Quick answers
- Does Fenan Rassu accept Medicare assignment?
- Medicare's clinician data says Fenan Rassu may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Fenan Rassu see?
- In 2024, CMS data shows 22 Original Medicare patients and 382 services for Fenan Rassu. This counts Original Medicare only and measures volume, not quality.
- What is Fenan Rassu's NPI number?
- 1265054092. 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 Fenan Rassu, 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 | 22 |
|---|---|
| Services billed to Medicare | 382 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Treatment of behavior impacting health, each additional 15 minutes (96159)225 services
- Treatment of behavior impacting health, initial 30 minutes (96158)115 services
- Evaluation of psychological test, first hour (96130)11 services
- Administration of psychological or neuropsychological test, first 30 minutes (96136)11 services
- Assessment of health behavior (96156)11 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 cholesterol75%
- High blood pressure73%
- Arthritis73%
- Depression73%
- Anxiety59%
- Osteoporosis50%
Practice locations
Addresses where Fenan Rassu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1800 Orleans StBaltimore, MD 21287 (410) 955‑5000
- 5501 Hopkins Bayview CirBaltimore, MD 21224
- 5505 Hopkins Bayview CirBaltimore, MD 21224
Group practices
Medicare enrollment lists Fenan Rassu as a member of this group (CMS data updated October 2, 2026).
- Johns Hopkins University2,909 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in Johns Hopkins University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265054092 |
| 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