CYNTHIA THEIN SINGH UNGER NP NPI 1588815971

NPI Record

The following NPI record includes the field values provided by the NPPES as well as the field definition as published in the Federal Register. The complete NPI record is also available for download in text, csv and xml formats.

Field Name Field Value Definition 1
NPI 1588815971 The date on which the National Provider Identifier (NPI) was officially assigned and certified to the provider. This reflects when the provider's NPI record first became active in the NPPES system.
Entity Type Code 1 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 UNGER The Employer Identification Number (EIN), assigned by the IRS, of the provider being identified.
Provider First Name CYNTHIA The name of the organization provider. If the provider is an organization, this is the legal business name.
Provider Middle Name THEIN SINGH The middle name of the provider, if the provider is an individual.
Provider Credential Text NP Code identifying the type of other name. Codes are: 1 = former name; 2 = professional name; 3 = doing business as (d/b/ a) name; 4 = former legal business name; 5 = other.
Provider Other Last Name SINGH 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 Other First Name CYNTHIA The city name in the location address of the provider being identified.
Provider Other Middle Name THEIN The State code in the location of the provider being identified.
Provider Other Credential Text NP 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 Other Last Name Type Code 1 The country code in the location address of the provider being identified.
Provider First Line Business Practice Location Address 300 PASTEUR DR The telephone number associated with the location address of the provider being identified.
Provider Second Line Business Practice Location Address EMERGENCY DEPARTMENT/CDA The fax number associated with the location address of the provider being identified.
Provider Business Practice Location Address City Name STANFORD The date the provider was assigned a unique identifier (assigned an NPI).
Provider Business Practice Location Address State Name CA The date that a record was last updated or changed.
Provider Business Practice Location Address Postal Code 943052200 The last name of the person authorized to submit the NPI application or to change NPS data for a health care provider.
Provider Business Practice Location Address Country Code If outside U S US The first name of the authorized official.
Provider Business Practice Location Address Telephone Number 6507237337 The title or position of the authorized official.
Provider Enumeration Date 10/4/2008 The 10-position telephone number of the authorized official.
Last Update Date 12/10/2018 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 Gender Code F 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 1 363LA2100X Indicates whether the provider is a subpart of a larger organization. This is a single-character code: "Y" means the entity is an organizational subpart, while "N" means it is not. Subparts typically include hospital departments, clinics, or other distinct units that fall under a parent organization.
Provider License Number 1 17476 The Legal Business Name (LBN) of the parent organization, if the provider is a subpart of a larger entity. This field identifies the official registered name of the parent company or organization under which the provider operates.
Provider License Number State Code 1 CA The Taxpayer Identification Number (TIN) of the parent organization, provided when the provider is a subpart of a larger entity. This field identifies the federal tax ID used by the parent organization for official and billing purposes.
Healthcare Provider Primary Taxonomy Switch 1 Y Specifies whether the provider is part of a single-specialty or multi-specialty business group. The possible values are: 193200000X – Multi-Specialty Group or 193400000X – Single Specialty Group. This field helps distinguish the organizational structure of a provider group.
Is Sole Proprietor N The date on which the National Provider Identifier (NPI) was officially assigned and certified to the provider. This reflects when the provider's NPI record first became active in the NPPES system.

(1) Field Definition Source-. Federal Register / Vol. 69, No. 15 / Friday, January 23, 2004 / Rules and Regulations - Part II Department of Health and Human Services Office of the Secretary 45 CFR Part 162 HIPAA Administrative Simplification: Standard Unique Health Identifier for Health Care Providers; Final Rule

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What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 3/30/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.

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