ALEXANDER PHILIP MARSTON MD
NPI 1649534546
Otolaryngology - Pediatric Otolaryngology in Boston, MA
About Alexander Philip Marston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER PHILIP MARSTON MD (NPI 1649534546) is an individual pediatric otolaryngology provider in Boston, Massachusetts, licensed in California (192892) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of University Of Minnesota Medical School (2012).
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 and accepts Medicare assignment
Alexander Philip Marston 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 Reassignments
2Medicare enrollment records show Alexander Marston reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mt Pleasant, SC 29464
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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 2
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.
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 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 Alexander Marston's NPI number?
The NPI number for Alexander Marston is 1649534546. It was assigned to this individual provider in the NPPES registry on June 26, 2012.
Where is Alexander Marston located?
Alexander Marston practices at 830 Harrison Ave Ste 1400, Boston, MA 02118. The listed phone number is (843) 792-1414.
What is Alexander Marston's specialty?
The primary specialty registered for this NPI is Otolaryngology, specializing in Pediatric Otolaryngology, with taxonomy code 207YP0228X.
Is Alexander Marston enrolled in Medicare?
Yes. Alexander Marston 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 organizations bill Medicare for Alexander Marston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Marston reassigns Medicare benefits to 2 organizations: University Medical Associates (Mt Pleasant, SC) and Regents Of The Univ Of Ca (Sacramento, CA). Each 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 Alexander Marston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Marston accept?
Health plans from Taro Health list Alexander Marston 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 Alexander Marston was last updated on April 12, 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.
# Alexander Philip Marston, MD · NPI 1649534546
Pediatric Otolaryngology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 26, 2012.
## Identity
- **NPI:** 1649534546 (Entity type: Individual)
- **Enumerated:** June 26, 2012
- **Primary specialty:** Otolaryngology - Pediatric Otolaryngology · taxonomy 207YP0228X
- **State license:** 192892 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 830 HARRISON AVE STE 1400, Boston, MA 02118-2905
- **Phone:** (843) 792-1414
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Medical Associates (NPI 1437176039, Mt Pleasant, SC); Regents Of The Univ Of Ca (NPI 1285068783, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2012
## Record status
- **NPPES last updated:** April 12, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1649534546) · Data from the CMS NPPES public registry.