Individual provider Active NPI

Mark A Vierra, MD

  • Surgery Physician
  • Monterey, CA
National Provider Identifier
1295706448
Registry record updated Jan 11, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
G59649 Issued in CA
Practice address
2 Upper Ragsdale Dr
B230
Monterey, CA 93940-5736
Phone
(831) 649-0808
NPI assigned
Jan 27, 2006
Last updated
Jan 11, 2010By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 11, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X G59649 CA Primary

Addresses

Primary practice location

2 Upper Ragsdale Dr
B230
Monterey, CA 93940-5736

Mailing address

100 Wilson Rd
Suite 100
Monterey, CA 93940
Phone (831) 649-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20040405001687 CA Practitioner - General SurgeryPractitioner - Gastroenterology 4082607189 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Harvard Medical School, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Montage Medical GroupGroup PAC ID 6406901941, 125 clinicians

Practice addresses (Care Compare)

2 Upper Ragsdale Dr
BLDG a
Monterey, CA 93940-5736
Phone (831) 718-9701

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
86.59 of 100Reported as group
Quality
81.82
Promoting interoperability
100
Improvement activities
40
Cost
73.46

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair - groin (open)15
Hernia repair (minimally invasive)12
Upper gastrointestinal (GI) endoscopy for acid reflux23
Melanoma (skin cancer) excision1-10
Removal of tissue1-10
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
59649CAMDPediatric Dentist
G59649CAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency and Acute Care Medical Corporation CurrentSince Oct 1, 2007 Accepting new patients
Montage Medical Group CurrentSince Jan 1, 2022 Accepting new patients
Community Hospital of the Monterey Peninsula Past Accepting new patients

Locations

100 Wilson Rd
Ste 100
Monterey, CA 93940
Phone (831) 242-8301

2 Upper Ragsdale Dr
Bldg A
Monterey, CA 93940
Phone (831) 333-3040

23625 Wr Holman Hwy
Monterey, CA 93940
Phone (831) 622-2708

23845 Holman Hwy
Ste 210
Monterey, CA 93940
Phone (831) 620-0296

Interoperability endpoints

  • Direct secure messaging: admin@montereysurgery.e-mdsdirect.com

Organizations & group practices 3

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

Hospital & facility affiliations 4

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": "1138320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1263168000000",
    "number": "1295706448",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 WILSON RD",
            "address_2": "SUITE 100",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "93940",
            "telephone_number": "831-649-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 UPPER RAGSDALE DR",
            "address_2": "B230",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "939405736",
            "telephone_number": "831-649-0808"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIERRA",
        "first_name": "MARK",
        "middle_name": "A",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-27",
        "last_updated": "2010-01-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "G59649",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Monterey, CA

Sources for this page

Verify at the official NPI Registry.