ANDREW MACKEY MD
Complete NPI Record 1063492262
Family Medicine in Northampton, MA
Complete NPI Dataset
This page contains the complete raw NPPES record for Andrew Mackey, MD (NPI 1063492262), an individual family medicine provider in Northampton, MA. All 95 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.
- NPI: 1063492262 Field 1/95
- 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 2/95
- 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: MACKEY Field 3/95
- The last name of the provider. If the provider is an individual, this is the legal name.
- Provider First Name: ANDREW Field 4/95
- The first name of the provider, if the provider is an individual.
- Provider Credential Text: MD Field 5/95
- 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: 30 LOCUST ST Field 6/95
- 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: NORTHAMPTON Field 7/95
- The city name in the mailing address of the provider being identified.
- Provider Business Mailing Address State Name: MA Field 8/95
- 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: 010602052 Field 9/95
- 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 10/95
- 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: 4135822792 Field 11/95
- 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: 4135824675 Field 12/95
- 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: 30 LOCUST ST Field 13/95
- 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: NORTHAMPTON Field 14/95
- The city name in the location address of the provider being identified.
- Provider Business Practice Location Address State Name: MA Field 15/95
- The State code in the location of the provider being identified.
- Provider Business Practice Location Address Postal Code: 010602052 Field 16/95
- 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 17/95
- The country code in the location address of the provider being identified.
- Provider Business Practice Location Address Telephone Number: 4135822792 Field 18/95
- The telephone number associated with the location address of the provider being identified.
- Provider Business Practice Location Address Fax Number: 4135824675 Field 19/95
- The fax number associated with the location address of the provider being identified.
- Provider Gender Code: M Field 22/95
- The code designating the provider's gender if the provider is a person.
- Healthcare Provider Taxonomy Code 1: 207Q00000X Field 23/95
- 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: 51058 Field 24/95
- 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: MA Field 25/95
- 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 26/95
- 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: 04-2161484 Field 27/95
- 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 28/95
- 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: MA Field 29/95
- 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: PLAN VISTA Field 30/95
- 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: 04-2161484 Field 31/95
- 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 32/95
- 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: MA Field 33/95
- 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: PRIVATE HEALTHCARE SYSTEM Field 34/95
- 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: 04-2161484 Field 35/95
- 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 36/95
- 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: MA Field 37/95
- 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: UNICARE/GIC Field 38/95
- 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: 04-2161484 Field 39/95
- 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 40/95
- 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: MA Field 41/95
- 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: CONSOLIDATED Field 42/95
- 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: 04-2161484 Field 43/95
- 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 44/95
- 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: MA Field 45/95
- 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: GREAT-WEST Field 46/95
- 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: 102566 Field 47/95
- 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 48/95
- 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: MA Field 49/95
- 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 6: CIGNA Field 50/95
- 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: J02259 Field 51/95
- 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 52/95
- 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: MA Field 53/95
- 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: BCBS MA Field 54/95
- 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: 04-2161484 Field 55/95
- 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 56/95
- 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: MA Field 57/95
- 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: NORTHEAST HEALTH DIRECT Field 58/95
- 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: 04-2161484 Field 59/95
- 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 60/95
- 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: MA Field 61/95
- 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 9: NORTHEAST HEALTHCARE ALLI Field 62/95
- 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 10: 14069 Field 63/95
- 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 64/95
- 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: MA Field 65/95
- 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: HEALTH NEW ENGLAND Field 66/95
- 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: 000000007896 Field 67/95
- 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 68/95
- 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: MA Field 69/95
- 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: BMC Field 70/95
- 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: 04-2161484 Field 71/95
- 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 72/95
- 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: MA Field 73/95
- 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: PIONEER HEALTH NETWORK Field 74/95
- 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: 438597 Field 75/95
- 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 76/95
- 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: MA Field 77/95
- 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: HARVARD PILGRIM Field 78/95
- 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: 768151 Field 79/95
- 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 80/95
- 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: MA Field 81/95
- 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: TUFTS Field 82/95
- 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: 702623 Field 83/95
- 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 84/95
- 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: MA Field 85/95
- 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: CONNECTICARE Field 86/95
- 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 16: 04-2161484 Field 87/95
- 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 16: 01 Field 88/95
- 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 16: MA Field 89/95
- 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 16: NORTH AMERICAN PREFERRED Field 90/95
- 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 17: 2274527 Field 91/95
- 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 17: 01 Field 92/95
- 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 17: MA Field 93/95
- 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 17: AETNA Field 94/95
- 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 95/95
- 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.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.