Diego Armando Marquez, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

R-12306 Issued in IA

Practice address

1111 6TH Ave
Des Moines, IA 50314-2613

Phone

(515) 643-2682

Fax

(515) 643-5802

NPI assigned

Mar 26, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in IA, CA2 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 2

Specialty

Emergency MedicineAlso: Family Practice

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Des Moines River Physicians LLCGroup PAC ID 0143549634, 45 clinicians

Waterloo Emergency Physicians, LLCGroup PAC ID 5092246967, 21 clinicians

Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Emanuel Medical Center Hospital, Turlock, CA, CCN 050179
• Mercyone Waterloo Medical Center Hospital, Waterloo, IA, CCN 160067
• Doctors Medical Center Hospital, Modesto, CA, CCN 050464

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/c4077300-4993-4503-8ecf-1bd837357695/
• FHIR API: https://fhir-usa.unify.chbase.com/org/monroe-8771d331
• FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4
• Direct secure messaging: dmarquez28777@uihealth.direct-ci.com
• FHIR API: https://fhir-myrecord.cerner.com/r4/f904b187-16a4-4582-8ea3-887d87de0011/
• Direct secure messaging: dmarquez638562@direct.ochin.org
• Direct secure messaging: dmarquez3951189@direct.trinity-health.org

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.

• Des Moines River Physicians, LLC

  • Emergency Medicine Physician
  • Des Moines, IA
  • NPI 1720472442
  Medicare reassignment Care Compare group NPD
• Waterloo Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Waterloo, IA
  • NPI 1649013038
  Medicare reassignment Care Compare group NPD
• Cep America - California

  • Emergency Medicine Physician
  • San Francisco, CA
  • NPI 1023063542
  Medicare reassignment Care Compare group NPD
• Adair County Memorial Hospital

  • Emergency Medicine Physician
  • Greenfield, IA
  • NPI 1366531345
  Medicare reassignment NPD
• Adair County Memorial Hospital

  • Critical Access Hospital
  • Greenfield, IA
  • NPI 1780667519
  Medicare reassignment NPD
• Cedar Falls Emergency Physicians, LLC

  • Emergency Medicine Physician
  • Cedar Falls, IA
  • NPI 1255146155
  Medicare reassignment NPD
• Mercy Medical Center-Centerville

  • Critical Access Hospital
  • Centerville, IA
  • NPI 1356391635
  Medicare reassignment NPD
• Mercy Medical Center-Centerville

  • Emergency Care Clinic/Center
  • Centerville, IA
  • NPI 1528018801
  Medicare reassignment NPD
• Sartori Memorial Hospital Inc

  • Emergency Medicine Physician
  • Cedar Falls, IA
  • NPI 1710928734
  Medicare reassignment NPD
• Spencer Municipal Hospital

  • Clinic/Center
  • Milford, IA
  • NPI 1396732186
  Medicare reassignment NPD
• Adair County Memorial Hospital

  • Public Health or Welfare Agency
  • Greenfield, IA
  • NPI 1285614818
  NPD
• Des Moines River Physicians, LLC

  • Emergency Medicine Physician
  • Newton, IA
  • NPI 1174907703
  NPD

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

• Covenant Medical Center Inc

  • General Acute Care Hospital
  • Waterloo, IA
  • NPI 1700827896
  Care Compare affiliation
• Doctors Medical Center of Modesto, Inc.

  • General Acute Care Hospital
  • Modesto, CA
  • NPI 1184654923
  Care Compare affiliation
• Doctors Medical Center of Modesto, Inc.

  • General Acute Care Hospital
  • Turlock, CA
  • NPI 1396087672
  Care Compare affiliation

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

{
    "created_epoch": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753920000000",
    "number": "1730716838",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1475",
            "city": "DES MOINES",
            "state": "IA",
            "postal_code": "503051475",
            "telephone_number": "515-643-2682",
            "fax_number": "515-643-5802"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 6TH AVE",
            "city": "DES MOINES",
            "state": "IA",
            "postal_code": "503142613",
            "telephone_number": "515-643-2682",
            "fax_number": "515-643-5802"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1740 W Taylor St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606127232",
            "country_code": "US",
            "telephone_number": "312-996-6765",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARQUEZ",
        "first_name": "DIEGO",
        "middle_name": "ARMANDO",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2025-07-31",
        "certification_date": "2025-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IA",
            "license": "R-12306",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A196790",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark J Hillman DDS
• Christopher Marks, M.S. L.M.H.C.
• Jessica Marks
• Michelle Marotti, RN
• Eric A Marquardt, CADC
• Ryan A Marsh, DDS
• Suellen Marsh, ARNP
• Sydney Marshman, OTD, OTR/L
• John M Martens, MD
• Samantha Marter

• Family Medicine Physician in Des Moines, IA
• Providers in Des Moines, IA by specialty
• Family Medicine Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2025; 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.