Quick answers
- Where does Stephen N. Marks see patients?
- Medicare's clinician data lists 3 practice locations, including Wasilla, AK and Anchorage, AK. Call before your visit to confirm the address.
- What is Stephen N. Marks's specialty?
- Medicare lists Allergy/Immunology as the primary specialty.
- Does Stephen N. Marks accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen N. Marks 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 Stephen N. Marks?
- (907) 562-6228, as listed in official Medicare / NPI Registry data.
- What is Stephen N. Marks's NPI number?
- 1437120235. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stephen N. Marks is enrolled with Medicare (CMS data updated 2026-10-02).
- 3543 E Meridian Park LoopWasilla, AK 99654 (907) 562‑6228
- 3841 Piper St, Suite T4 054Anchorage, AK 99508
- 3841 Piper St, T4 054Anchorage, AK 99508
Group practices
Medicare enrollment lists Stephen N. Marks as a member of this group (CMS data updated 2026-10-02).
- Allergy Asthma and Immunology Center of Alaska LLC7 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Alaska
Clinicians with the same Medicare primary specialty in Alaska — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437120235 |
| 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
- 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