Nicholas Tsitsilianos, MD
Physical Medicine & Rehabilitation Physician · Worcester, MA
Nicholas Tsitsilianos, MD is a physical medicine & rehabilitation physician with a practice address in Worcester, Massachusetts, and NPI 1386200780, issued on May 13, 2019. Check the license (Massachusetts 1020916, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicholas Tsitsilianos
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 1020916 MA
Self-reported in NPPES; status is on the state search - Practice location
- 281 Lincoln St, Worcester, MA 01605
- Phone
- (508) 334-6606
- Enumerated
- May 13, 2019
- Record last updated
- Jan 28, 2025
- Fax
- (508) 334-9762
- Medicare enrollment
- Enrolled (PECOS I20250204000315); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 353 in Massachusetts → Look up another NPI →
Also registered at 281 Lincoln St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas Tsitsilianos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1020916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $142.13
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Tsitsilianos among 353 physical medicine & rehabilitation physician records in Massachusetts
Nicholas Tsitsilianos, MD is one of 353 physical medicine & rehabilitation physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2006 among the 209 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Massachusetts
There are 353 physical medicine & rehabilitation physician records in Massachusetts.
All 353 in Massachusetts → Every provider in Worcester → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Trista Brown, MDWorcester, MA 016051992791339
- Andrew Duarte, MDWorcester, MA 016051396270526
- Minjin Fromm, M.D.Worcester, MA 016051598958803
- David Mazin, M.D.Worcester, MA 016051699832485
- Stefan Muzin, MDWorcester, MA 016051194911545
- Soun Sheen, M.D.Worcester, MA 016051346774676
- Faren Williams, M.D.Worcester, MA 016051346207271
- Angela Yang, M.D.Worcester, MA 016051053504894
Common questions
What is Nicholas Tsitsilianos, MD's NPI number?
Nicholas Tsitsilianos, MD's National Provider Identifier (NPI) is 1386200780, issued on May 13, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Tsitsilianos, MD located?
The NPPES record lists a practice address at 281 Lincoln St, Worcester, MA, 01605. Phone: (508) 334-6606. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Tsitsilianos, MD's license?
NPPES lists Massachusetts license number 1020916, 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.