Ai-Ris Yonekura Collier, M.D.
Maternal & Fetal Medicine Physician · Boston, MA
Ai-Ris Yonekura Collier, M.D. is a maternal & fetal medicine physician with a practice address in Boston, Massachusetts, and NPI 1750675351, issued on Jun 1, 2011. Check the license (Massachusetts 263264, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ai-Ris Yonekura Collier
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 263264 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-4836
- Enumerated
- Jun 1, 2011
- Record last updated
- Jan 11, 2024
- Fax
- (617) 667-2231
- Medicare enrollment
- Enrolled (PECOS I20151008000338); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2011
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 92 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
- Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
- Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
- Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760
Verify Ai-Ris Yonekura Collier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 263264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ai-Ris Yonekura Collier among 92 maternal & fetal medicine physician records in Massachusetts
Ai-Ris Yonekura Collier, M.D. is one of 92 maternal & fetal medicine physician records with a practice address in Massachusetts. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 62% of them.
- NPI issued2011 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2011 · median 2005 among the 75 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in Massachusetts
There are 92 maternal & fetal medicine physician records in Massachusetts.
All 92 in Massachusetts → Every provider in Boston → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Achilles Athanassiou, M.D.Boston, MA 022151730159419
- Cassandra Duffy, M.D. M.P.H.Boston, MA 022151770840274
- Millie Ferres, M.D.Boston, MA 022151568789337
- Kee-Hak Lim, M.D.Boston, MA 022151215919428
- Sarah Little, MDBoston, MA 022151396936415
- Kolawole Oyelese, M.D.Boston, MA 022151568407955
- Deborah Platek, MDBoston, MA 022151760581334
- Melissa Spiel, D.O.Boston, MA 022151285955096
Common questions
What is Ai-Ris Yonekura Collier, M.D.'s NPI number?
Ai-Ris Yonekura Collier, M.D.'s National Provider Identifier (NPI) is 1750675351, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ai-Ris Yonekura Collier, M.D. located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-4836. Providers update this record themselves, so call before visiting.
How can I verify Ai-Ris Yonekura Collier, M.D.'s license?
NPPES lists Massachusetts license number 263264, 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.