Quick answers
- Which hospitals does Joseph C. Portera work at?
- Medicare's official clinician data lists Joseph C. Portera at 2 hospitals: Erlanger Medical Center and Memorial Healthcare System, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Joseph C. Portera see patients?
- Medicare's clinician data lists 1 practice location in Chattanooga, TN. Call before your visit to confirm the address.
- What is Joseph C. Portera's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Joseph C. Portera accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph C. Portera 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 Joseph C. Portera?
- (423) 894-1355, as listed in official Medicare / NPI Registry data.
- What is Joseph C. Portera's NPI number?
- 1821088410. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joseph C. Portera works
Medicare's Facility Affiliation Data lists Joseph C. Portera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Erlanger Medical CenterChattanooga, TN · Acute Care Hospital · CCN 440104
- Memorial Healthcare System, IncChattanooga, TN · Acute Care Hospital · CCN 440091
Practice locations
Addresses where Joseph C. Portera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1751 Gunbarrel Rd, Suite 200Chattanooga, TN 37421 (423) 894‑1355
Group practices
Medicare enrollment lists Joseph C. Portera as a member of these groups (CMS data updated 2026-10-02).
- Erlanger Health507 clinicians in the group
- Chattanooga Hamilton County Hospital Authority146 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Chattanooga
Clinicians with the same Medicare primary specialty in Chattanooga, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albany Medical College Of Union University |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821088410 |
| 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