DR. JOHN N MULLER JR. MD
NPI 1649899501
Plastic Surgery in Boston, MA
About Dr. John N Muller Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN N MULLER JR. MD (NPI 1649899501) is an individual plastic surgery provider in Boston, Massachusetts, licensed in Massachusetts (1026047) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Pennsylvania State University College Of Medicine (2020).
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)
Dr. John N Muller Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Muller 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
- 37 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 02115 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 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 John Muller's NPI number?
The NPI number for John Muller is 1649899501. It was assigned to this individual provider in the NPPES registry on April 10, 2020.
Where is John Muller located?
John Muller practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is John Muller's specialty?
The primary specialty registered for this NPI is Plastic Surgery with taxonomy code 208200000X.
Is John Muller enrolled in Medicare?
Yes. John Muller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Muller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Muller reassigns Medicare benefits to Boston Plastic & Oral Surgery (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 John Muller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Muller accept?
Health plans from Anthem Blue Cross and Blue Shield list John Muller 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 John Muller was last updated on June 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. John N Muller Jr., MD · NPI 1649899501
Plastic Surgery physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 10, 2020.
## Identity
- **NPI:** 1649899501 (Entity type: Individual)
- **Enumerated:** April 10, 2020
- **Primary specialty:** Plastic Surgery · taxonomy 208200000X
- **State license:** 1026047 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## 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:** Boston Plastic & Oral Surgery (NPI 1568404903, Boston, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** June 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649899501) · Data from the CMS NPPES public registry.