IndividualActive
William Seydel, D.O.
NPI 1326574385 · Psychiatry Physician · East Lansing, MI
William Seydel, D.O. is a Psychiatry Physician provider in East Lansing, MI (NPI 1326574385).
Provider details
- NPI number
- 1326574385
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101023090 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
463 E Circle Dr
East Lansing, MI 48824-7500
Phone: (517) 884-6546
Fax: (517) 432-9460
Approximate (ZIP-level) locationGet directions
Mailing address
804 Service Rd Ste A109b
East Lansing, MI 48824-7015
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2023-06-21
- Certified
- 2023-06-21
Frequently asked questions
- What is William Seydel's NPI number?
- William Seydel's National Provider Identifier (NPI) is 1326574385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Seydel's specialty?
- William Seydel is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is William Seydel located?
- William Seydel's practice location on file with NPPES is 463 E Circle Dr, East Lansing, MI 48824-7500.
- What is William Seydel's phone number?
- The practice phone number listed in the NPPES registry for William Seydel is (517) 884-6546.
- Is William Seydel's NPI active?
- Yes — William Seydel's NPI (1326574385) is active in the NPPES registry as of the last update on 2023-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.