John Bordiuk, MD
Internal Medicine Physician · Wellesley, MA
John Bordiuk, MD is an internal medicine physician with a practice address in Wellesley, Massachusetts, and NPI 1568571396, issued on Aug 29, 2006. Check the license (Massachusetts 77100, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Bordiuk
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 77100 MA
Self-reported in NPPES; status is on the state search - Practice location
- 65 Walnut St, Wellesley, MA 02481
- Phone
- (781) 239-9900
- Enumerated
- Aug 29, 2006
- Record last updated
- Feb 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (781) 239-9953
- Medicare enrollment
- Enrolled (PECOS I20041216000742); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 65 Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessie Bernstein, NPNurse Practitioner1194078436
- Sneha Campanella, PAMedical Physician Assistant1679778963
- Patricia Davis, MDPediatrics Physician1144210915
Verify John Bordiuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 77100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,043 Medicare Part D claims for 138 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 64 claims were for opioids.
Most prescribed
- Atorvastatin Calcium57 claims
- Levothyroxine Sodium52 claims
- Lorazepam43 claims
- Rosuvastatin Calcium36 claims
- Clonazepam35 claims
- Finasteride31 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
- Inner Balance Integrative Medicine LLCWellesley, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Bordiuk among 6,825 internal medicine physician records in Massachusetts
John Bordiuk, MD 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1988 · median 2004 among the 4,103 with a school on file
- Record last updated2013 · 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).
81 internal medicine physician records list a practice address in Wellesley
They are 81 of the 1,117 NPPES records with a practice address in Wellesley, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Wellesley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mitchell Abramson, M.D.Wellesley Hills, MA 024811417952284
- Dea Angiolillo, M.D.Wellesley, MA 024811649241985
- Mary Barker, M.D.Wellesley, MA 024811215908132
- Peter Britton, M.D.Wellesley, MA 024811184695082
- Mary Brogan, M.D.Wellesley, MA 024811912987454
- Carol Burd, M.D.Wellesley, MA 024811114998036
- Nancy Corliss, MDWellesley, MA 024811699763482
- Steven Flier, M.D.Wellesley, MA 024811013905751
Common questions
What is John Bordiuk, MD's NPI number?
John Bordiuk, MD's National Provider Identifier (NPI) is 1568571396, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Bordiuk, MD located?
The NPPES record lists a practice address at 65 Walnut St, Wellesley, MA, 02481. Phone: (781) 239-9900. Providers update this record themselves, so call before visiting.
How can I verify John Bordiuk, MD's license?
NPPES lists Massachusetts license number 77100, 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 John Bordiuk, MD prescribe under Medicare Part D?
In 2024, John Bordiuk, MD had 1,043 Medicare Part D claims for 138 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.