HOSUN HWANG M.D.
Complete NPI Record 1770624793
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Houston, TX

Active since February 11, 2007PECOS EnrolledAccepts Medicare Assignment
18220 STATE HIGHWAY 249 STE 300, HOUSTON, TX 77070(281) 737-0999(281) 737-0926 Get Directions

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Mar 17, 2018, Dec 7, 2017 (2 updates tracked since 2017).

Complete NPI Dataset

This page contains the complete raw NPPES record for Hosun Hwang, M.D. (NPI 1770624793), an individual orthopaedic surgery provider in Houston, TX. All 83 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: 1770624793
Field 1/83
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 2/83
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: HWANG
Field 3/83
The last name of the provider. If the provider is an individual, this is the legal name.
Provider First Name: HOSUN
Field 4/83
The first name of the provider, if the provider is an individual.
Provider Credential Text: M.D.
Field 5/83
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: 18220 STATE HIGHWAY 249 STE 300
Field 6/83
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: HOUSTON
Field 7/83
The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: TX
Field 8/83
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: 770704370
Field 9/83
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 10/83
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: 2817370999
Field 11/83
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: 2817370926
Field 12/83
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: 18220 STATE HIGHWAY 249 STE 300
Field 13/83
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: HOUSTON
Field 14/83
The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: TX
Field 15/83
The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 770704370
Field 16/83
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 17/83
The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 2817370999
Field 18/83
The telephone number associated with the location address of the provider being identified.
Provider Business Practice Location Address Fax Number: 2817370926
Field 19/83
The fax number associated with the location address of the provider being identified.
Provider Gender Code: M
Field 22/83
The code designating the provider's gender if the provider is a person.
Healthcare Provider Taxonomy Code 1: 207XS0117X
Field 23/83
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: M6206
Field 24/83
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: TX
Field 25/83
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 26/83
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: 207XS0117X
Field 27/83
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: A98908
Field 28/83
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: CA
Field 29/83
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: N
Field 30/83
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: 00A989080
Field 31/83
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: 05
Field 32/83
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: CA
Field 33/83
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 2: 1770624793
Field 34/83
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 35/83
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: TX
Field 36/83
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: BLUE CROSS BLUE SHIELD
Field 37/83
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: 601771109
Field 38/83
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 39/83
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: US DEPT OF LABOR
Field 40/83
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: 208172103
Field 41/83
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: 05
Field 42/83
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: TX
Field 43/83
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 5: 208172104
Field 44/83
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: 05
Field 45/83
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: TX
Field 46/83
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 6: 610197302 FANNIN
Field 47/83
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 48/83
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: TX
Field 49/83
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: US DEPT OF LABOR
Field 50/83
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: 616771101
Field 51/83
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 52/83
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: US DEPT OF LABOR
Field 53/83
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: 610197301 CENTERFIEL
Field 54/83
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 55/83
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: TX
Field 56/83
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: US DEPT OF LABOR
Field 57/83
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: 616771110
Field 58/83
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 59/83
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: US DEPT OF LABOR
Field 60/83
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: P01258260
Field 61/83
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 62/83
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: TX
Field 63/83
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: MEDICARE RR
Field 64/83
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: 616771105
Field 65/83
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 66/83
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 11: US DEPT OF LABOR
Field 67/83
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: 208172102
Field 68/83
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: 05
Field 69/83
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: TX
Field 70/83
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 13: P00998176
Field 71/83
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 72/83
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: TX
Field 73/83
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: MEDICARE RR
Field 74/83
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: P01070528
Field 75/83
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 76/83
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: TX
Field 77/83
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: RR MEDICARE
Field 78/83
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: 8DY920
Field 79/83
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 80/83
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: TX
Field 81/83
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: BLUE CROSS BLUE SHIELD
Field 82/83
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 83/83
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.

Secondary Practice Locations 1

The first line of the secondary practice location address of the provider being identified. For providers with more than one physical location, this is a secondary practice location address. This address cannot include a Post Office box.

18220 State Highway 249, Suite 400
Location 1/1
Houston, TX 77070-4347 · Phone (281) 737-0999 · Fax (281) 737-0926

Other Provider Identifiers 15

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

00A989080 Medicaid
Identifier 1/15
State: CA
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.
1770624793 Other
Identifier 2/15
State: TX · Issuer: Blue Cross Blue Shield
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
601771109 Other
Identifier 3/15
Issuer: Us Dept Of Labor
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
208172103 Medicaid
Identifier 4/15
State: TX
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.
208172104 Medicaid
Identifier 5/15
State: TX
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.
610197302 FANNIN Other
Identifier 6/15
State: TX · Issuer: Us Dept Of Labor
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
616771101 Other
Identifier 7/15
Issuer: Us Dept Of Labor
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
610197301 CENTERFIEL Other
Identifier 8/15
State: TX · Issuer: Us Dept Of Labor
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
616771110 Other
Identifier 9/15
Issuer: Us Dept Of Labor
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
P01258260 Other
Identifier 10/15
State: TX · Issuer: Medicare Rr
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
616771105 Other
Identifier 11/15
Issuer: Us Dept Of Labor
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
208172102 Medicaid
Identifier 12/15
State: TX
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.
P00998176 Other
Identifier 13/15
State: TX · Issuer: Medicare Rr
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
P01070528 Other
Identifier 14/15
State: TX · Issuer: Rr Medicare
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
8DY920 Other
Identifier 15/15
State: TX · Issuer: Blue Cross Blue Shield
Other: An additional provider identifier that does not correspond to any of the other defined identifier type categories.
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