NPPES file of Aug 9, 2026

Diana Chapa, MD

Psychiatry Physician · Harlingen, TX

Diana Chapa, MD is a psychiatry physician with a practice address in Harlingen, Texas, and NPI 1811965528, issued on Mar 9, 2006. Check the license (Texas T3443, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811965528
Name
Diana Chapa
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
T3443 TX
Self-reported in NPPES; status is on the state search
Practice location
2902 Haine Dr, Harlingen, TX 78550
Phone
(956) 296-4000
Enumerated
Mar 9, 2006
Record last updated
Sep 23, 2024
Fax
(956) 296-2842
Medicare enrollment
Enrolled (PECOS I20211118001078); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 1995
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 2902 Haine Dr

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

  1. Faiza AhmadStudent in an Organized Health Care Education/Training Program1720838311
  2. Alcides Amador, MDChild & Adolescent Psychiatry Physician1417338286
  3. Ramsis Benjamin, M.D., MPHNeurology Physician1265473581
  4. Thelma Cavazos Fitzgerald, APRN FNP-BC PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1518018886
  5. Johnny Chen, MDStudent in an Organized Health Care Education/Training Program1912791054
  6. Everardo Cobos, M.D.Hematology & Oncology Physician1194713354

Verify Diana Chapa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T3443
    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
Open the Texas license search

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97% fewer Medicare Part D claims than the average psychiatry physician in 2024

27 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Diana Chapa27
  2. Specialty average1,000

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score65.8
  2. Costout of 100 · 30%49.2
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $30.51

1 payment: food and beverage; the largest payer was Abiomed. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Chapa$30.51
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Texas Rio Grande ValleyMcAllen, TX

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

Diana Chapa among 3,318 psychiatry physician records in Texas

Diana Chapa, MD is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 65% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 45% of these records are
  • Graduated1995 · median 2006 among the 1,481 with a school on file
  • Record last updated2024 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Texas

There are 3,318 psychiatry physician records in Texas.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Lacie Callaway, MDHarlingen, TX 785501578743209
  2. Michael Escamilla, MDHarlingen, TX 785501801903893
  3. Jason Evans, M.D.Harlingen, TX 785501306003900
  4. Jose Garcia, M.D.Harlingen, TX 785501982706545
  5. Karl Goodkin, MD, PHDHarlingen, TX 785501538176466
  6. Evangelino Pangilinan, MDHarlingen, TX 785501487614244
  7. Ihsan Salloum, MDHarlingen, TX 785501760457147
  8. Kathleen Salvatore, M.D.Harlingen, TX 785501053408229

Common questions

What is Diana Chapa, MD's NPI number?

Diana Chapa, MD's National Provider Identifier (NPI) is 1811965528, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diana Chapa, MD located?

The NPPES record lists a practice address at 2902 Haine Dr, Harlingen, TX, 78550. Phone: (956) 296-4000. Providers update this record themselves, so call before visiting.

How can I verify Diana Chapa, MD's license?

NPPES lists Texas license number T3443, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Diana Chapa, MD prescribe under Medicare Part D?

In 2024, Diana Chapa, MD had 27 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is Diana Chapa, MD's MIPS final score?

The 2023 MIPS final score is 81.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.