Melanie Hahndorf
NPI 1639904840 · Speech-Language Pathologist · Woodstock, IL
Melanie Hahndorf is a Speech-Language Pathologist provider in Woodstock, IL (NPI 1639904840).
Provider details
- NPI number
- 1639904840
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 146.018595 (IL)
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
1 yr 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
- 2024-09-06
- Last updated
- 2026-04-03
- Certified
- 2026-04-03
Frequently asked questions
- What is Melanie Hahndorf's NPI number?
- Melanie Hahndorf's National Provider Identifier (NPI) is 1639904840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melanie Hahndorf's specialty?
- Melanie Hahndorf is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Melanie Hahndorf located?
- Melanie Hahndorf's practice location on file with NPPES is 3701 Doty Rd, Woodstock, IL 60098-7509.
- What is Melanie Hahndorf's phone number?
- The practice phone number listed in the NPPES registry for Melanie Hahndorf is (815) 338-2500.
- Is Melanie Hahndorf's NPI active?
- Yes — Melanie Hahndorf's NPI (1639904840) is active in the NPPES registry as of the last update on 2026-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.