Kenneth M Grundfast, M.D.
Otolaryngology (CMS) · Boston, MA
At a glance
830 Harrison Ave, Boston, MA 02118
NPPES record updated Aug 25, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
830 Harrison Ave Ste 1400Boston, MA 02118
Additional reported practice locations
800 Huntington AveBoston, MA 021156303
Phone: 6179366160 2300 M St Nw
Washington, DC 200371434
Phone: 2027413574 243 Charles St
Boston, MA 021143002
Phone: 6175735526
Education & affiliations
- Medical / professional school
- State University Of Ny Upstate Medical University
- Graduation year
- 1969
- CMS specialties
- Otolaryngology
Practice groups
- Bumc Otolaryngologic Foundation Inc
- Massachusetts Eye And Ear Associates, Inc
- Medical Faculty Associates, Inc
- New England Ear Nose And Throat Llc
Reported hospital affiliations
- Boston Medical Center Boston, MA
- Massachusetts Eye And Ear Infirmary - Boston, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Otolaryngology (CMS)
- Taxonomy code
- 207Y00000X
- Enumeration date
- Apr 6, 2006
- Record updated
- Aug 25, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207Y00000X
License reported: MD6119 DC
207Y00000X · Primary
License reported: 160725 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
830 Harrison AveSte 1400
Boston, MA 02118
- Phone
- (617) 638-8124
- Fax
- (617) 414-4953
Mailing address
960 MASSACHUSSETTS AVENUEFL 2
BOSTON, MA 021182690
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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