Nicholas Theodosakis, MD, PHD
Dermatology Physician · Boston, MA
Nicholas Theodosakis, MD, PHD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1992235311, issued on Jun 18, 2017. Check the license (Massachusetts 287040, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicholas Theodosakis
- Credential
- MD, PHD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 287040 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Staniford St Ste 200, Boston, MA 02114
- Phone
- (617) 726-2914
- Enumerated
- Jun 18, 2017
- Record last updated
- Aug 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211004003162); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 2017
- Entity
- Type 1 · individual
Also registered at 50 Staniford St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Alvarez Cespedes, MD, MSDermatology Physician1346816568
- Andrew King, MD, PHDDermatology Physician1447719273
- David Miller, M.D., PH.D.Dermatology Physician1356662373
- Charles Taylor, MDDermatology Physician1972593069
- Janice Tiao, M.D.Dermatology Physician1093179533
- Arianna Yanes, MDDermatology Physician1225402100
Verify Nicholas Theodosakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 287040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average dermatology physician in 2024
215 Medicare Part D claims for 67 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Triamcinolone Acetonide38 claims
- Betamethasone Diprop Augmented25 claims
- Prednisone24 claims
- Ketoconazole18 claims
- Hydrocortisone16 claims
- Clobetasol Propionate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization 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 Nicholas Theodosakis, MD, PHD's NPI number?
Nicholas Theodosakis, MD, PHD's National Provider Identifier (NPI) is 1992235311, issued on Jun 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Theodosakis, MD, PHD located?
The NPPES record lists a practice address at 50 Staniford St Ste 200, Boston, MA, 02114. Phone: (617) 726-2914. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Theodosakis, MD, PHD's license?
NPPES lists Massachusetts license number 287040, 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.
How much does Nicholas Theodosakis, MD, PHD prescribe under Medicare Part D?
In 2024, Nicholas Theodosakis, MD, PHD had 215 Medicare Part D claims for 67 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
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.