DIANE HELEN ZUG MD
Complete NPI Record 1578596227
Family Medicine in Rockford, IL

Active since July 08, 2006PECOS EnrolledAccepts Medicare Assignment
6830 VILLAGREEN VW, ROCKFORD, IL 61107(815) 282-1339(815) 282-1298 Get Directions

NPPES record last updated: January 28, 2008. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Complete NPI Dataset

This page contains the complete raw NPPES record for Diane Helen Zug, MD (NPI 1578596227), an individual family medicine provider in Rockford, IL. All 35 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: 1578596227
Field 1/35
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 2/35
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: ZUG
Field 3/35
The last name of the provider. If the provider is an individual, this is the legal name.
Provider First Name: DIANE
Field 4/35
The first name of the provider, if the provider is an individual.
Provider Middle Name: HELEN
Field 5/35
The middle name of the provider, if the provider is an individual.
Provider Credential Text: MD
Field 6/35
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: 6830 VILLAGREEN VW
Field 7/35
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 Business Mailing Address City Name: ROCKFORD
Field 8/35
The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: IL
Field 9/35
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: 611075639
Field 10/35
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 11/35
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: 8152821339
Field 12/35
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: 8152821298
Field 13/35
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: 6830 VILLAGREEN VW
Field 14/35
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 Business Practice Location Address City Name: ROCKFORD
Field 15/35
The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: IL
Field 16/35
The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 611075639
Field 17/35
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 18/35
The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 8152821339
Field 19/35
The telephone number associated with the location address of the provider being identified.
Provider Business Practice Location Address Fax Number: 8152821298
Field 20/35
The fax number associated with the location address of the provider being identified.
Provider Gender Code: F
Field 23/35
The code designating the provider's gender if the provider is a person.
Healthcare Provider Taxonomy Code 1: 207Q00000X
Field 24/35
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 State Code 1: IL
Field 25/35
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 26/35
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: CC5050
Field 27/35
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 28/35
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: IL
Field 29/35
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: RR MEDICARE GROUP NUMBER
Field 30/35
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: P00434019
Field 31/35
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 32/35
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: IL
Field 33/35
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: RR MEDICARE PTAN NUMBER
Field 34/35
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 35/35
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 7

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

P00434019 Other
Identifier 1/7
State: IL · Issuer: Rr Medicare Ptan Number
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
K29422 Medicare ID-Type Unspecified
Identifier 2/7
State: IL
Medicare ID (Type Unspecified): A Medicare-issued provider identifier whose specific subtype or program context has not been designated.
846930 Medicare ID-Type Unspecified
Identifier 3/7
State: IL · Issuer: Medicare Group #
Medicare ID (Type Unspecified): A Medicare-issued provider identifier whose specific subtype or program context has not been designated.
CC5050 Other
Identifier 4/7
State: IL · Issuer: Rr Medicare Group Number
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
K29423 Medicare ID-Type Unspecified
Identifier 5/7
State: IL
Medicare ID (Type Unspecified): A Medicare-issued provider identifier whose specific subtype or program context has not been designated.
I57187 Medicare UPIN
Identifier 6/7
State: IL
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.
834340 Medicare ID-Type Unspecified
Identifier 7/7
State: IL · Issuer: Medicare Group #
Medicare ID (Type Unspecified): A Medicare-issued provider identifier whose specific subtype or program context has not been designated.
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