NPPES file of Aug 9, 2026

James David Mackey, MD

Medical Oncology Physician · Southlake, TX

James David Mackey, MD is a medical oncology physician with a practice address in Southlake, Texas, and NPI 1356388870, issued on Jun 1, 2006. Check the license (Texas L2999, 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
1356388870
Name
James David Mackey
Credential
MD
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
L2999 TX
Self-reported in NPPES; status is on the state search
Practice location
431 E State Highway 114 Ste 470, Southlake, TX 76092
Phone
(817) 416-0202
Enumerated
Jun 1, 2006
Record last updated
Apr 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(817) 869-3519
Medicaid ID
174353601 TX
Medicare enrollment
Enrolled (PECOS I20230321002303); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2000
Telehealth
Offers telehealth (CMS)
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 431 E State Highway 114 Ste 470

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

  1. Raetasha Dabney, M.D.Hematology & Oncology Physician1124219449
  2. Swapna Goday, MDHematology & Oncology Physician1225396039

Verify James David Mackey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L2999
    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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2.5 times the Medicare Part D claims of the average medical oncology physician in 2024

1,762 Medicare Part D claims for 311 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 302 claims were for opioids.

  1. James Mackey1,762
  2. Specialty average703

Most prescribed

  1. Ondansetron Odt137 claims
  2. Hydrocodone-Acetaminophen114 claims
  3. Prochlorperazine Maleate87 claims
  4. Lenalidomide77 claims
  5. Dexamethasone76 claims
  6. Imbruvica74 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 MIPS final score for 2023 (Medicare payment program): 90.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score67.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $427.52

13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Mackey$428
  2. Specialty average$11,773

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. Princeton Community Hospital Assn. Inc.Princeton, WV

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

James David Mackey among 547 medical oncology physician records in Texas

James David Mackey, MD is one of 547 medical oncology physician records with a practice address in Texas. 85% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 45% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2000 · median 2000 among the 414 with a school on file
  • Record last updated2019 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Texas

There are 547 medical oncology physician records in Texas.

The 8 medical oncology physician records with the nearest ZIP codes

  1. Jessica Hals, D.O.Weatherford, TX 760861013955095
  2. Ann-Margaret Ochs, D. O.Weatherford, TX 760861710917083
  3. Bassam Ghabach, M.D.Fort Worth, TX 761041245374180
  4. Muhammad Isa, M.DFort Worth, TX 761041548284342
  5. Latha Neerukonda, MDFort Worth, TX 761041215960018
  6. John Nugent, MDFort Worth, TX 761041083656094
  7. Mark Redrow, MDFort Worth, TX 761041689615726
  8. Robert Ruxer, MDFort Worth, TX 761041649217647

Common questions

What is James David Mackey, MD's NPI number?

James David Mackey, MD's National Provider Identifier (NPI) is 1356388870, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James David Mackey, MD located?

The NPPES record lists a practice address at 431 E State Highway 114 Ste 470, Southlake, TX, 76092. Phone: (817) 416-0202. Providers update this record themselves, so call before visiting.

How can I verify James David Mackey, MD's license?

NPPES lists Texas license number L2999, 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 James David Mackey, MD prescribe under Medicare Part D?

In 2024, James David Mackey, MD had 1,762 Medicare Part D claims for 311 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.

What is James David Mackey, MD's MIPS final score?

The 2023 MIPS final score is 90.1 of 100. 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.