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5 out of 5 · 533 reviews

Psychiatry • Flagstaff, AZ

Clinic Type

Psychiatry (multi-location group)

Address

1200 North Beaver Street, Flagstaff, AZ 86001; 5130 North US Highway 89, Flagstaff, AZ 86004; 1215 North Beaver Street, Flagstaff, AZ 86001

Phone

928-779-3366

Email

patientportal@NAHealth.com

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

If you are experiencing a medical emergency, please call 9-1-1.

Services Offered

  • Psychiatry

Team

  • Johnny Henderson, Behavioral Medicine, Psychiatry — MD
  • Sherri Gallagher, Psychiatry — Ph.D
  • Emily Mammenga, Behavioral Health, Psychiatry — MD
  • Alyssa Norman, Behavioral Medicine, Psychiatry — MD
  • Matthew Bond, Behavioral Medicine, Psychiatry — MD
  • Tim Buschmann, Psychiatry, Behavioral Health — Ph.D
  • Mia Hazle, Behavioral Medicine, Psychiatry — MD
  • Adam Graff, Behavioral Medicine, Psychiatry — MD

Insurance & Payment

—

Languages Spoken

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FAQs

What should I do if I have COVID-19 symptoms?

If you have tested positive for COVID-19 in the last 10 days, please call our office to schedule an appointment.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Tebra/Paperflower Psychiatry: 5.0/5.0 across 533 reviews (533)
  • WebMD (Dr. Harold Figueroa): 5.0/5.0 across 38 ratings (38)
  • WebMD (Dr. Adam Graff): 5.0/5.0 across 17 ratings (17)
  • Healthgrades (Dr. Johnny Henderson): 2.0/5.0 based on 1 review (1)
  • Vitals (Dr. John K. Mueller): Mixed (14 ratings, 6 reviews) (14)
  • US News (Dr. Heather K. Boyle): 5.0/5.0 based on 24 reviews (24)
  • Vitals (Dr. Heather K. Boyle): 4.7/5.0 based on 10 ratings (10)

Patients praise

  • High levels of patient appreciation for doctors who take time to listen
  • Positive feedback regarding staff courtesy and professional knowledge
  • Effective communication and ease of scheduling for some providers

Common complaints

  • Reports of breach of patient trust
  • Concerns regarding billing practices, including high costs and lack of insurance acceptance
  • Criticism regarding prescription practices and alleged lack of informed consent

"Melody is an amazing psychiatrist and I ALWAYS learn something new from her... She's always so supportive and kind."

— Tebra (Paperflower Psychiatry review)

"This fraudulent provider ruined my life by prescribing toxic neuroleptic Rxs that shut down my frontal lobes... Avoid this doctor."

— Vitals (Review of Dr. John K. Mueller)

"She listened to me! She really listened to me!!! The most important thing."

— Vitals (Review of Dr. Heather K. Boyle)

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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