DR. AMY ELIZABETH DEZERN MD
NPI 1780738229
Internal Medicine - Medical Oncology in Baltimore, MD
About Dr. Amy Elizabeth Dezern Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMY ELIZABETH DEZERN MD (NPI 1780738229) is an individual medical oncology provider in Baltimore, Maryland, licensed in Maryland (D67193) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Johns Hopkins University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Amy Elizabeth Dezern Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Amy Dezern reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Amy Dezern's NPI number?
The NPI number for Amy Dezern is 1780738229. It was assigned to this individual provider in the NPPES registry on January 22, 2007.
Where is Amy Dezern located?
Amy Dezern practices at 401 N Broadway St Room 1363, Baltimore, MD 21287. The listed phone number is (410) 955-8964.
What is Amy Dezern's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Amy Dezern enrolled in Medicare?
Yes. Amy Dezern is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Amy Dezern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Dezern reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). 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 Amy Dezern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Amy Dezern affiliated with any hospitals?
According to CMS data, Amy Dezern is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Amy Dezern was last updated on January 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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. Amy Elizabeth Dezern, MD · NPI 1780738229
Medical Oncology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since January 22, 2007.
## Identity
- **NPI:** 1780738229 (Entity type: Individual)
- **Enumerated:** January 22, 2007
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** D67193 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 N BROADWAY ST, ROOM 1363, Baltimore, MD 21287-0019
- **Phone:** (410) 955-8964
## 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:** Johns Hopkins University (NPI 1881694453, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** January 25, 2013
- **Other identifiers:** Medicare PIN 155490ZAWA (MD); Medicaid 417649900 (MD); Medicare PIN 155490Y82 (MD)
---
Source: [NPI Profile](https://npiprofile.com/npi/1780738229) · Data from the CMS NPPES public registry.