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

Dr. Daniel Patrick Ryan, MD

Individual provider Pediatric Surgery Physician · NPI 1851382733

Dr. Daniel Patrick Ryan, MD is a General Surgery in Boston, Massachusetts. Graduated from Johns Hopkins University School of Medicine in 1979, 47 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
47
Trained at
Johns Hopkins University School of Medicine
Licensed in
MA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

55 Fruit St Wrn 1121
Boston, MA 02114-2696
Phone: (617) 726-8878
Fax: (617) 726-2167
Show map & directions

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

Specialties & licences

Pediatric Surgery Physician (primary) Taxonomy 2086S0120X · Licence 52328 (MA)

Record details

NPI number1851382733
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 31, 2005
Last updated in NPPESJuly 13, 2026
Mailing addressPo Box 9142, Charlestown, MA 02129-9142

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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