Constantine Velmahos, BS
Urology Physician · Boston, MA
Constantine Velmahos, BS is a urology physician with a practice address in Boston, Massachusetts, and NPI 1730945569, issued on Feb 28, 2024. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Constantine Velmahos
- Credential
- BS
- Primary taxonomy
- Urology Physician 208800000X
- Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 726-2000
- Enumerated
- Feb 28, 2024
- Record last updated
- Feb 28, 2024
- Entity
- Type 1 · individual
8 nearest urology physician records → All 377 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Constantine Velmahos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average urology physician in 2024
20 Medicare Part D claims for 14 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $17.50
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Constantine Velmahos among 377 urology physician records in Massachusetts
Constantine Velmahos, BS is one of 377 urology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 97% of them.
- NPI issued2024 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Massachusetts
There are 377 urology physician records in Massachusetts.
All 377 in Massachusetts → Every provider in Boston → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Michael Blute, M.D.Boston, MA 021141437120037
- Douglas Dahl, MDBoston, MA 021141639160807
- Adam Feldman, MDBoston, MA 021141457342636
- Pablo Gomery, MDBoston, MA 021141477527109
- Niall Heney, MB MDBoston, MA 021141134195639
- W McDougal, MDBoston, MA 021141740270917
- Francis McGovern, MDBoston, MA 021141124092853
- Ajay Nehra, M.D.Boston, MA 021141841278165
Common questions
What is Constantine Velmahos, BS's NPI number?
Constantine Velmahos, BS's National Provider Identifier (NPI) is 1730945569, issued on Feb 28, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Constantine Velmahos, BS located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.
How can I verify Constantine Velmahos, BS's license?
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 Constantine Velmahos, BS prescribe under Medicare Part D?
In 2024, Constantine Velmahos, BS had 20 Medicare Part D claims for 14 beneficiaries; the average among urology physician prescribers was 1,340. 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.