Individual provider · Type 1 NPI

Jonathan Spencer Mellen, MD

Gastroenterology Physician · Phoenix, AZ

NPI number 1609919471 Active

Practice location

9305 W Thomas Rd, Ste 478
Phoenix, AZ 85037-3375

Call (623) 236-8507 Map

Fax (623) 236-8508

Other practice locations

  • 2400 S Avenue A, Yuma, AZ 85364-7170 · (928) 336-3213
  • 2490 S Woodworth Loop Ste 200, Palmer, AK 99645-7410 · (907) 861-6315
  • 1200 N Beaver St, Flagstaff, AZ 86001-3118 · (928) 773-2332

Specialties and licenses

TaxonomyCodeLicense
Gastroenterology Physician Primary 207RG0100X44619 (AZ)
Gastroenterology Physician 207RG0100X210986 (AK)

Gastroenterology Physician: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

62 other providers at this address

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About NPI 1609919471

Jonathan Spencer Mellen, MD's National Provider Identifier is 1609919471, issued on Feb 14, 2007. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Phoenix, AZ. The record was last updated on Jun 11, 2026.