Stephanie Von Csiky-Sessoms
Dermatology Physician · Watertown, MA
Stephanie Von Csiky-Sessoms is a dermatology physician with a practice address in Watertown, Massachusetts, and NPI 1780212795, issued on Mar 27, 2020. Check the license (Massachusetts 1023183, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephanie Von Csiky-Sessoms
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 1023183 MA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Arsenal St, Watertown, MA 02472
- Phone
- (617) 657-6425
- Enumerated
- Mar 27, 2020
- Record last updated
- Sep 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20250815001439); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 2020
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 485 Arsenal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen, PHARMD, CDCES, BCACPAmbulatory Care Pharmacist1285890566
- Nicole Allie, PHARMD, CGPGeriatric Pharmacist1104933936
- Ehsan Azimi, M.D.Internal Medicine Physician1437475829
- Olivia Bass, NPFamily Nurse Practitioner1669209664
- Mark Bauer, M.D.Internal Medicine Physician1487625307
- Edward Bauman, PSYDPsychologist1174575674
Verify Stephanie Von Csiky-Sessoms in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1023183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average dermatology physician in 2024
101 Medicare Part D claims for 32 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Ketoconazole39 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 2 group practices
- Atrius Health IncWatertown, MA
- Reliant Medical Group IncWorcesteer, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Von Csiky-Sessoms among 627 dermatology physician records in Massachusetts
Stephanie Von Csiky-Sessoms is one of 627 dermatology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2020 · median 2008 among the 445 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Watertown → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Haoming XuWatertown, MA 024721134623549
- Michelle Bush, M.D.Arlington, MA 024761679503270
- Jeltje Koumans, M.D.Arlington, MA 024761467560789
- Anne Laraia, MDArlington, MA 024761215910716
- Kendra Martin, M.D.Arlington, MA 024761700054103
- Barry Paul, MDArlington, MA 024761801868757
- Kenneth Arndt, MDChestnut Hill, MA 024671265400535
- Jeffrey Dover, MDChestnut Hill, MA 024671316909005
Common questions
What is Stephanie Von Csiky-Sessoms's NPI number?
Stephanie Von Csiky-Sessoms's National Provider Identifier (NPI) is 1780212795, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Von Csiky-Sessoms located?
The NPPES record lists a practice address at 485 Arsenal St, Watertown, MA, 02472. Phone: (617) 657-6425. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Von Csiky-Sessoms's license?
NPPES lists Massachusetts license number 1023183, 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 Stephanie Von Csiky-Sessoms prescribe under Medicare Part D?
In 2024, Stephanie Von Csiky-Sessoms had 101 Medicare Part D claims for 32 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.