William Mcmiller, M.D.
NPI 1851518617 · Child & Adolescent Psychiatry Physician · Oak Park, IL
William Mcmiller, M.D. is a Child & Adolescent Psychiatry Physician provider in Oak Park, IL (NPI 1851518617).
Provider details
- NPI number
- 1851518617
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036-078553 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
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
- 2007-04-20
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is William Mcmiller's NPI number?
- William Mcmiller's National Provider Identifier (NPI) is 1851518617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mcmiller's specialty?
- William Mcmiller is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Mcmiller located?
- William Mcmiller's practice location on file with NPPES is 18 Lake St, Oak Park, IL 60302-2606.
- What is William Mcmiller's phone number?
- The practice phone number listed in the NPPES registry for William Mcmiller is (708) 434-0336.
- Is William Mcmiller's NPI active?
- Yes — William Mcmiller's NPI (1851518617) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.