CHRISTOPHER D. ARONSON MD
Complete NPI Record 1649269291
Hospitalist in Saint Cloud, MN

Active since October 17, 2005PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1200 6TH AVE N, SAINT CLOUD, MN 56303(320) 251-2700(320) 240-2118 Get Directions

NPPES record last updated: October 30, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Complete NPI Dataset

This page contains the complete raw NPPES record for Christopher D. Aronson, MD (NPI 1649269291), an individual hospitalist provider in Saint Cloud, MN. All 59 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: 1649269291
Field 1/59
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 2/59
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: ARONSON
Field 3/59
The last name of the provider. If the provider is an individual, this is the legal name.
Provider First Name: CHRISTOPHER
Field 4/59
The first name of the provider, if the provider is an individual.
Provider Middle Name: D.
Field 5/59
The middle name of the provider, if the provider is an individual.
Provider Credential Text: MD
Field 6/59
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: 1200 6TH AVE N
Field 7/59
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: SAINT CLOUD
Field 8/59
The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: MN
Field 9/59
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: 563032735
Field 10/59
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 11/59
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: 3202512700
Field 12/59
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: 3202402118
Field 13/59
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: 1200 6TH AVE N
Field 14/59
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: SAINT CLOUD
Field 15/59
The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: MN
Field 16/59
The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 563032735
Field 17/59
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 18/59
The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 3202512700
Field 19/59
The telephone number associated with the location address of the provider being identified.
Provider Business Practice Location Address Fax Number: 3202402118
Field 20/59
The fax number associated with the location address of the provider being identified.
Provider Gender Code: M
Field 23/59
The code designating the provider's gender if the provider is a person.
Healthcare Provider Taxonomy Code 1: 207R00000X
Field 24/59
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: 44636
Field 25/59
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: MN
Field 26/59
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: N
Field 27/59
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.
Healthcare Provider Taxonomy Code 2: 208M00000X
Field 28/59
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 2: 44636
Field 29/59
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 2: MN
Field 30/59
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 2: Y
Field 31/59
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: 0406505
Field 32/59
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 33/59
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 Issuer 1: MEDICA HEALTH PLANS
Field 34/59
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: 322470800
Field 35/59
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: 05
Field 36/59
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: MN
Field 37/59
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 3: P00119815
Field 38/59
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 39/59
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 Issuer 3: RR MEDICARE
Field 40/59
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: 1639453
Field 41/59
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 42/59
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 Issuer 4: ARAZ GROUP
Field 43/59
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: HP39723
Field 44/59
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 45/59
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 Issuer 5: HEALTH PARTNERS
Field 46/59
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: 141721
Field 47/59
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: 01
Field 48/59
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 Issuer 6: U CARE
Field 49/59
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 7: 773S3AR
Field 50/59
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 51/59
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 Issuer 7: BLUE CROSS BLUE SHIELD
Field 52/59
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: 1033909
Field 53/59
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 54/59
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 Issuer 8: PREFERRED ONE
Field 55/59
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: 322470800
Field 56/59
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: 01
Field 57/59
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 Issuer 9: MEDICAL ASSISTANCE
Field 58/59
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 59/59
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 11

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

1033909 Other
Identifier 1/11
Issuer: Preferred One
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
110009462 Medicare PIN
Identifier 2/11
State: MN
Medicare PIN: Used in legacy data fields alongside a healthcare provider's National Provider Identifier (NPI) to designate legacy Medicare provider numbers.
HP39723 Other
Identifier 3/11
Issuer: Health Partners
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
322470800 Other
Identifier 4/11
Issuer: Medical Assistance
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
773S3AR Other
Identifier 5/11
Issuer: Blue Cross Blue Shield
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
0406505 Other
Identifier 6/11
Issuer: Medica Health Plans
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
141721 Other
Identifier 7/11
Issuer: U Care
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
1639453 Other
Identifier 8/11
Issuer: Araz Group
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
P00119815 Other
Identifier 9/11
Issuer: Rr Medicare
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
H62273 Medicare UPIN
Identifier 10/11
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.
322470800 Medicaid
Identifier 11/11
State: MN
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.
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