DR. MICHELLE DYRHOLM DO
NPI 1689106700
Anesthesiology in Boston, MA
About Dr. Michelle Dyrholm Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHELLE DYRHOLM DO (NPI 1689106700) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (290864) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2017).
NPPES Registry Identity
Specialties & Licenses
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. Michelle Dyrholm Do 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 Michelle Dyrholm reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 251 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAOther 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 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Michelle Dyrholm's NPI number?
The NPI number for Michelle Dyrholm is 1689106700. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Michelle Dyrholm located?
Michelle Dyrholm practices at 55 Fruit Street Grb 444, Boston, MA 02114. The listed phone number is (571) 814-8868.
What is Michelle Dyrholm's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Michelle Dyrholm enrolled in Medicare?
Yes. Michelle Dyrholm 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 Michelle Dyrholm's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Dyrholm reassigns Medicare benefits to 3 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and Regents Of The University Of California (San Diego, CA). 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 Michelle Dyrholm's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michelle Dyrholm accept?
Health plans from Taro Health list Michelle Dyrholm 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 Michelle Dyrholm affiliated with any hospitals?
According to CMS data, Michelle Dyrholm is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Michelle Dyrholm was last updated on April 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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. Michelle Dyrholm, DO · NPI 1689106700
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 29, 2017.
## Identity
- **NPI:** 1689106700 (Entity type: Individual)
- **Enumerated:** March 29, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 290864 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT STREET, GRB 444, Boston, MA 02114-0211
- **Phone:** (571) 814-8868
## 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): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Regents Of The University Of California (NPI 1356444897, San Diego, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2017
## Record status
- **NPPES last updated:** April 8, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1689106700) · Data from the CMS NPPES public registry.