NPPES file of Aug 9, 2026

John Hollowell, MD

Cardiovascular Disease Physician · Plano, TX

John Hollowell, MD is a cardiovascular disease physician with a practice address in Plano, Texas, and NPI 1083601520, issued on Sep 30, 2005. Check the license (Texas J2605, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083601520
Name
John Hollowell
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
J2605 TX
Self-reported in NPPES; status is on the state search
Practice location
6601 Preston RD, Plano, TX 75024
Phone
(469) 326-3400
Enumerated
Sep 30, 2005
Record last updated
Jun 10, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(469) 326-3499
Medicare enrollment
Enrolled (PECOS I20100327000414); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 1985
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 6601 Preston RD

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

  1. Aasim Afzal, M.DAdvanced Heart Failure and Transplant Cardiology Physician1619235322
  2. Karim Al-Azizi, M.D.Interventional Cardiology Physician1457649592
  3. Sahil Bakshi, DOCardiovascular Disease Physician1659368199
  4. Karen Balcerak, APNCardiovascular Disease Physician1316957053
  5. Andrew Binder, MDCardiovascular Disease Physician1578770707
  6. Shelby Davis, RNCardiovascular Disease Physician1235260738

Verify John Hollowell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J2605
    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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2.5 times the Medicare Part D claims of the average cardiovascular disease physician in 2024

7,703 Medicare Part D claims for 1,038 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. John Hollowell7,703
  2. Specialty average3,078

Most prescribed

  1. Rosuvastatin Calcium651 claims
  2. Amlodipine Besylate575 claims
  3. Metoprolol Succinate538 claims
  4. Atorvastatin Calcium464 claims
  5. Eliquis415 claims
  6. Carvedilol374 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.

Industry payments in 2024: $1,324.49

67 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Hollowell$1,324.49
  2. Specialty average$3,819.56

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. Healthtexas Provider NetworkPlano, TX

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

John Hollowell among 1,603 cardiovascular disease physician records in Texas

John Hollowell, MD is one of 1,603 cardiovascular disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1985 · median 1998 among the 1,219 with a school on file
  • Record last updated2013 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Texas

There are 1,603 cardiovascular disease physician records in Texas.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Sahil Bakshi, DOPlano, TX 750241659368199
  2. Patrick Kennedy, M.D.Plano, TX 750241174571137
  3. Marcus McKenzie, MDPlano, TX 750241588640213
  4. Philip Morales, MDPlano, TX 750241326035643
  5. Radhakrishnan Nair, MDPlano, TX 750241134116676
  6. David Prewitt, MDPlano, TX 750241871580316
  7. Susan Pryor, MDPlano, TX 750241508853052
  8. David Rawitscher, MDPlano, TX 750241700873247

Common questions

What is John Hollowell, MD's NPI number?

John Hollowell, MD's National Provider Identifier (NPI) is 1083601520, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Hollowell, MD located?

The NPPES record lists a practice address at 6601 Preston RD, Plano, TX, 75024. Phone: (469) 326-3400. Providers update this record themselves, so call before visiting.

How can I verify John Hollowell, MD's license?

NPPES lists Texas license number J2605, 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 John Hollowell, MD prescribe under Medicare Part D?

In 2024, John Hollowell, MD had 7,703 Medicare Part D claims for 1,038 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.