Quick answers
- Which hospitals does Grishma Joy work at?
- Medicare's official clinician data lists Grishma Joy at 1 hospital: Johns Hopkins Howard County Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grishma Joy see patients?
- Medicare's clinician data lists 3 practice locations, including Columbia, MD, Annapolis, MD and Catonsville, MD. Call before your visit to confirm the address.
- What is Grishma Joy's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Grishma Joy accept Medicare assignment?
- Yes. Medicare's clinician data says Grishma Joy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Grishma Joy offer telehealth?
- Medicare's clinician data says Grishma Joy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Grishma Joy?
- (410) 992-9797, as listed in official Medicare / NPI Registry data.
- What is Grishma Joy's NPI number?
- 1336239656. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grishma Joy works
Medicare's Facility Affiliation Data lists Grishma Joy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johns Hopkins Howard County Medical CenterColumbia, MD · Acute Care Hospital · CCN 210048
Practice locations
Addresses where Grishma Joy is enrolled with Medicare (CMS data updated 2026-10-02).
- 10710 Charter Dr, Suite 110Columbia, MD 21044 (410) 992‑9797
- 621 Ridgely Ave, Suite 201Annapolis, MD 21401
- 700 Geipe Rd, Suite 230Catonsville, MD 21228 (410) 247‑7500
Group practices
Medicare enrollment lists Grishma Joy as a member of this group (CMS data updated 2026-10-02).
- Chesapeake Digestive Associates, PC38 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Columbia
Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336239656 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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