CHADY ATALLAH M.D. – NPI #1558637025
Colon & Rectal Surgery

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Health Care Provider Taxonomy Code for Colon & Rectal Surgery

CHADY ATALLAH is a colon & rectal surgeon located in BALTIMORE, MD. NPPES has assigned the NPI number 1558637025 to CHADY ATALLAH on March 28, 2012. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI data, there are 3 additional location(s) assigned to this provider which are listed below. The primary taxonomy selected by this provider is 208C00000X from the Health Care Provider Taxonomy code set, which is classified as Colon & Rectal Surgery.

The NPI profile was last updated on May 20, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for CHADY ATALLAH below.

NPI Profile for
CHADY ATALLAH

NPI Number
1558637025
Enumeration Date

(more than 14 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
CHADY ATALLAH
Credentials
M.D.
Primary location
JOHNS HOPKINS
600 N WOLFE ST - TOWER 110
BALTIMORE, MD 21287
Phone: (410) 955-5020 Fax:
3 Other location(s):
8600 Old Georgetown Rd
Bethesda, MD 20814
Phone: (301) 896-2578
1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110-1003
Phone: (314) 747-3000
660 S Euclid Ave
Saint Louis, MO 63110-1010
Phone: (314) 362-5000
Mailing address
6201 GREENLEIGH AVE
MIDDLE RIVER, MD 21220-2004
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
May 20, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
208C00000X
- Colon & Rectal Surgery (Primary)		 MD D0085648

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service
Endpoint type
CONNECT URL
Endpoint Description
2.16.840.1.113883.3.2019.3
Content Type
Affiliation
Y
Endpoint Location
1300 SE CARDINAL CT STE 190,
VANCOUVER, WA 77025-1669
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
530 1ST AVE,
NEW YORK, NY 77025-1669

Additional Information

Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
CHADY ATALLAH is affiliated with the following medical group(s):
  • HOSPITAL
    • JOHNS HOPKINS HOSPITAL, THE
      600 NORTH WOLFE STREET
      BALTIMORE, MD 21287

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.