DR. JOSHUA NAGLER MD
NPI 1891741369
Pediatrics - Pediatric Emergency Medicine in Boston, MA
About Dr. Joshua Nagler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA NAGLER MD (NPI 1891741369) is an individual pediatric emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (211237) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Js Weill Medical College, Cornell University (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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. Joshua Nagler Md 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 Joshua Nagler 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
- 1,358 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
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 Joshua Nagler's NPI number?
The NPI number for Joshua Nagler is 1891741369. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Joshua Nagler located?
Joshua Nagler practices at 300 Longwood Ave Cb 0120, Boston, MA 02115. The listed phone number is (617) 355-6624.
What is Joshua Nagler's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.
Is Joshua Nagler enrolled in Medicare?
Yes. Joshua Nagler 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 Joshua Nagler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Nagler reassigns Medicare benefits to Children's Hospital Pediatric Associates, 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 Joshua Nagler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Nagler accept?
Health plans from Taro Health list Joshua Nagler 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 Joshua Nagler was last updated on June 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Joshua Nagler, MD · NPI 1891741369
Pediatric Emergency Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1891741369 (Entity type: Individual)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Pediatrics - Pediatric Emergency Medicine · taxonomy 2080P0204X
- **State license:** 211237 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, CB 0120, Boston, MA 02115-5724
- **Phone:** (617) 355-6624 · **Fax:** (617) 730-0335
## 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:** Children's Hospital Pediatric Associates, Inc (NPI 1457306664, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 1998
## Record status
- **NPPES last updated:** June 26, 2015
- **Other identifiers:** Medicare ID-Type Unspecified 0152668 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1891741369) · Data from the CMS NPPES public registry.