Registry data as of Aug 27, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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-BCFamily 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

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

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

27 Medicare Part D claims, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Diana Chapa27
  2. Specialty average1,010

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 Medicare quality score for 2023: 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, mostly food and beverage; the largest payer was Abiomed. The 12,691 providers of this specialty with any payment received $4,902.45 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$4,902.45

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

One hospital or facility affiliation

  1. University OF Texas Rio Grande ValleyMcAllen, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Psychiatry Physician providers in Texas

There are 3,071 psychiatry physician records in Texas.

Other psychiatry physician records in Texas

  1. Deana Abdel-Reheim, MDLufkin, TX1467696591
  2. Omar Abdelaziz, MDGalveston, TX1962140871
  3. Olumuyiwa Abdul, MDRichmond, TX1285898940
  4. Amina AbdullaHouston, TX1811906480
  5. Firas Abdulla, MDPlano, TX1356964621
  6. Akeel AbdullahHouston, TX1619473832
  7. Aurif Abedi, MDMcKinney, TX1922064922
  8. Nathalie Abenoza, MDDallas, TX1518543495
  9. Oseni Abiri, APRNHouston, TX1629619358
  10. Frieda Aboul-Fotouh, M.D.Houston, TX1437394293

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 1,010. Part D covers Medicare prescriptions only.

What is Diana Chapa, MD's Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.