DR. MICHAEL B. COHEN M.D.
NPI 1821225988
Otolaryngology in Boston, MA
About Dr. Michael B. Cohen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL B. COHEN M.D. (NPI 1821225988) is an individual otolaryngology provider in Boston, Massachusetts, licensed in Massachusetts (259326) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael B. Cohen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Michael Cohen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 27 clinicians in this Medicare group
Winchester, MA 01890
- Reassigned Medicare billing, Massachusetts enrollment
- 221 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 477 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MAWinchester Hospital
Acute Care Hospitals · Winchester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Cohen's NPI number?
The NPI number for Michael Cohen is 1821225988. It was assigned to this individual provider in the NPPES registry on June 16, 2009.
Where is Michael Cohen located?
Michael Cohen practices at 830 Harrison Ave Suite 1400, Boston, MA 02118. The listed phone number is (617) 638-8124.
What is Michael Cohen's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Michael Cohen enrolled in Medicare?
Yes. Michael Cohen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael Cohen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Cohen reassigns Medicare benefits to 3 organizations: Bumc Otolaryngologic Foundation, Inc. (Boston, MA), Winchester Physician Associates, Inc (Winchester, MA) and Beth Israel Lahey Health Specialty Care, Inc. (Burlington, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Cohen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Cohen accept?
Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Michael Cohen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Cohen affiliated with any hospitals?
According to CMS data, Michael Cohen is affiliated with Boston Medical Center and Winchester Hospital.
When was this NPI record last updated?
The NPPES record for Michael Cohen was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Michael B. Cohen, M.D. · NPI 1821225988
Otolaryngology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 16, 2009.
## Identity
- **NPI:** 1821225988 (Entity type: Individual)
- **Enumerated:** June 16, 2009
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 259326 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 830 HARRISON AVE, SUITE 1400, Boston, MA 02118-2905
- **Phone:** (617) 638-8124 · **Fax:** (617) 414-4953
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Bumc Otolaryngologic Foundation, Inc. (NPI 1942257159, Boston, MA); Winchester Physician Associates, Inc (NPI 1184606865, Winchester, MA); Beth Israel Lahey Health Specialty Care, Inc. (NPI 1427161660, Burlington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2009
## Record status
- **NPPES last updated:** July 1, 2026
- **Other identifiers:** Medicaid 110093667A (MA); Medicaid 3116019 (NH)
---
Source: [NPI Profile](https://npiprofile.com/npi/1821225988) · Data from the CMS NPPES public registry.