Quick answers
- Where does Nathaniel P. Clark see patients?
- Medicare's clinician data lists 3 practice locations, including Portland, ME and Auburn, ME. Call before your visit to confirm the address.
- What is Nathaniel P. Clark's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Nathaniel P. Clark accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel P. Clark 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 Nathaniel P. Clark?
- (603) 883-0005, as listed in official Medicare / NPI Registry data.
- What is Nathaniel P. Clark's NPI number?
- 1891155792. 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 Nathaniel P. Clark is enrolled with Medicare (CMS data updated 2026-10-02).
- 11 Baxter Blvd, Fl 2Portland, ME 04101 (603) 883‑0005
- 306 Rodman RdAuburn, ME 04210 (207) 333‑3278
- 53 Baxter BlvdPortland, ME 04101 (603) 883‑0005
Group practices
Medicare enrollment lists Nathaniel P. Clark as a member of these groups (CMS data updated 2026-10-02).
- The Counseling Center of Nashua Inc258 clinicians in the group
- Health Affiliates Maine, LLC179 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Graduation year | 2012 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891155792 |
| 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