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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

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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