Individual provider Active NPI

Mark E. Zeitzer, MD

  • Emergency Medicine Physician
  • Leavenworth, KS
National Provider Identifier
1437174307
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
MD28003 Issued in OR
Practice address
1100 N 4TH St
Leavenworth, KS 66048-1572
Phone
(913) 297-9945
NPI assigned
Jul 13, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

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

Specialties & licenses 15

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 04-52263 KS
Emergency Medicine Physician 207P00000X 60476107 WA
Emergency Medicine Physician 207P00000X 47018 OK
Emergency Medicine Physician 207P00000X 2025-03934 NC
Emergency Medicine Physician 207P00000X 2026001102 MO
Emergency Medicine Physician 207P00000X MD425791 PA
Emergency Medicine Physician 207P00000X CDR.0000811 CO
Emergency Medicine Physician 207P00000X CP1834 NE
Emergency Medicine Physician 207P00000X MC-0552 ID
Emergency Medicine Physician 207P00000X 19161C WY
Emergency Medicine Physician 207P00000X 0101287475 VA
Emergency Medicine Physician 207P00000X W2237 TX
Emergency Medicine Physician 207P00000X EMC0008439 MI
Emergency Medicine Physician 207P00000X MD28003 OR Primary
Emergency Medicine Physician 207P00000X MD.MD.60476107 WA

Addresses

Primary practice location

1100 N 4TH St
Leavenworth, KS 66048-1572

Mailing address

2145 E Baseline Rd Ste 101
Tempe, AZ 85283-1546

Other practice location 1

16205 N Pennsylvania Ave
Edmond, OK 73013-7325
Phone (405) 705-5700

Other practice location 2

330 White Oak Rd
Fredericksburg, VA 22405-2792
Phone (540) 373-2424

Other practice location 3

914 N Scottsdale Rd Ste 104
Tempe, AZ 85288-2116
Phone (480) 889-3570

Other practice location 4

2741 NE McBaine Dr Ph
Lees Summit, MO 64064-7880
Phone (816) 554-2600

Other practice location 5

110 N 66th St
Lincoln, NE 68505-2402
Phone (402) 325-8950

Other practice location 6

217 Glensford Dr
Fayetteville, NC 28314-0892
Phone (910) 483-4647

Other practice location 7

3280 Washtenaw Ave
Ann Arbor, MI 48104-4283
Phone (734) 389-2000

Other practice location 8

18890 E Hampden Ave
Aurora, CO 80013-3504
Phone (303) 617-1604

Other practice location 9

2030 Bluegrass Cir
Cheyenne, WY 82009-7328
Phone (307) 635-3500

Other practice location 10

3802 Catclaw Dr
Abilene, TX 79606-8253
Phone (325) 690-1500

Other identifiers 3

IdentifierTypeStateIssuer
101311910MedicaidPA
218641MedicaidOR
0070092MedicaidNJ

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR, WA, CO, AZ, VA, NE, MI, KS, OK, TX, WY, NC12 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 12

Enrollment IDStateProvider typePAC IDDetails
I20080603000427 OR Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 3 organizations
I20141212001931 WA Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 3 organizations
I20251119004792 CO Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization
I20251120003326 AZ Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 2 organizations
I20260116002974 VA Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization
I20260204001848 NE Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 2 organizations
I20260204002199 MI Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization
I20260204002398 KS Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization
I20260205004606 OK Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization
I20260206003768 TX Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 3 organizations
I20260213002285 WY Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization
I20260219004018 NC Practitioner - Emergency Medicine 4486683927 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Nextcare Arizona I JV LLCGroup PAC ID 7416393194, 297 clinicians

Practice addresses (Care Compare)

914 N Scottsdale Rd
Suite 104
Tempe, AZ 85288-2116
Phone (480) 924-8382

9494 W Northern Ave
Suite 101
Glendale, AZ 85305-1119
Phone (623) 872-2226

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
CDR.0000811COMDEmergency Medicine Physician
MC-0552IDMDEmergency Medicine Physician
04-52263KSMDEmergency Medicine Physician
EMC0008439MIMDEmergency Medicine Physician
2026001102MOMDEmergency Medicine Physician
2025-03934NCMDEmergency Medicine Physician
CP1834NEMDEmergency Medicine Physician
47018OKMDEmergency Medicine Physician
MD28003ORMDEmergency Medicine Physician
MD425791PAMDEmergency Medicine Physician
W2237TXMDEmergency Medicine Physician
0101287475VAMDEmergency Medicine Physician
60476107WAMDEmergency Medicine Physician
MD.MD.60476107WAMDEmergency Medicine Physician
19161CWYMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Urgent Care LLC CurrentSince Oct 7, 2025 Accepting new patients
Primamed Physicians PLLC CurrentSince Feb 3, 2026 Accepting new patients
Washtenaw Urgent Care Current Accepting new patients
Nextcare Arizona I JV LLC CurrentSince Oct 7, 2025 Accepting new patients
Ucp Physicians of Central Texas, PLLC CurrentSince Feb 3, 2026 Accepting new patients
Wright Turn Lane PC CurrentSince Dec 30, 2025 Accepting new patients
Nextcare Nebraska Providers LLC Emergency Medicine CurrentSince Dec 30, 2025 Accepting new patients
Emergent Care Plus of Overland Park, LLC CurrentSince Dec 30, 2025 Accepting new patients
Medical Resource Management, LLC CurrentSince Dec 30, 2025 Accepting new patients
Ucp Physicians of Central Texas, PLLC CurrentSince Feb 3, 2026 Accepting new patients
Zoomcare Urgent Care LLC CurrentSince Apr 1, 2025 Accepting new patients
Silverton Health CurrentSince Jul 31, 2008 Accepting new patients
Silverton Health Current Accepting new patients
Nextcare Arizona LLC CurrentSince Oct 7, 2025 Accepting new patients
Peacehealth Networks on Demand, LLC CurrentSince Aug 7, 2024 Accepting new patients
Primamed Physicians PLLC CurrentSince Feb 3, 2026 Accepting new patients
Silverton Health CurrentSince Jul 31, 2008 Accepting new patients
Nextcare Michigan Providers PLLC CurrentSince Dec 30, 2025 Accepting new patients
Nextcare Primary Care Texas PLLC CurrentSince Feb 3, 2026 Accepting new patients
Colorado Urgent Care PLLC CurrentSince Oct 7, 2025 Accepting new patients
College Drive Urgent Care LLC CurrentSince Dec 30, 2025 Accepting new patients
Matrix Occupational Health P.C. Emergency Medicine CurrentSince Dec 30, 2025 Accepting new patients
Wright Turn Lane PC CurrentSince Dec 30, 2025 Accepting new patients
Colorado Urgent Care PLLC Current Accepting new patients
Emergency Medicine Associates PC Emergency Medicine CurrentSince Oct 1, 2014 Accepting new patients
Emergent Care Plus, LLC Past Accepting new patients
Jefferson University Physicians Past Accepting new patients
Peacehealth Past Accepting new patients
Medi Horizons Inc Past Accepting new patients
Citimed, P.a. Past Accepting new patients

Locations (25 of 45)

2080 W Southern Ave
Bldg A1
Apache Junction, AZ 85120
Phone (480) 985-0172

1683 E Florence Blvd
Ste 7
Casa Grande, AZ 85122
Phone (520) 876-0800

450 S Willard St
Ste 120
Cottonwood, AZ 86326
Phone (928) 634-2574

1000 N Humphreys St
Ste 104
Flagstaff, AZ 86001
Phone (928) 779-3844

2062 Willow Creek Rd
Prescott, AZ 86301
Phone (928) 443-5103

914 N Scottsdale Rd
Ste 104
Tempe, AZ 85288
Phone (480) 776-1620

2145 E Baseline Rd
Ste 101
Tempe, AZ 85283
Phone (480) 498-4058

5369 S Calle Santa Cruz
Ste 145
Tucson, AZ 85706
Phone (520) 573-7500

9525 E Old Spanish Trl
Ste 101
Tucson, AZ 85748
Phone (520) 731-3666

1394 W 16th St
Yuma, AZ 85364
Phone (928) 539-0055

18890 E Hampden Ave
Aurora, CO 80013
Phone (303) 617-1604

1100 N 4th St
Leavenworth, KS 66048
Phone (913) 297-9945

3280 Washtenaw Ave
Ann Arbor, MI 48104
Phone (734) 225-9300

1110 Kildaire Farm Rd
Cary, NC 27511
Phone (919) 481-0277

217 Glensford Dr
Fayetteville, NC 28314
Phone (910) 483-4647

110 N 66th St
Lincoln, NE 68505
Phone (402) 325-8950

8419 S 73rd Plz
Ste 101
Papillion, NE 68046
Phone (402) 991-9060

627 N Lincoln Ave
York, NE 68467

16205 N Pennsylvania Ave
Edmond, OK 73013
Phone (405) 512-6950

10701 N Rockwell Ave
Oklahoma City, OK 73162
Phone (405) 470-1500

10221 SE Sunnyside Rd
Clackamas, OR 97015

2490 Willamette St
Ste 4
Eugene, OR 97405
Phone (541) 746-7671

17815 SW 65th Ave
Lake Oswego, OR 97035

1455 NW Irving St
Ste 600
Portland, OR 97209
Phone (702) 388-4512

172 NE Martin Luther King Jr Blvd
Portland, OR 97232

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 30

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.

View all 30

NPI Registry JSON

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

{
    "created_epoch": "1152748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1437174307",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2145 E BASELINE RD STE 101",
            "city": "TEMPE",
            "state": "AZ",
            "postal_code": "852831546"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 N 4TH ST",
            "city": "LEAVENWORTH",
            "state": "KS",
            "postal_code": "660481572",
            "telephone_number": "913-297-9945"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "16205 N Pennsylvania Ave",
            "address_purpose": "LOCATION",
            "city": "Edmond",
            "state": "OK",
            "postal_code": "730137325",
            "country_code": "US",
            "telephone_number": "405-705-5700",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "330 White Oak Rd",
            "address_purpose": "LOCATION",
            "city": "Fredericksburg",
            "state": "VA",
            "postal_code": "224052792",
            "country_code": "US",
            "telephone_number": "540-373-2424",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "914 N Scottsdale Rd Ste 104",
            "address_purpose": "LOCATION",
            "city": "Tempe",
            "state": "AZ",
            "postal_code": "852882116",
            "country_code": "US",
            "telephone_number": "480-889-3570",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2741 NE McBaine Dr Ph",
            "address_purpose": "LOCATION",
            "city": "Lees Summit",
            "state": "MO",
            "postal_code": "640647880",
            "country_code": "US",
            "telephone_number": "816-554-2600",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "110 N 66th St",
            "address_purpose": "LOCATION",
            "city": "Lincoln",
            "state": "NE",
            "postal_code": "685052402",
            "country_code": "US",
            "telephone_number": "402-325-8950",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "217 Glensford Dr",
            "address_purpose": "LOCATION",
            "city": "Fayetteville",
            "state": "NC",
            "postal_code": "283140892",
            "country_code": "US",
            "telephone_number": "910-483-4647",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3280 Washtenaw Ave",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481044283",
            "country_code": "US",
            "telephone_number": "734-389-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "18890 E Hampden Ave",
            "address_purpose": "LOCATION",
            "city": "Aurora",
            "state": "CO",
            "postal_code": "800133504",
            "country_code": "US",
            "telephone_number": "303-617-1604",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2030 Bluegrass Cir",
            "address_purpose": "LOCATION",
            "city": "Cheyenne",
            "state": "WY",
            "postal_code": "820097328",
            "country_code": "US",
            "telephone_number": "307-635-3500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3802 Catclaw Dr",
            "address_purpose": "LOCATION",
            "city": "Abilene",
            "state": "TX",
            "postal_code": "796068253",
            "country_code": "US",
            "telephone_number": "325-690-1500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZEITZER",
        "first_name": "MARK",
        "middle_name": "E.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-13",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "KS",
            "license": "04-52263",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "60476107",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OK",
            "license": "47018",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NC",
            "license": "2025-03934",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MO",
            "license": "2026001102",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "PA",
            "license": "MD425791",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CO",
            "license": "CDR.0000811",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NE",
            "license": "CP1834",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ID",
            "license": "MC-0552",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WY",
            "license": "19161C",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "VA",
            "license": "0101287475",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "W2237",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "EMC0008439",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OR",
            "license": "MD28003",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "WA",
            "license": "MD.MD.60476107",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "101311910",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "218641",
            "state": "OR"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0070092",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Leavenworth, KS

Sources for this page

Verify at the official NPI Registry.