Shiavax Cowasji, M.D.
Internal Medicine Physician · Worcester, MA
Shiavax Cowasji, M.D. is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1679603617, issued on Mar 7, 2007. Check the license (Massachusetts 274136, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Shiavax Cowasji
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 274136 MA
ND 9484 ND
12574 RI
Self-reported in NPPES; status is on the state search - Practice location
- 385 Grove St, Worcester, MA 01605
- Phone
- (150) 836-8553
- Enumerated
- Mar 7, 2007
- Record last updated
- May 7, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 12885 ND
- Medicare enrollment
- Enrolled (PECOS I20180517000315); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 385 Grove St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tara Deso, NPGerontology Nurse Practitioner1306490396
- Cara Simpson, GNPNurse Practitioner1053397349
- Antonio Torres, MDAnesthesiology Physician1336301399
Verify Shiavax Cowasji in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 274136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,523 Medicare Part D claims for 227 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 42 claims were for opioids.
Most prescribed
- Furosemide385 claims
- Eliquis315 claims
- Atorvastatin Calcium312 claims
- Warfarin Sodium223 claims
- Metoprolol Succinate209 claims
- Gabapentin171 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
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shiavax Cowasji among 6,825 internal medicine physician records in Massachusetts
Shiavax Cowasji, M.D. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2004 among the 4,103 with a school on file
- Record last updated2018 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Casal, M.D.Worcester, MA 016051609859503
- Paula Cullinane, M.D.Worcester, MA 016051952384950
- Michael Galica, M.D.Worcester, MA 016051972586733
- Maria Garcia, M.D.Worcester, MA 016051396726220
- Mary Hawthorne, M.D.Worcester, MA 016051013990787
- Gayatridevi Ika, M.D.Worcester, MA 016051124001102
- Jayanthi Kumar, M.D.Worcester, MA 016051528041423
- Christine Macginnis, D.O.Worcester, MA 016051952382772
Common questions
What is Shiavax Cowasji, M.D.'s NPI number?
Shiavax Cowasji, M.D.'s National Provider Identifier (NPI) is 1679603617, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Shiavax Cowasji, M.D. located?
The NPPES record lists a practice address at 385 Grove St, Worcester, MA, 01605. Phone: (150) 836-8553. Providers update this record themselves, so call before visiting.
How can I verify Shiavax Cowasji, M.D.'s license?
NPPES lists Massachusetts license number 274136, 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 Shiavax Cowasji, M.D. prescribe under Medicare Part D?
In 2024, Shiavax Cowasji, M.D. had 6,523 Medicare Part D claims for 227 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.