Nathan Welham, SP
NPI 1831153444 · Speech-Language Pathologist · Madison, WI
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Welham, SP is a Speech-Language Pathologist provider in Madison, WI (NPI 1831153444).
Provider details
- NPI number
- 1831153444
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SP
- Sex
- Male
- Sole proprietor
- No
- License
- 2439 (WI)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-04-12
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Nathan Welham's NPI number?
- Nathan Welham's National Provider Identifier (NPI) is 1831153444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Welham's specialty?
- Nathan Welham is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Nathan Welham located?
- Nathan Welham's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792.
- What is Nathan Welham's phone number?
- The practice phone number listed in the NPPES registry for Nathan Welham is (608) 263-6190.
- Does Nathan Welham accept Medicare?
- Nathan Welham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Welham's NPI active?
- Yes — Nathan Welham's NPI (1831153444) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.