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

Gerilyn Olsen, MD

Individual provider Dermatology Physician · NPI 1538746847

Gerilyn Olsen, MD is a Dermatology in Boston, Massachusetts. Graduated from Medical College of Wisconsin in 2021, 5 years ago. Practices with Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc, a 1,676-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
5
Trained at
Medical College of Wisconsin
Licensed in
MA
In the registry since
2021
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

330 Brookline Ave # 522
Boston, MA 02215-5400
Phone: (617) 667-4995
Fax: (617) 667-4948
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 999 N 92nd St Ste 730, Milwaukee, WI 53226-4875 — (414) 266-6800

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 1021464 (MA)

Record details

NPI number1538746847
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESJune 28, 2025
Certification dateJune 28, 2025
Mailing address999 N 92nd St Ste 730, Milwaukee, WI 53226-4875

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2021 (5 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

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