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

Dr. Erick Matthew O'Brien, DO

Individual provider Emergency Medicine Physician · NPI 1306232178

Dr. Erick Matthew O'Brien, DO is an Emergency Medicine in Buffalo, New York. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2015, 11 years ago. Practices with Emergency Professional Services PC, a 107-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
11
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
AZ
In the registry since
2015
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.

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Practice location Address checks out

100 High St
Buffalo, NY 14203-1126
Phone: (716) 859-1499
Fax: (716) 859-1555
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1111 E McDowell Rd, Phoenix, AZ 85006 — (480) 500-2540

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 007626 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1306232178
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 8, 2015
Last updated in NPPESMarch 15, 2021
Certification dateMarch 15, 2021
Mailing address645 E Missouri Ave Ste 300, Phoenix, AZ 85012-1351

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2015 (11 years in practice)
Group practice Emergency Professional Services Pc — 107 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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