Gerilyn Olsen, MD
Dermatology Physician · Boston, MA
Gerilyn Olsen, MD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1538746847, issued on Mar 24, 2021. Check the license (Massachusetts 1021464, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Gerilyn Olsen
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 1021464 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave # 522, Boston, MA 02215
- Phone
- (617) 667-4995
- Enumerated
- Mar 24, 2021
- Record last updated
- Jun 28, 2025
- Fax
- (617) 667-4948
- Medicare enrollment
- Enrolled (PECOS I20250528000234); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2021
- Entity
- Type 1 · individual
Also registered at 330 Brookline Ave # 522
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hope Barone, DODermatology Physician1245726991
- Bruna Galvao De Oliveira Wafae, MD, MMSCDermatology Physician1043020472
- Christopher Iriarte, MDDermatology Physician1770073751
- William Lewis, MDDermatology Physician1770015349
Verify Gerilyn Olsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1021464Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
Other dermatology physician records in Massachusetts
- Zainab AbbasWorcester, MA1609028000
- Christopher Adams, M.D.Boston, MA1871777615
- Adewunmi Adelaja, MD, PHDBoston, MA1396488615
- David Aghassi, MDWellesley, MA1285698936
- Abdul Ahmed, MDBoston, MA1417947516
- Ali Al-Haseni, M.D.Boston, MA1144751777
- Abdullah Alajaji, MDBoston, MA1356698351
- Rhoda Alani, M.D.Boston, MA1154385268
- Christina Alavian, M.D.Worcester, MA1356376461
- Lee Albert, MDMilford, MA1619974102
Common questions
What is Gerilyn Olsen, MD's NPI number?
Gerilyn Olsen, MD's National Provider Identifier (NPI) is 1538746847, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gerilyn Olsen, MD located?
The NPPES record lists a practice address at 330 Brookline Ave # 522, Boston, MA, 02215. Phone: (617) 667-4995. Providers update this record themselves, so call before visiting.
How can I verify Gerilyn Olsen, MD's license?
NPPES lists Massachusetts license number 1021464, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.