier (NPI) is 1861892986, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Underwood's specialty?
- William Underwood is listed in the NPPES registry with a primary specialty of Acupuncturist (Other Service Providers).
- Where is William Underwood located?
- William Underwood's practice location on file with NPPES is 1551 Professional Ln, Longmont, CO 80501-6972.
- What is William Underwood's phone number?
- The practice phone number listed in the NPPES registry for William Underwood is (303) 772-0598.
- Is William Underwood's NPI active?
- Yes — William Underwood's NPI (1861892986) is active in the NPPES registry as of the last update on 2021-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.