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Kristy Fassler, ND - Proactive Healing
Physician reported in record NPI recorded: 1811288301

Kristy Fassler, ND - Proactive Healing

875 Greenland Rd Unit A-1, Portsmouth, NH 03801, USA
5.0 Google review total in record: 3.

About this record

Website listed in record:
https://www.drkfassler.com Not a source citation for every field.
Phone listed in record:
+1 603-505-8923. Confirm this contact detail with the clinic. A recorded number is not a verified contact check.
Record updated:
Upstream timestamp (scope unspecified):
Not available.
Physician, NPI and OIG check sources and dates:
Not available.
Treatment, price and contact field source dates:
Not available.

Neither timestamp establishes a credential, treatment or safety check. An NPI in the record is an identifier, not credential verification. A reported physician flag does not establish current staffing or licensure. Missing or false flags are not clearance findings.

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About this clinic

Kristy Fassler, ND – Proactive Healing is a naturopathic-medicine clinic in Portsmouth offering an integrative approach to chronic health conditions and hormone imbalance. The practice specializes in functional-medicine workups for thyroid dysfunction and hypothyroidism, combining comprehensive lab assessment with physical examination to identify root causes of symptoms rather than treating in isolation. Dr. Fassler, ND, integrates chiropractic care, detoxification protocols, and laser therapy into individualized treatment plans. The clinic addresses conditions including Lyme disease, chronic fatigue, and osteoporosis, with an emphasis on patient education and active participation in the healing process.

Treatments offered

Laser Therapy (LLLT)

Emerging evidence

Lyme Disease Treatment

Strong evidence

Hormone Replacement Therapy (HRT)

Strong evidence

Contact information

View on map
875 Greenland Rd Unit A-1, Portsmouth, NH 03801, USA
Website

Clinic specialties

Hormone Optimization Laser Therapy

Office hours

Monday
9am – 5:30pm
Tuesday – Wednesday
Closed
Thursday
9am – 5:30pm
Friday – Sunday
Closed

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Google reviews in this record

Google review total in record: 3. Google data last synced: . Sync time is not the date of a clinical or credential check.

Showing an imported sample of 3 Google reviews. Up to three appear below; the dialog contains the available imported rows. This sample is not a clinical assessment.

5.0

Google aggregate rating in record, not the sample average.

Distribution of 3 imported reviews, not all Google reviews.

5 ★ 100%
4 ★ 0%
3 ★ 0%
2 ★ 0%
1 ★ 0%

Dr fassler is brilliant! When most doctors just test to rule out a few things and then just treat the symptoms .. she actually listens and helps your figure out the cause and then helps you deal with it! I couldn’t be more impressed

Stephanie Adams · Published March 2, 2026

Dr. Fassler is very knowledgeable. She helped me and my family during COVID. She saved my wife from the MDs who wanted to remove her gallbladder. My family definitely will be consulting with her in the future.

Richard Clocher · Published February 7, 2025

naoto inoue · Published January 17, 2024

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