Quick answers
- Does Carissa J. Guishard Gibson accept Medicare assignment?
- Yes. Medicare's clinician data says Carissa J. Guishard Gibson 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 Carissa J. Guishard Gibson see?
- In 2024, CMS data shows 23 Original Medicare patients and 28 services for Carissa J. Guishard Gibson. This counts Original Medicare only and measures volume, not quality.
- What is Carissa J. Guishard Gibson's NPI number?
- 1801055033. 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 Carissa J. Guishard Gibson, 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 | 23 |
|---|---|
| Services billed to Medicare | 28 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Hemoglobin a1c level (83036)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 blood pressure75%
- High cholesterol75%
- Diabetes57%
Hospitals where Carissa J. Guishard Gibson works
Medicare's Facility Affiliation Data lists Carissa J. Guishard Gibson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009
Practice locations
Addresses where Carissa J. Guishard Gibson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 E Eager St, E Baltimore Med CtrBaltimore, MD 21202 (410) 522‑9800
- 5525 Eastern Ave, Suite 301Baltimore, MD 21224 (410) 558‑4804
- 6350 Stevens Forest RdColumbia, MD 21046 (443) 259‑3770
Group practices
Medicare enrollment lists Carissa J. Guishard Gibson as a member of these groups (CMS data updated October 2, 2026).
- Johns Hopkins Community Physicians, Inc763 clinicians in the group
- Baltimore Medical System, Inc.87 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in Johns Hopkins Community Physicians, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 2006 (20 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) | 1801055033 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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