Quick answers
- Which hospitals does Michael J. Sullivan Iii work at?
- Medicare's official clinician data lists Michael J. Sullivan Iii at 1 hospital: York General Health Care Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael J. Sullivan Iii see patients?
- Medicare's clinician data lists 1 practice location in Lincoln, NE. Call before your visit to confirm the address.
- What is Michael J. Sullivan Iii's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Internal Medicine.
- Does Michael J. Sullivan Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Michael J. Sullivan Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Michael J. Sullivan Iii?
- (402) 464-5969, as listed in official Medicare / NPI Registry data.
- What is Michael J. Sullivan Iii's NPI number?
- 1144282096. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael J. Sullivan Iii works
Medicare's Facility Affiliation Data lists Michael J. Sullivan Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- York General Health Care ServicesYork, NE · Critical Access Hospital · CCN 281336
Practice locations
Addresses where Michael J. Sullivan Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 600 N Cotner Blvd, Suite 208Lincoln, NE 68505 (402) 464‑5969
Group practices
Medicare enrollment lists Michael J. Sullivan Iii as a member of this group (CMS data updated 2026-10-02).
- Allergy Asthma and Immunology Associates PC15 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Internal Medicinealso
Other allergist and immunologists in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144282096 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians