Quick answers
- Does Mary A. Waters-Bilbo accept Medicare assignment?
- Yes. Medicare's clinician data says Mary A. Waters-Bilbo 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 A. Waters-Bilbo see?
- In 2024, CMS data shows 156 Original Medicare patients and 308 services for Mary A. Waters-Bilbo. This counts Original Medicare only and measures volume, not quality.
- What is Mary A. Waters-Bilbo's NPI number?
- 1457816704. 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 A. Waters-Bilbo, 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 | 156 |
|---|---|
| Services billed to Medicare | 308 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Psychotherapy, 30 minutes (90832)174 services
- Psychiatric diagnostic evaluation (90791)102 services
- Psychotherapy, 45 minutes (90834)17 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).
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Depression59%
- Ischemic heart disease51%
- Chronic kidney disease47%
Practice locations
Addresses where Mary A. Waters-Bilbo is enrolled with Medicare (CMS data updated October 2, 2026).
- 1010 E 33rd StBaltimore, MD 21218
- 4409 E W HwyRiverdale, MD 20737 (718) 298‑4375
Group practices
Medicare enrollment lists Mary A. Waters-Bilbo as a member of these groups (CMS data updated October 2, 2026).
- Mental Health Specialty Group PA801 clinicians in the group
- Supportive Care of Maryland LLC39 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in Mental Health Specialty Group PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 1996 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457816704 |
| 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