Marci Lee K Peralto Kronbach, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

DR.0049772 Issued in CO

Practice address

3 Superior Dr Ste 400
Superior, CO 80027-8656

Phone

(303) 673-1440

Fax

(303) 673-1360

NPI assigned

May 21, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Other names 1

• Marci L.K. Peralto Former name

Medicare fee-for-service enrollment

Enrolled in CO

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

Specialty

Obstetrics/Gynecology

Education

University of Hawaii John a. Burns School of Medicine, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Boulder Community HealthGroup PAC ID 6800707233, 260 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Boulder Community Health

  • General Acute Care Hospital
  • Boulder, CO
  • NPI 1821074196
  Medicare reassignment Care Compare group
• Intermountain Medical Group Denver, LLC

  • Family Medicine Physician
  • Denver, CO
  • NPI 1083021083

  Obstetrics & Gynecology

  Medicare reassignment NPD
• Obstetrix Medical Group of Colorado P C

  • Neonatal-Perinatal Medicine Physician
  • Denver, CO
  • NPI 1700983103
  Medicare reassignment NPD
• Saint Joseph Hospital, Inc

  • Obstetrics & Gynecology Physician
  • Denver, CO
  • NPI 1154361350
  Medicare reassignment NPD
• Boulder Community Health

  • Medical Specialty Clinic/Center
  • Boulder, CO
  • NPI 1073160420
  NPD
• Boulder Community Health

  • Primary Care Clinic/Center
  • Boulder, CO
  • NPI 1740837137
  NPD
• Intermountain Medical Group Denver, LLC

  • Sports Medicine (Orthopaedic Surgery) Physician
  • Denver, CO
  • NPI 1083598874
  NPD
• Intermountain Medical Group Denver, LLC

  • Hematology & Oncology Physician
  • Denver, CO
  • NPI 1558975953
  NPD
• Obstetrix Medical Group of Colorado P C

  • Pediatric Cardiology Physician
  • Denver, CO
  • NPI 1497779276
  NPD
• Saint Joseph Hospital, Inc

  • General Acute Care Hospital
  • Denver, CO
  • NPI 1417946021
  NPD
• Saint Joseph Hospital, Inc

  • Internal Medicine Physician
  • Broomfield, CO
  • NPI 1487694196

  Obstetrics & Gynecology

  NPD
• Boulder Community Health

  • Multi-Specialty Clinic/Center
  • Boulder, CO
  • NPI 1609822030
  NPD (past)

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

{
    "created_epoch": "1179705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1932318854",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3 SUPERIOR DR STE 400",
            "city": "SUPERIOR",
            "state": "CO",
            "postal_code": "800278656",
            "telephone_number": "303-241-7656"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3 SUPERIOR DR STE 400",
            "city": "SUPERIOR",
            "state": "CO",
            "postal_code": "800278656",
            "telephone_number": "303-673-1440",
            "fax_number": "303-673-1360"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3 Superior Dr Ste 400",
            "address_purpose": "LOCATION",
            "city": "Superior",
            "state": "CO",
            "postal_code": "800278656",
            "country_code": "US",
            "telephone_number": "303-673-1440",
            "fax_number": "303-673-1360",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4745 Arapahoe Ave Ste 320",
            "address_purpose": "LOCATION",
            "city": "Boulder",
            "state": "CO",
            "postal_code": "803031082",
            "country_code": "US",
            "telephone_number": "303-441-0587",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRONBACH",
        "first_name": "MARCI",
        "middle_name": "LEE K PERALTO",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-05-21",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CO",
            "license": "DR.0049772",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "HI",
            "license": "18377",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "91652570",
            "state": "CO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KAISER COMMERCIAL NUMBER",
            "identifier": "21892",
            "state": "CO"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARCI",
            "last_name": "PERALTO",
            "middle_name": "L.K.",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Kind Colorado Counseling
• Kind Rehabilitation LLC
• Rachael Marie Kjelden, FNP
• Madeline Rovira Koerner, MD
• Brian L Kraft, DDS
• Krueger Optometry LLC
• Ashley Kurth
• David Lambert, D.D.S
• Serena M Lambert, PH.D., LPC, NCC, ACS
• Kimberly Larriviere

• Obstetrics & Gynecology Physician in Superior, CO
• Providers in Superior, CO by specialty
• Obstetrics & Gynecology Physician in Colorado

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.