CODY SHAW NELSON MD, PHD
NPI 1053947051
Allergy & Immunology in Boston, MA
About Cody Shaw Nelson Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CODY SHAW NELSON MD, PHD (NPI 1053947051) is an individual allergy & immunology provider in Boston, Massachusetts, licensed in Massachusetts (294938) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses 2
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
Cody Shaw Nelson Md, Phd 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 Reassignment
Medicare enrollment records show Cody Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 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.
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 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Cody Nelson's NPI number?
The NPI number for Cody Nelson is 1053947051. It was assigned to this individual provider in the NPPES registry on March 21, 2020.
Where is Cody Nelson located?
Cody Nelson practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5500.
What is Cody Nelson's specialty?
The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.
Is Cody Nelson enrolled in Medicare?
Yes. Cody Nelson 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 organization bills Medicare for Cody Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cody Nelson reassigns Medicare benefits to Brigham & Womens Physicians Organization Inc (Boston, MA). The 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 Cody Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Cody Nelson was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Cody Shaw Nelson, MD, PHD · NPI 1053947051
Allergy & Immunology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 21, 2020.
## Identity
- **NPI:** 1053947051 (Entity type: Individual)
- **Enumerated:** March 21, 2020
- **Primary specialty:** Allergy & Immunology · taxonomy 207K00000X
- **State license:** 294938 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST, Boston, MA 02115-6106
- **Phone:** (617) 732-5500
## 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:** Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Duke University School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1053947051) · Data from the CMS NPPES public registry.