Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Anthony Patterson Merrill, DO

Individual provider Internal Medicine Physician · NPI 1730399304

Dr. Anthony Patterson Merrill, DO is a Gastroenterology in Glendale, Arizona. Qualified in 2006, 20 years ago. Practices with Arizona Gastrointestinal Associates PLC, a 36-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
20
Licensed in
AZ
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

20100 N 51st Ave Ste F620
Glendale, AZ 85308-5084
Phone: (623) 376-6328
Fax: (623) 566-6454
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 005947 (AZ)
Internal Medicine Physician Taxonomy 207R00000X · Licence R938 (AZ)

Record details

NPI number1730399304
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJanuary 16, 2020
Certification dateJanuary 16, 2020
Mailing address20100 N 51st Ave Ste F620, Glendale, AZ 85308-5084

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Arizona Gastrointestinal Associates Plc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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