DR. MARK W MUILENBURG M.D.
Complete NPI Record 1033196233
Family Medicine in Orange City, IA

Active since December 28, 2005PECOS Enrolled
83.57/100
CMS Quality Rating
1000 LINCOLN CIR SE, SUITE 100, ORANGE CITY, IA 51041(712) 737-2000(712) 737-2115 Get Directions

NPPES record last updated: June 1, 2011. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Complete NPI Dataset

This page contains the complete raw NPPES record for Dr. Mark W Muilenburg, M.D. (NPI 1033196233), an individual family medicine provider in Orange City, IA. All 89 fields on file are listed with their current values and official NPPES definitions, exactly as recorded in the National Plan and Provider Enumeration System. Only fields that contain data are included, so the number of fields shown varies from one NPI record to another.

Use the tools below to filter fields by category, search within the record, or jump straight to a specific field. You can download the full record as a CSV, JSON, or text file, or filter first and export only the fields you need. The Print Clean Summary button produces a printer-friendly copy of the record.

Registry File Document Utilities
NPI: 1033196233
Field 1/89
The 10-position all-numeric identification number assigned by the NPS to uniquely identify a health care provider. The NPI number includes an ISO standard check-digit in the 10th position. There is no intelligence about the health care provider in the number.
Entity Type Code: 1
Field 2/89
Code describing the type of health care provider that is being assigned an NPI. Codes are 1 = (Person): individual human being who furnishes health care; 2 = (Non-person): entity other than an individual human being that furnishes health care (for example, hospital, SNF, hospital subunit, pharmacy, or HMO).
Provider Last Name Legal Name: MUILENBURG
Field 3/89
The last name of the provider. If the provider is an individual, this is the legal name.
Provider First Name: MARK
Field 4/89
The first name of the provider, if the provider is an individual.
Provider Middle Name: W
Field 5/89
The middle name of the provider, if the provider is an individual.
Provider Name Prefix Text: DR.
Field 6/89
The name prefix or salutation of the provider if the provider is an individual; for example, Mr., Mrs., or Corporal.
Provider Credential Text: M.D.
Field 7/89
The abbreviations for professional degrees or credentials used or held by the provider, if the provider is an individual. Examples are MD, DDS, CSW, CNA, AA, NP, RNA, or PSY. These credential designations will not be verified by NPS.
Provider First Line Business Mailing Address: 1000 LINCOLN CIR SE
Field 8/89
The first line mailing address of the provider being identified. This data element may contain the same information as "Provider first line location address".
Provider Second Line Business Mailing Address: SUITE 100
Field 9/89
The second line mailing address of the provider being identified. This data element may contain the same information as "Provider second line location address".
Provider Business Mailing Address City Name: ORANGE CITY
Field 10/89
The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: IA
Field 11/89
The State or Province name in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address State name".
Provider Business Mailing Address Postal Code: 510411862
Field 12/89
The postal ZIP or zone code in the mailing address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available. This data element may contain the same information as "Provider location address postal code".
Provider Business Mailing Address Country Code If outside U S : US
Field 13/89
The country code in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address country code".
Provider Business Mailing Address Telephone Number: 7127372000
Field 14/89
The telephone number associated with mailing address of the provider being identified. This data element may contain the same information as "Provider location address telephone number".
Provider Business Mailing Address Fax Number: 7127372115
Field 15/89
The fax number associated with the mailing address of the provider being identified. This data element may contain the same information as "Provider location address fax number".
Provider First Line Business Practice Location Address: 1000 LINCOLN CIR SE
Field 16/89
The first line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Second Line Business Practice Location Address: SUITE 100
Field 17/89
The second line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Business Practice Location Address City Name: ORANGE CITY
Field 18/89
The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: IA
Field 19/89
The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 510411862
Field 20/89
The postal ZIP or zone code in the location address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available.
Provider Business Practice Location Address Country Code If outside U S : US
Field 21/89
The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 7127372000
Field 22/89
The telephone number associated with the location address of the provider being identified.
Provider Business Practice Location Address Fax Number: 7127372115
Field 23/89
The fax number associated with the location address of the provider being identified.
Provider Gender Code: M
Field 26/89
The code designating the provider's gender if the provider is a person.
Healthcare Provider Taxonomy Code 1: 207Q00000X
Field 27/89
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 1: 27195
Field 28/89
The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 1: IA
Field 29/89
The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 1: Y
Field 30/89
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Other Provider Identifier 1: 03528
Field 31/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 1: 01
Field 32/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 1: IA
Field 33/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 1: FIRST ADMINISTRATORS
Field 34/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 2: 426038405
Field 35/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 2: 01
Field 36/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 2: IA
Field 37/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 2: EQUITABLE LIFE & CASUALTY
Field 38/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 3: 703361023653
Field 39/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 3: 01
Field 40/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 3: IA
Field 41/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 3: PREFERRED ONE
Field 42/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 4: E43217
Field 43/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 4: 01
Field 44/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 4: IA
Field 45/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 4: COVENTRY HEALTH CARE
Field 46/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 5: 42603840551041
Field 47/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 5: 01
Field 48/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 5: IA
Field 49/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 5: WPS TRICARE
Field 50/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 6: 1048561
Field 51/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 6: 05
Field 52/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 6: IA
Field 53/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier 7: 21480
Field 54/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 7: 01
Field 55/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 7: IA
Field 56/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 7: SIOUX VALLEY HEALTH PLAN
Field 57/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 8: 231
Field 58/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 8: 01
Field 59/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 8: IA
Field 60/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 8: MIDLANDS CHOICE
Field 61/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 9: 6048561
Field 62/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 9: 05
Field 63/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 9: IA
Field 64/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier 10: 0117578
Field 65/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 10: 01
Field 66/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 10: IA
Field 67/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 10: UNITED HEALTH CARE
Field 68/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 11: 03528
Field 69/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 11: 01
Field 70/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 11: IA
Field 71/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 11: WELLMARK BC/BS
Field 72/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 12: 426038405
Field 73/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 12: 01
Field 74/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 12: IA
Field 75/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 12: CIGNA
Field 76/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 13: 0117578
Field 77/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 13: 01
Field 78/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 13: IA
Field 79/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 13: MEDICA
Field 80/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 14: 426038405
Field 81/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 14: 01
Field 82/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 14: IA
Field 83/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 14: CONNECTICUT GENERAL
Field 84/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Other Provider Identifier 15: 45934
Field 85/89
An additional identifier number for the provider, either current or previously used. This may include IDs issued by health plans, state agencies, or other organizations. The value is collected from the NPI application or update form.
Other Provider Identifier Type Code 15: 01
Field 86/89
A code that specifies the type of additional identifier associated with the provider, either current or past. Examples include UPIN (Universal Provider Identification Number), NSC (National Supplier Clearinghouse), OSCAR (CMS Certification Number), DEA (Drug Enforcement Administration number), state Medicaid ID, or a plan-specific PIN. The value is collected from the NPI application or update form.
Other Provider Identifier State 15: IA
Field 87/89
The two-letter state code representing the U.S. state or territory that issued the additional provider identifier. This links the Other Provider Identifier to the state where it is valid or was assigned.
Other Provider Identifier Issuer 15: BC/BS ER LOCATION
Field 88/89
The name of the organization, agency, or health plan that assigned the additional provider identifier. This identifies who issued the number linked to Other Provider Identifier 1 (for example, a state Medicaid agency, Medicare, or a private insurance company).
Is Sole Proprietor: N
Field 89/89
Indicates whether the provider is registered as a sole proprietor. This is a single-character code: "Y" means the provider operates as a sole proprietor, and "N" means they do not.

Other Provider Identifiers 18

Legacy and payer-issued identifiers reported to the NPPES registry for this provider.

03528 Medicare PIN
Identifier 1/18
State: IA
Medicare PIN: Used in legacy data fields alongside a healthcare provider's National Provider Identifier (NPI) to designate legacy Medicare provider numbers.
E43217 Other
Identifier 2/18
State: IA · Issuer: Coventry Health Care
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
42603840551041 Other
Identifier 3/18
State: IA · Issuer: Wps Tricare
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
080050263 Medicare PIN
Identifier 4/18
State: IA
Medicare PIN: Used in legacy data fields alongside a healthcare provider's National Provider Identifier (NPI) to designate legacy Medicare provider numbers.
03528 Other
Identifier 5/18
State: IA · Issuer: First Administrators
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
21480 Other
Identifier 6/18
State: IA · Issuer: Sioux Valley Health Plan
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
703361023653 Other
Identifier 7/18
State: IA · Issuer: Preferred One
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
231 Other
Identifier 8/18
State: IA · Issuer: Midlands Choice
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
1048561 Medicaid
Identifier 9/18
State: IA
Medicaid (State-specific): A provider identification number assigned by an individual state's Medicaid program, used for billing and enrollment within that state's Medicaid system.
0117578 Other
Identifier 10/18
State: IA · Issuer: United Health Care
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
426038405 Other
Identifier 11/18
State: IA · Issuer: Connecticut General
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
0117578 Other
Identifier 12/18
State: IA · Issuer: Medica
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
03528 Other
Identifier 13/18
State: IA · Issuer: Wellmark Bc/bs
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
E43217 Medicare UPIN
Identifier 14/18
State: IA
Medicare UPIN (Unique Physician Identification Number): A legacy six-character alphanumeric identifier previously issued by Medicare to individual physicians before being retired and replaced by the NPI system.
426038405 Other
Identifier 15/18
State: IA · Issuer: Equitable Life & Casualty
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
6048561 Medicaid
Identifier 16/18
State: IA
Medicaid (State-specific): A provider identification number assigned by an individual state's Medicaid program, used for billing and enrollment within that state's Medicaid system.
45934 Other
Identifier 17/18
State: IA · Issuer: Bc/bs Er Location
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
426038405 Other
Identifier 18/18
State: IA · Issuer: Cigna
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
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