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

Ryan Din, MD

Individual provider Allergy & Immunology (Internal Medicine) Physician · NPI 1679139133

Ryan Din, MD is an Allergy/Immunology in Boston, Massachusetts. Graduated from Harvard Medical School in 2024, 2 years ago. Practices with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, a 1,676-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
2
Trained at
Harvard Medical School
Licensed in
MA
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

75 Kneeland St Fl 1
Boston, MA 02111-1901
Phone: (617) 804-6767
Fax: (877) 726-8492
Show map & directions

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

Additional practice locations (2)

  • 55 Fruit St, Boston, MA 02114-2621 — (617) 726-9700
  • 330 Brookline Ave, Boston, MA 02215-5400 — (617) 667-9600

Specialties & licences

Allergy & Immunology (Internal Medicine) Physician (primary) Taxonomy 207RA0201X · Licence 1020183 (MA)
Hospitalist Physician Taxonomy 208M00000X · Licence 1020183 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1020183 (MA)

Record details

NPI number1679139133
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2019
Last updated in NPPESFebruary 6, 2026
Certification dateFebruary 6, 2026

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2024 (2 years in practice)
Group practice Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc — 1676 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations8 on file with Medicare

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