ARIANA W RUDNICK MD
NPI 1891215075
Pediatrics in Boston, MA
About Ariana W Rudnick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARIANA W RUDNICK MD (NPI 1891215075) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (271241) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS.
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 (PECOS)
Ariana W Rudnick Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ariana Rudnick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 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 Ariana Rudnick's NPI number?
The NPI number for Ariana Rudnick is 1891215075. It was assigned to this individual provider in the NPPES registry on June 20, 2017.
Where is Ariana Rudnick located?
Ariana Rudnick practices at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Ariana Rudnick's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ariana Rudnick enrolled in Medicare?
Yes. Ariana Rudnick is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ariana Rudnick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ariana Rudnick reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, 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 Ariana Rudnick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ariana Rudnick accept?
Health plans from Taro Health list Ariana Rudnick 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.
When was this NPI record last updated?
The NPPES record for Ariana Rudnick was last updated on June 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Ariana W Rudnick, MD · NPI 1891215075
Pediatrics physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 20, 2017.
## Identity
- **NPI:** 1891215075 (Entity type: Individual)
- **Enumerated:** June 20, 2017
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 271241 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT ST., Boston, MA 02114
- **Phone:** (617) 726-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cambridge Public Health Commission (NPI 1932313228, Cambridge, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 20, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1891215075) · Data from the CMS NPPES public registry.