Upper Chesapeake Radiation Oncology, LLC
NPI 1821711425 · Internal Medicine Physician · Aberdeen, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Upper Chesapeake Radiation Oncology, LLC is a Internal Medicine Physician organization in Aberdeen, MD (NPI 1821711425).
Provider details
- NPI number
- 1821711425
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marcus Priolo, Chief Financial Officer(443) 643-3344
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Surgery Physician208600000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Upper Chesapeake Health Ancillary Services
- Doing business as
- Upper Chesapeake Health Ancillary Services
Registry dates
- Enumerated
- 2022-09-20
- Last updated
- 2023-11-22
- Certified
- 2023-11-22
Frequently asked questions
- What is Upper Chesapeake Radiation Oncology, LLC's NPI number?
- Upper Chesapeake Radiation Oncology, LLC's National Provider Identifier (NPI) is 1821711425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Upper Chesapeake Radiation Oncology, LLC?
- Upper Chesapeake Radiation Oncology, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Upper Chesapeake Radiation Oncology, LLC located?
- Upper Chesapeake Radiation Oncology, LLC's practice location on file with NPPES is 650 Mchenry Rd Ste 1300, Aberdeen, MD 21001-2607.
- What is Upper Chesapeake Radiation Oncology, LLC's phone number?
- The practice phone number listed in the NPPES registry for Upper Chesapeake Radiation Oncology, LLC is (443) 843-6600.
- Does Upper Chesapeake Radiation Oncology, LLC accept Medicare?
- Upper Chesapeake Radiation Oncology, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Upper Chesapeake Radiation Oncology, LLC?
- The authorized official listed on Upper Chesapeake Radiation Oncology, LLC's NPPES record is Marcus Priolo, Chief Financial Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Upper Chesapeake Radiation Oncology, LLC's NPI active?
- Yes — Upper Chesapeake Radiation Oncology, LLC's NPI (1821711425) is active in the NPPES registry as of the last update on 2023-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.