UNIVERSITY OF MARYLAND ONCOLOGY ASSOCIATES, PA
NPI 1679523575
Internal Medicine - Hematology & Oncology in Baltimore, MD
About University Of Maryland Oncology Associates, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
UNIVERSITY OF MARYLAND ONCOLOGY ASSOCIATES, PA (NPI 1679523575) is a healthcare organization registered as a hematology & oncology in Baltimore, Maryland and active in the NPI registry since May 2006. The organization lists Nicholas M Jaidar, Director Ofoncology Operations, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 4
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
University Of Maryland Oncology Associates, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
89Medicare enrollment records show 89 clinicians reassign Medicare billing to University Of Maryland Oncology Associates, PA, which bills Medicare for the services they deliver. Of these, 48 practice at this address and 63 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 89Baltimore, MD 21201
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 University Of Maryland Oncology Associates, PA's NPI number?
The NPI number for University Of Maryland Oncology Associates, PA is 1679523575. It was assigned to this organization in the NPPES registry on May 11, 2006.
Where is University Of Maryland Oncology Associates, PA located?
University Of Maryland Oncology Associates, PA is located at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-8040.
What is University Of Maryland Oncology Associates, PA's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is University Of Maryland Oncology Associates, PA enrolled in Medicare?
Yes. University Of Maryland Oncology Associates, PA is registered in the Medicare PECOS enrollment system.
When is University Of Maryland Oncology Associates, PA's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Maryland, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through University Of Maryland Oncology Associates, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 89 clinicians in 6 Medicare specialties reassign their Medicare billing to University Of Maryland Oncology Associates, PA. 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. The largest specialties are Nurse Practitioner (52), Hematology/Oncology (18) and Medical Oncology (8). Of these, 48 practice at this address and 63 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for University Of Maryland Oncology Associates, PA was last updated on May 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# University Of Maryland Oncology Associates, Pa · NPI 1679523575
Hematology & Oncology organization in Baltimore, Maryland. Organization record, active in the CMS NPPES registry since May 11, 2006.
## Identity
- **NPI:** 1679523575 (Entity type: Organization)
- **Enumerated:** May 11, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Nicholas Jaidar, DIRECTOR OFONCOLOGY OPERATIONS
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-8040 · **Fax:** (410) 328-2578
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, Maryland, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 89 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (52), Hematology/Oncology (18), Medical Oncology (8); 48 practice at this address and 63 within 10 miles; [full list](https://npiprofile.com/npi/1679523575/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 23, 2022
- **Other identifiers:** Medicaid 087720400 (MD); Other 5321205 (MD); Medicaid 043870700 (DC); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1679523575) · Data from the CMS NPPES public registry.