NPPES file of Aug 9, 2026

Tommy Y. Chang, NP-C

Psychiatric/Mental Health Nurse Practitioner · Big Spring, TX

Tommy Y. Chang, NP-C is a psychiatric/mental health nurse practitioner with a practice address in Big Spring, Texas, and NPI 1699170498, issued on Oct 23, 2014. Check the license (Texas 631339, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699170498
Name
Tommy Y. Chang
Credential
NP-C
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
631339 TX
Self-reported in NPPES; status is on the state search
Practice location
1901 N US Highway 87, Big Spring, TX 79720
Phone
(432) 267-8216
Enumerated
Oct 23, 2014
Record last updated
Nov 14, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160620001455); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1901 N US Highway 87

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maureen Balcazar, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1598338337
  2. Crystale Dawson, PHDCounseling Psychologist1982995171
  3. Carlos Escobar, MDPsychiatry Physician1982617841
  4. Emily FloresCounselor1235676396
  5. Uju Ifeanyi-ChukwuPsychiatric/Mental Health Nurse Practitioner1104791813
  6. Marissa Islas, COTA/LOccupational Therapy Assistant1609528124

Verify Tommy Y. Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 631339
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

34 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Tommy Chang34
  2. Specialty average906

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Health And Human Services CommissionBig Spring, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tommy Y. Chang among 4,227 psychiatric/mental health nurse practitioner records in Texas

Tommy Y. Chang, NP-C is one of 4,227 psychiatric/mental health nurse practitioner records with a practice address in Texas. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 13% of them.

  • NPI issued2014 · 13% of these records are older, 85% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2014 · median 2021 among the 2,245 with a school on file
  • Record last updated2020 · 18% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 psychiatric/mental health nurse practitioner records list a practice address in Big Spring

They are 12 of the 383 NPPES records with a practice address in Big Spring, and 4,227 psychiatric/mental health nurse practitioner records in Texas.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Oluyomi AkindeleBig Spring, TX 797201053298703
  2. Maureen Balcazar, PMHNP-BCBig Spring, TX 797201598338337
  3. Amanda Beecham, PMHNP-BCBig Spring, TX 797201356975437
  4. Ann Chang, FNP-C, PMHNP-BCBig Spring, TX 797201508287186
  5. Shanna Goetsch, PMHNP-BCBig Spring, TX 797201831780006
  6. Uju Ifeanyi-ChukwuBig Spring, TX 797201104791813
  7. Minnie Morales, APNBig Spring, TX 797201588164750
  8. Julie Mosley, DNP, RN, PMHNP-BCBig Spring, TX 797201780150326

Common questions

What is Tommy Y. Chang, NP-C's NPI number?

Tommy Y. Chang, NP-C's National Provider Identifier (NPI) is 1699170498, issued on Oct 23, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Tommy Y. Chang, NP-C located?

The NPPES record lists a practice address at 1901 N US Highway 87, Big Spring, TX, 79720. Phone: (432) 267-8216. Providers update this record themselves, so call before visiting.

How can I verify Tommy Y. Chang, NP-C's license?

NPPES lists Texas license number 631339, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Tommy Y. Chang, NP-C prescribe under Medicare Part D?

In 2024, Tommy Y. Chang, NP-C had 34 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.