NPPES file of Aug 9, 2026

Jacquelyn Callahan, MD

Emergency Medicine Physician · Corpus Christi, TX

Jacquelyn Callahan, MD is an emergency medicine physician with a practice address in Corpus Christi, Texas, and NPI 1396373213, issued on Mar 27, 2020. Check the license (Texas T6848, 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
1396373213
Name
Jacquelyn Callahan
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
T6848 TX
Self-reported in NPPES; status is on the state search
Practice location
600 Elizabeth St, Corpus Christi, TX 78404
Phone
(361) 861-1864
Enumerated
Mar 27, 2020
Record last updated
Oct 26, 2022
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 600 Elizabeth St

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

  1. Al-Hasan Al-AfghaniHospitalist Physician1558618900
  2. Clint Allen, CRNACertified Registered Nurse Anesthetist1295719649
  3. David Allen, MDHospitalist Physician1457586885
  4. Deborah Allen, ASSOCIATESPhysical Therapy Assistant1548692924
  5. Brittany AmayaSpeech-Language Pathologist1760313332
  6. Morgan ApostolStudent in an Organized Health Care Education/Training Program1952169666

Verify Jacquelyn Callahan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license T6848
    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.

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48% fewer Medicare Part D claims than the average emergency medicine physician in 2024

118 Medicare Part D claims for 92 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Jacquelyn Callahan118
  2. Specialty average226

Most prescribed

  1. Amoxicillin-Clavulanate Potass17 claims

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): 93.3 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 score80.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $40.00

1 payment: education; the largest payer was Csl Behring. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jacquelyn Callahan$40.00
  2. Specialty average$953.79

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

Jacquelyn Callahan among 4,885 emergency medicine physician records in Texas

Jacquelyn Callahan, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.

  • NPI issued2020 · 84% of these records are older, 12% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2022 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

155 emergency medicine physician records list a practice address in Corpus Christi

They are 155 of the 5,600 NPPES records with a practice address in Corpus Christi, and 4,885 emergency medicine physician records in Texas.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Nicholas Bown, MDCorpus Christi, TX 784041124068234
  2. Cadyn Crawford, MDCorpus Christi, TX 784041487159372
  3. Jordyn Ewbank, DOCorpus Christi, TX 784041437656410
  4. Mark Flora, M.D.Corpus Christi, TX 784041366860918
  5. Shani ItaliyaCorpus Christi, TX 784041558757443
  6. Paul Jackson, DOCorpus Christi, TX 784041114422599
  7. Kathryn Kirkland, M.D.Corpus Christi, TX 784041093732638
  8. Lamar MoodyCorpus Christi, TX 784041336307081

Common questions

What is Jacquelyn Callahan, MD's NPI number?

Jacquelyn Callahan, MD's National Provider Identifier (NPI) is 1396373213, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jacquelyn Callahan, MD located?

The NPPES record lists a practice address at 600 Elizabeth St, Corpus Christi, TX, 78404. Phone: (361) 861-1864. Providers update this record themselves, so call before visiting.

How can I verify Jacquelyn Callahan, MD's license?

NPPES lists Texas license number T6848, 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 Jacquelyn Callahan, MD prescribe under Medicare Part D?

In 2024, Jacquelyn Callahan, MD had 118 Medicare Part D claims for 92 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Jacquelyn Callahan, MD's MIPS final score?

The 2023 MIPS final score is 93.3 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.