PATRICIA M. SULLIVAN, MD, LLC
NPI 1053585661
Clinic/Center - Medical Specialty in Columbia, MD
About Patricia M. Sullivan, Md, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICIA M. SULLIVAN, MD, LLC (NPI 1053585661) is a healthcare organization registered as a medical specialty in Columbia, Maryland and active in the NPI registry since April 2008. The organization lists Patricia M Sullivan, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Patricia M. Sullivan, Md, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Patricia M. Sullivan, MD, LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Patricia M. Sullivan, MD, LLC's NPI number?
The NPI number for Patricia M. Sullivan, MD, LLC is 1053585661. It was assigned to this organization in the NPPES registry on April 15, 2008.
Where is Patricia M. Sullivan, MD, LLC located?
Patricia M. Sullivan, MD, LLC is located at 10796 Hickory Ridge Rd, Columbia, MD 21044. The listed phone number is (240) 535-8968.
What is Patricia M. Sullivan, MD, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.
Is Patricia M. Sullivan, MD, LLC enrolled in Medicare?
Yes. Patricia M. Sullivan, MD, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Patricia M. Sullivan, MD, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Psychiatry) reassigns their Medicare billing to Patricia M. Sullivan, MD, LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Patricia M. Sullivan, MD, LLC was last updated on April 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Patricia M. Sullivan, Md, Llc · NPI 1053585661
Medical Specialty organization in Columbia, Maryland. Organization record, active in the CMS NPPES registry since April 15, 2008.
## Identity
- **NPI:** 1053585661 (Entity type: Organization)
- **Enumerated:** April 15, 2008
- **Primary specialty:** Clinic/Center - Medical Specialty · taxonomy 261QM2500X
- **Organization subpart:** No
- **Authorized official:** Patricia Sullivan, PRESIDENT
## Practice location
- **Address:** 10796 HICKORY RIDGE RD, Columbia, MD 21044-3646
- **Phone:** (240) 535-8968
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Psychiatry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2008
- **Other identifiers:** Medicare UPIN G25532 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1053585661) · Data from the CMS NPPES public registry.