OrganizationActive
William F Hays MD, Ltd
NPI 1134449275 · Family Medicine Physician · Herrin, IL
William F Hays MD, Ltd is a Family Medicine Physician organization in Herrin, IL (NPI 1134449275).
Provider details
- NPI number
- 1134449275
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Hays, President(618) 997-4444
- License
- 36-056810 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
3305 Logan Dr
Herrin, IL 62948-3732
Phone: (618) 997-4444
Fax: (618) 993-1173
Street-level locationGet directions
Mailing address
3305 Logan Dr
Herrin, IL 62948-3732
Registry dates
- Enumerated
- 2010-06-10
- Last updated
- 2019-03-22
Frequently asked questions
- What is William F Hays MD, Ltd's NPI number?
- William F Hays MD, Ltd's National Provider Identifier (NPI) is 1134449275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William F Hays MD, Ltd?
- William F Hays MD, Ltd is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William F Hays MD, Ltd located?
- William F Hays MD, Ltd's practice location on file with NPPES is 3305 Logan Dr, Herrin, IL 62948-3732.
- What is William F Hays MD, Ltd's phone number?
- The practice phone number listed in the NPPES registry for William F Hays MD, Ltd is (618) 997-4444.
- Who is the authorized official for William F Hays MD, Ltd?
- The authorized official listed on William F Hays MD, Ltd's NPPES record is William Hays, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William F Hays MD, Ltd's NPI active?
- Yes — William F Hays MD, Ltd's NPI (1134449275) is active in the NPPES registry as of the last update on 2019-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.