Stephen Takeo Nishiyama, MD
Pediatrics Physician · Waltham, MA
Stephen Takeo Nishiyama, MD is a pediatrics physician with a practice address in Waltham, Massachusetts, and NPI 1710978622, issued on Oct 31, 2005. Check the license (Massachusetts 81412, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen Takeo Nishiyama
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 81412 MA
Self-reported in NPPES; status is on the state search - Practice location
- 40 Second Ave, Waltham, MA 02451
- Phone
- (781) 487-4340
- Enumerated
- Oct 31, 2005
- Record last updated
- Jan 3, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (781) 487-4341
- Medicaid ID
- 3141683 MA
- Medicare enrollment
- Enrolled (PECOS I20080904000521); accepts Medicare assignment
- Medical or professional school
- University Of Vermont College Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Also registered at 40 Second Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christina Gelev, MDInternal Medicine Physician1518958131
- Aubrey Katz, MDPediatric Gastroenterology Physician1417921149
- Charles Kelly, MDAnesthesiology Physician1083674352
- Judith Manzer, CRNACertified Registered Nurse Anesthetist1831276310
Verify Stephen Takeo Nishiyama in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81412Check 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: $890.07
6 payments; by number, the most common kind was travel and lodging; the largest payer was Smith+Nephew, Inc. The 21,580 providers of this specialty with any payment received $842.05 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
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Takeo Nishiyama among 2,628 pediatrics physician records in Massachusetts
Stephen Takeo Nishiyama, MD is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1991 · median 2010 among the 319 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Massachusetts
There are 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Waltham → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Margaret Fallon, MDWaltham, MA 024511780104968
- Peter Greenspan, MDWaltham, MA 024511295725885
- Beth McCabe, MDWaltham, MA 024511114908902
- Victoria McEvoy, MDWaltham, MA 024511568453181
- Myron Peterson, M.D.Waltham, MA 024511194868596
- Cynthia Sacco, M.D.Waltham, MA 024511164576237
- Jonathan Winickoff, MD MPHWaltham, MA 024511720049760
- Sarah Zimmerman, MDWaltham, MA 024511295861961
Common questions
What is Stephen Takeo Nishiyama, MD's NPI number?
Stephen Takeo Nishiyama, MD's National Provider Identifier (NPI) is 1710978622, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Takeo Nishiyama, MD located?
The NPPES record lists a practice address at 40 Second Ave, Waltham, MA, 02451. Phone: (781) 487-4340. Providers update this record themselves, so call before visiting.
How can I verify Stephen Takeo Nishiyama, MD's license?
NPPES lists Massachusetts license number 81412, 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.