Mohammed El-Dallal, M.D.
Gastroenterology · Internal Medicine (CMS) · Baltimore, MD
At a glance
22 S Greene St, Baltimore, MD 21201-1544
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jun 30, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
22 S Greene StBaltimore, MD 21201-1544
Additional reported practice locations
827 Linden AveBaltimore, MD 212014606
Phone: 4103288730
Fax: 4103288315 5890 Waterloo Rd
Columbia, MD 210452617
Phone: 6672142100
Fax: 4107999097 5900 Waterloo Rd
Columbia, MD 210452639
Phone: 6672142100
Fax: 4107999097 800 Linden Ave Fl 9
Baltimore, MD 212014622
Phone: 4105222539
Fax: 4102558415 500 Upper Chesapeake Dr
Bel Air, MD 210144324
Phone: 4436431000 100 West Rd Ste 115
Towson, MD 212042358
Phone: 4104940144
Fax: 4104940147 700 Geipe Rd Ste 220
Catonsville, MD 212284577
Phone: 4107532255
Fax: 4102424404 7625 Maple Lawn Blvd Ste 110
Fulton, MD 207592565
Phone: 3014905025
Fax: 3014905260 515 S Tollgate Rd Ste 100
Bel Air, MD 210145251
Phone: 4436433050
Fax: 4436431692
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2008
- CMS specialties
- Gastroenterology · Internal Medicine
Practice groups
Reported hospital affiliations
- Umd Upper Chesapeake Medical Center Bel Air, MD
- University Of Maryland Medical Center Baltimore, MD
- University Of Md Medical Center Midtown Campus Baltimore, MD
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 42 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 54 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $629.71 |
Reporting companies
| Company | Amount |
|---|---|
| IPSEN BIOPHARMACEUTICALS, INC | $150.76 |
| JANSSEN BIOTECH, INC. | $136.35 |
| GILEAD SCIENCES, INC. | $80.97 |
| ABBVIE INC. | $75.31 |
| TAKEDA PHARMACEUTICALS U.S.A., INC. | $59.47 |
| MALLINCKRODT HOSPITAL PRODUCTS INC. | $33.18 |
| NOVO NORDISK INC | $26.18 |
| SALIX PHARMACEUTICALS, A DIVISION OF BAUSCH HEALTH US, LLC | $24.34 |
| Other reporting companies | $43.15 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology · Internal Medicine (CMS)
- Taxonomy code
- 207RG0100X
- Enumeration date
- Jun 25, 2013
- Record updated
- Jun 30, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207RG0100X · Primary
License reported: D0103264 MD
207R00000X
License reported: D0103264 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
22 S Greene StBaltimore, MD 21201-1544
- Phone
- (410) 328-5780
- Fax
- (410) 328-8315
Mailing address
1600 MEDICAL CENTER DRHUNTINGTON, WV 257013656
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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