Quick answers
- Does Mary Jo Cannon accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Jo Cannon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mary Jo Cannon see?
- In 2024, CMS data shows 48 Original Medicare patients and 240 services for Mary Jo Cannon. This counts Original Medicare only and measures volume, not quality.
- What is Mary Jo Cannon's NPI number?
- 1619216835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mary Jo Cannon, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 48 |
|---|---|
| Services billed to Medicare | 240 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 52 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)163 services
- Testing for presence of drug, by chemistry analyzers (80307)36 services
- Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0480)31 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- Anxiety75%
- Depression71%
- High blood pressure44%
- High cholesterol35%
- Arthritis33%
- COPD27%
Practice locations
Addresses where Mary Jo Cannon is enrolled with Medicare (CMS data updated October 2, 2026).
- 72 Greene StCumberland, MD 21502 (301) 676‑6922
Specialties
- Family Practiceprimary
- Addiction Medicinealso
Other family doctors in Cumberland
Clinicians with the same Medicare primary specialty in Cumberland, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619216835 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians