Jeffrey Lynn Maassen, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

36554 Issued in IA

Practice address

1650 1St Ave NE
Cedar Rapids, IA 52402-5431

Phone

(319) 362-3937

Fax

(319) 362-2900

NPI assigned

Jun 1, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 4

Medicare fee-for-service enrollment

Enrolled in IA

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

Ophthalmology

Education

University of Iowa, RJ & L Carver College of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Iowa Eye PCGroup PAC ID 2668361940, 8 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Lukes Hospital Hospital, Cedar Rapids, IA, CCN 160045
• Mercy Medical Center - Cedar Rapids Hospital, Cedar Rapids, IA, CCN 160079

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: jeffrey.maassen.p1@direct.iowaeyecenter.nextgenshare.com

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.

• Iowa Eye PC

  • Ophthalmology Physician
  • Cedar Rapids, IA
  • NPI 1952356982
  Medicare reassignment Care Compare group NPD
• Iowa Eye PC

  • Eyewear Supplier
  • Cedar Rapids, IA
  • NPI 1710007406

  Ophthalmology

  NPD

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

• Mercy Medical Center

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1720029333
  Care Compare affiliation
• St Luke'S Methodist Hospital

  • General Acute Care Hospital
  • Cedar Rapids, IA
  • NPI 1083708226
  Care Compare affiliation

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

{
    "created_epoch": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1690848000000",
    "number": "1124065883",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1650 1ST AVE NE",
            "city": "CEDAR RAPIDS",
            "state": "IA",
            "postal_code": "524025431",
            "telephone_number": "319-362-3937",
            "fax_number": "319-362-2900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1650 1ST AVE NE",
            "city": "CEDAR RAPIDS",
            "state": "IA",
            "postal_code": "524025431",
            "telephone_number": "319-362-3937",
            "fax_number": "319-362-2900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MAASSEN",
        "first_name": "JEFFREY",
        "middle_name": "LYNN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-01",
        "last_updated": "2023-08-01",
        "certification_date": "2023-08-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "IA",
            "license": "36554",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS OF IOWA",
            "identifier": "23521",
            "state": "IA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0491068",
            "state": "IA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "P00318627",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UHC OF THE RIVER VALLEY",
            "identifier": "IA0114",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• M R Associates
• M. R. Associates
• M. R. Associates
• Muhammad Arslan Arif Maan, MBBS
• James E. Maas, DDS
• Mabeline Inc.
• Madeline Micheline Stead Macbride, DDS
• Wieslaw Machnowski, MD
• Michael Richard Macke, MD
• Ruth A Macke, MD

• Ophthalmology Physician in Cedar Rapids, IA
• Providers in Cedar Rapids, IA by specialty
• Ophthalmology Physician in Iowa

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2023; 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.