# Mark Gregory Kiefner, PHD

Source: https://ourhealthnetwork.com/doctor/mark-kiefner-phd-1346457017
NPI: 1346457017
Data source: CMS NPI Registry (NPPES), refreshed monthly

## Quick facts

Mark Gregory Kiefner, PHD is a clinical psychologist based in Portland, ME with NPI 1346457017.

## Profile

- Primary specialty: Clinical Psychologist
- Credential: PHD
- Gender: Male
- NPI: 1346457017 ([NPPES record](https://npiregistry.cms.hhs.gov/provider-view/1346457017))

## Practice and contact

- Address: 26 Portland Street, Portland, ME, 04101
- Phone: (207) 761-8402

## Related on OurHealthNetwork

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