DR. TIMOTHY RYAN MILLER MD
NPI 1326295742
Radiology - Neuroradiology in Baltimore, MD
About Dr. Timothy Ryan Miller Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY RYAN MILLER MD (NPI 1326295742) is an individual neuroradiology provider in Baltimore, Maryland, licensed in Maryland (D74621) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
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. Timothy Ryan Miller 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
4Medicare enrollment records show Timothy Miller reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 140 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 122 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 123 clinicians in this Medicare group
Columbia, MD 21045
- Reassigned Medicare billing, Maryland enrollment
- 41 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 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUniversity Of MD Baltimore Washington Medical Center
Acute Care Hospitals · Glen Burnie, MDLewisgale Hospital Alleghany
Acute Care Hospitals · Low Moor, VAOther 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 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
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 Timothy Miller's NPI number?
The NPI number for Timothy Miller is 1326295742. It was assigned to this individual provider in the NPPES registry on August 27, 2008.
Where is Timothy Miller located?
Timothy Miller practices at 22 S Greene St, Dept Of Radiology, Baltimore, MD 21201. The listed phone number is (410) 328-3477.
What is Timothy Miller's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.
Is Timothy Miller enrolled in Medicare?
Yes. Timothy Miller 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 Timothy Miller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Miller reassigns Medicare benefits to 4 organizations: University Of Maryland Diagnostic Imaging Specialists P A (Baltimore, MD), University Imaging Center, LLC (Baltimore, MD), University Of Maryland Diagnostic Radiology, LLC (Glen Burnie, MD) and University Of Maryland Neurosurgery Associates P A (Columbia, MD). 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 Timothy Miller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Timothy Miller affiliated with any hospitals?
According to CMS data, Timothy Miller is affiliated with University Of Maryland Medical Center, University Of MD Baltimore Washington Medical Center and Lewisgale Hospital Alleghany.
When was this NPI record last updated?
The NPPES record for Timothy Miller was last updated on December 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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. Timothy Ryan Miller, MD · NPI 1326295742
Neuroradiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 27, 2008.
## Identity
- **NPI:** 1326295742 (Entity type: Individual)
- **Enumerated:** August 27, 2008
- **Primary specialty:** Radiology - Neuroradiology · taxonomy 2085N0700X
- **State license:** D74621 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, DEPT OF RADIOLOGY, Baltimore, MD 21201-1544
- **Phone:** (410) 328-3477
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Diagnostic Imaging Specialists P A (NPI 1154335487, Baltimore, MD); University Imaging Center, LLC (NPI 1245245307, Baltimore, MD); University Of Maryland Diagnostic Radiology, LLC (NPI 1548803257, Glen Burnie, MD); University Of Maryland Neurosurgery Associates P A (NPI 1639119035, Columbia, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** December 11, 2024
- **Other identifiers:** Medicaid 058628500 (MD); Medicaid 049353826 (DC)
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Source: [NPI Profile](https://npiprofile.com/npi/1326295742) · Data from the CMS NPPES public registry.