NPIMap

Individual provider Active NPI

Gregory Grimberg, MD

  • Surgery Physician
  • Mason City, IA
National Provider Identifier
1104245307
Registry record updated Aug 28, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
MD-47527 Issued in IA
Practice address
250 S Crescent Dr
Mason City, IA 50401-2926
Phone
(641) 494-5300
Fax
(641) 494-5321
NPI assigned
Apr 15, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2020

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X D86982 MD
Surgery Physician 208600000X MD-47527 IA Primary

Addresses

Primary practice location

250 S Crescent Dr
Mason City, IA 50401-2926

Mailing address

250 S Crescent Dr
Mason City, IA 50401-2926
Phone (641) 494-5300

Other practice location 1

4940 Eastern Ave Rm 3933D
Baltimore, MD 21224-2735
Phone (410) 550-6875

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address gensurgnurse@mcclinic.direct-ci.net Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200910002699 IA Practitioner - General Surgery 0446588305 Reassigns benefits to 2 organizations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Mason City Clinic PC Surgery CurrentSince Aug 31, 2022 Accepting new patients
North Iowa Mercy Clinics Current Accepting new patients
North Iowa Mercy Clinics CurrentSince Sep 1, 2020 Accepting new patients
North Iowa Mercy Clinics Current Accepting new patients
North Iowa Mercy Clinics CurrentSince Sep 1, 2020 Accepting new patients
Mercy Health Services-Iowa Corp Past Accepting new patients
Floyd County Memorial Hospital Commission Past Accepting new patients
North Iowa Mercy Clinics Past Accepting new patients

Locations

910 N Eisenhower Ave
Mason City, IA 50401
Phone (641) 422-5437

250 S Crescent Dr
Ste 204
Mason City, IA 50401
Phone (641) 494-5260

250 S Crescent Dr
Mason City, IA 50401
Phone (541) 422-6588

Interoperability endpoints

  • Direct secure messaging: ggrimberg3945313@direct.trinity-health.org
  • Direct secure messaging: bariatricnurse@1245.direct.myezyaccess.com

Organizations & group practices 8

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 4

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

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
State University of New York Downstate Medical Center, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Iowa Mercy Clinics 304 clinicians

Practice addresses (Care Compare)

1000 4TH St SW
Mason City, IA 50401-2800

635 E US Hwy 9
Mercyone Forest City Family Medicine
Forest City, IA 50436-1028
Phone (641) 585-2904

910 N Eisenhower Ave
Mason City, IA 50401-1525

Hospital & facility affiliations

  • Mercyone North Iowa Medical Center Hospital, Mason City, IA, CCN 160064
  • Mitchell County Regional Health Hospital, Osage, IA, CCN 161323
  • Floyd County Medical Center Hospital, Charles City, IA, CCN 161347
  • Palo Alto County Hospital Hospital, Emmetsburg, IA, CCN 161357

Merit-based Incentive Payment System (MIPS)

Final score
81.55 of 100Reported as group
Quality
73.89
Promoting interoperability
93
Improvement activities
40
Cost
70.44

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy15
Upper gastrointestinal (GI) endoscopy for acid reflux212
Removal of skin lesions1-10

NPI Registry JSON

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

{
    "created_epoch": "1397520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1598572800000",
    "number": "1104245307",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 S CRESCENT DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012926",
            "telephone_number": "641-494-5300",
            "fax_number": "641-494-5321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "250 S CRESCENT DR",
            "city": "MASON CITY",
            "state": "IA",
            "postal_code": "504012926",
            "telephone_number": "641-494-5300",
            "fax_number": "641-494-5321"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4940 Eastern Ave Rm 3933D",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212242735",
            "country_code": "US",
            "telephone_number": "410-550-6875",
            "fax_number": "410-550-1822",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIMBERG",
        "first_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-15",
        "last_updated": "2020-08-28",
        "certification_date": "2020-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "D86982",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IA",
            "license": "MD-47527",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gensurgnurse@mcclinic.direct-ci.net",
            "affiliation": "N",
            "endpointDescription": "Mason City Clinic Direct Email Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "250 S Crescent Dr",
            "city": "Mason City",
            "state": "IA",
            "country_code": "US",
            "postal_code": "504012926",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Mason City, IA

Sources for this page

Verify at the official NPI Registry.