Quick answers
- Which hospitals does Mark E. Riedmann Jr. work at?
- Medicare's official clinician data lists Mark E. Riedmann Jr. at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Riedmann Jr. see patients?
- Medicare's clinician data lists 2 practice locations, including Portland, ME and Scarborough, ME. Call before your visit to confirm the address.
- What is Mark E. Riedmann Jr.'s specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mark E. Riedmann Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Riedmann 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 Mark E. Riedmann Jr.?
- (207) 396-7000, as listed in official Medicare / NPI Registry data.
- What is Mark E. Riedmann Jr.'s NPI number?
- 1639401029. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark E. Riedmann Jr. works
Medicare's Facility Affiliation Data lists Mark E. Riedmann Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
Practice locations
Addresses where Mark E. Riedmann Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Bramhall StPortland, ME 04102
- 84 Campus DrScarborough, ME 04074 (207) 396‑7000
Group practices
Medicare enrollment lists Mark E. Riedmann Jr. as a member of this group (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Maine →
Other nurse anesthetists in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639401029 |
| 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