Quick answers
- Which hospitals does Thomas S. Bailey Jr. work at?
- Medicare's official clinician data lists Thomas S. Bailey Jr. at 1 hospital: Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas S. Bailey Jr. see patients?
- Medicare's clinician data lists 4 practice locations, including Fullerton, CA, Mission Viejo, CA and San Clemente, CA. Call before your visit to confirm the address.
- What is Thomas S. Bailey Jr.'s specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Thomas S. Bailey Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas S. Bailey Jr. 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 Thomas S. Bailey Jr.?
- (714) 992-5350, as listed in official Medicare / NPI Registry data.
- What is Thomas S. Bailey Jr.'s NPI number?
- 1598714818. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas S. Bailey Jr. works
Medicare's Facility Affiliation Data lists Thomas S. Bailey Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · CCN 050567
Practice locations
Addresses where Thomas S. Bailey Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
- 26800 Crown Valley PkwyMission Viejo, CA 92691
- 27700 Medical Ctr RdMission Viejo, CA 92691 (949) 364‑1400
- 395 W Avenida Vista HermosaSan Clemente, CA 92672 (949) 304‑2117
Group practices
Medicare enrollment lists Thomas S. Bailey Jr. as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598714818 |
| 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