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

Mr. Andrew Michael Flanagan, DO

Individual provider Emergency Medicine Physician · NPI 1578723011

Mr. Andrew Michael Flanagan, DO is an Emergency Medicine in East Patchogue, New York. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 2007, 19 years ago. Practices with North Shore Hematology Oncology Associates PC, a 473-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
19
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
NY
In the registry since
2008
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

101 Hospital Rd
East Patchogue, NY 11772-4870
Phone: (631) 654-7763
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 258009 (NY)

Record details

NPI number1578723011
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 9, 2008
Last updated in NPPESJune 21, 2012
Mailing address5 Williams Boulevard, Apt 2p, Lake Grove, NY 11755

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 2007 (19 years in practice)
Group practice North Shore Hematology Oncology Associates Pc — 473 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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