IndividualActive
William Madden
NPI 1356625560 · Specialist · Keene, NH
William Madden is a Specialist provider in Keene, NH (NPI 1356625560).
Provider details
- NPI number
- 1356625560
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(74/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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.
Practice location
64 Main St
Keene, NH 03431-3701
Phone: (603) 283-1570
Fax: (603) 357-9648
Street-level locationGet directions
Mailing address
17 93rd St
Keene, NH 03431-3989
Registry dates
- Enumerated
- 2011-10-06
- Last updated
- 2011-10-06
Frequently asked questions
- What is William Madden's NPI number?
- William Madden's National Provider Identifier (NPI) is 1356625560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Madden's specialty?
- William Madden is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Madden located?
- William Madden's practice location on file with NPPES is 64 Main St, Keene, NH 03431-3701.
- What is William Madden's phone number?
- The practice phone number listed in the NPPES registry for William Madden is (603) 283-1570.
- Is William Madden's NPI active?
- Yes — William Madden's NPI (1356625560) is active in the NPPES registry as of the last update on 2011-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.