ALISON L. NELSON D.O.
NPI 1083095137
Internal Medicine - Infectious Disease in Boston, MA
About Alison L. Nelson D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON L. NELSON D.O. (NPI 1083095137) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (285262) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
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
Alison L. Nelson D.o. 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 Alison Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 573 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.
Boston Medical Center
Acute Care Hospitals · Boston, 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alison Nelson's NPI number?
The NPI number for Alison Nelson is 1083095137. It was assigned to this individual provider in the NPPES registry on June 15, 2015.
Where is Alison Nelson located?
Alison Nelson practices at 801 Massachusetts Ave Ste 2, Boston, MA 02118. The listed phone number is (617) 414-7019.
What is Alison Nelson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Alison Nelson enrolled in Medicare?
Yes. Alison 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 Alison Nelson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Nelson reassigns Medicare benefits to Evans Medical Foundation, 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 Alison Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Nelson accept?
Health plans from Taro Health and WellSense Health Plan list Alison Nelson 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 Alison Nelson affiliated with any hospitals?
According to CMS data, Alison Nelson is affiliated with Boston Medical Center.
When was this NPI record last updated?
The NPPES record for Alison Nelson was last updated on April 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Alison L. Nelson, D.O. · NPI 1083095137
Infectious Disease physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 15, 2015.
## Identity
- **NPI:** 1083095137 (Entity type: Individual)
- **Enumerated:** June 15, 2015
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 285262 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 MASSACHUSETTS AVE STE 2, Boston, MA 02118-2605
- **Phone:** (617) 414-7019 · **Fax:** (617) 414-2875
## 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:** Evans Medical Foundation, Inc. (NPI 1912954124, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** April 1, 2024
- **Other identifiers:** Medicaid 110136806A (MA); Medicaid 3143593 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1083095137) · Data from the CMS NPPES public registry.