Individual provider Active NPI

Shaffer Randall Shrope Mok, M.D.

  • Gastroenterology Physician
  • Columbia, MD
National Provider Identifier
1275878787
Registry record updated May 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
ME153258 Issued in FL
Practice address
7120 Minstrel Way Ste 100
Columbia, MD 21045-5274
Phone
(410) 290-6677
Fax
(410) 290-6676
NPI assigned
Dec 10, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X ME153258 FL Primary
Gastroenterology Physician 207RG0100X D0102518 MD
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X D0102518 MD
Gastroenterology Physician 207RG0100X MD452678 PA

Addresses

Primary practice location

7120 Minstrel Way Ste 100
Columbia, MD 21045-5274

Mailing address

7120 Minstrel Way Ste 100
Columbia, MD 21045-5274
Phone (410) 290-6677

Other practice location 1

21 Crossroads Dr Ste 205
Owings Mills, MD 21117-5483
Phone (410) 290-6677

Other practice location 2

4940 Campbell Blvd Ste 140
Baltimore, MD 21236-5910
Phone (410) 290-6677

Other practice location 3

1212 York Rd Ste B101
Lutherville, MD 21093-6233
Phone (410) 290-6677

Electronic endpoints 4

TypeEndpointUseAffiliation
Direct Messaging Address shaffermok@uhps.allscriptsdirect.net
Direct Messaging Address shaffermok@uhps.allscriptsdirect.net
Direct Messaging Address shaffermok@uhps.allscriptsdirect.net
Direct Messaging Address shaffer.mok@direct.moffitt.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, MD, DC3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20220201002094 FL Practitioner - Gastroenterology 6204128358
I20260408003379 MD Practitioner - Gastroenterology 6204128358 Reassigns benefits to 1 organization
I20260408003529 DC Practitioner - Gastroenterology 6204128358 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Gastro Center of Maryland LLCGroup PAC ID 7517972037, 23 clinicians

Practice addresses (Care Compare)

3405 Olandwood CT
Suite 102
Olney, MD 20832-1447
Phone (301) 570-8671

7120 Minstrel Way
Suite 100
Columbia, MD 21045-5274
Phone (410) 290-6677

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88 of 100Reported as group
Quality
74.04
Promoting interoperability
100
Improvement activities
40
Cost
70.96

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy54
Upper gastrointestinal (GI) endoscopy for acid reflux232

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
D0102518MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Gastro Center of Maryland LLC Gastroenterology CurrentSince Apr 1, 2026 Accepting new patients
Multicare Health System PastSince Jan 1, 2021 Accepting new patients

Locations

7120 Minstrel Way
Ste 100
Columbia, MD 21045
Phone (571) 210-4828

3405 Olandwood Ct
Ste 102
Olney, MD 20832
Phone (301) 570-8671

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1355097600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778371200000",
    "number": "1275878787",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7120 MINSTREL WAY STE 100",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210455274",
            "telephone_number": "410-290-6677",
            "fax_number": "410-290-6676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7120 MINSTREL WAY STE 100",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210455274",
            "telephone_number": "410-290-6677",
            "fax_number": "410-290-6676"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "21 Crossroads Dr Ste 205",
            "address_purpose": "LOCATION",
            "city": "Owings Mills",
            "state": "MD",
            "postal_code": "211175483",
            "country_code": "US",
            "telephone_number": "410-290-6677",
            "fax_number": "410-290-6676",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4940 Campbell Blvd Ste 140",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212365910",
            "country_code": "US",
            "telephone_number": "410-290-6677",
            "fax_number": "410-290-6676",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1212 York Rd Ste B101",
            "address_purpose": "LOCATION",
            "city": "Lutherville",
            "state": "MD",
            "postal_code": "210936233",
            "country_code": "US",
            "telephone_number": "410-290-6677",
            "fax_number": "410-290-6676",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOK",
        "first_name": "SHAFFER",
        "middle_name": "RANDALL SHROPE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-12-10",
        "last_updated": "2026-05-10",
        "certification_date": "2026-05-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "FL",
            "license": "ME153258",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MD",
            "license": "D0102518",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D0102518",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MD452678",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "shaffermok@uhps.allscriptsdirect.net",
            "affiliation": "N",
            "address_1": "29101 Health Campus Dr Ste 450",
            "city": "Westlake",
            "state": "OH",
            "country_code": "US",
            "postal_code": "441455267",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "shaffermok@uhps.allscriptsdirect.net",
            "affiliation": "N",
            "address_1": "29101 Health Campus Dr Ste 450",
            "city": "Westlake",
            "state": "OH",
            "country_code": "US",
            "postal_code": "441455267",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "shaffermok@uhps.allscriptsdirect.net",
            "affiliation": "N",
            "address_1": "29101 Health Campus Dr Ste 450",
            "city": "Westlake",
            "state": "OH",
            "country_code": "US",
            "postal_code": "441455267",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "shaffer.mok@direct.moffitt.org",
            "affiliation": "N",
            "address_1": "12902 Usf Magnolia Dr",
            "city": "Tampa",
            "state": "FL",
            "country_code": "US",
            "postal_code": "336129416",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Columbia, MD

Sources for this page

Verify at the official NPI Registry.