NPPES file of Aug 9, 2026

Marshall Brandon Packard, MD

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician · San Antonio, TX

Marshall Brandon Packard, MD is an undersea and hyperbaric medicine (preventive medicine) physician with a practice address in San Antonio, Texas, and NPI 1538175443, issued on Jul 31, 2006. Check the license (Texas L1419, 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
1538175443
Name
Marshall Brandon Packard
Credential
MD
Primary taxonomy
Undersea and Hyperbaric Medicine (Preventive Medicine) Physician 2083P0011X
License number
L1419 TX
Self-reported in NPPES; status is on the state search
Practice location
414 Navarro St Ste 502, San Antonio, TX 78205
Phone
(210) 223-1145
Enumerated
Jul 31, 2006
Record last updated
Apr 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(210) 615-7619
Medicaid ID
148874414 TX
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.
Download card Updates feed

Verify Marshall Brandon Packard in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L1419
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

95% fewer Medicare Part D claims than the average undersea and hyperbaric medicine (preventive medicine) physician in 2024

16 Medicare Part D claims, against an average of 308 among the 148 providers of this specialty who prescribed in Part D.

  1. Marshall Packard16
  2. Specialty average308

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.

Marshall Brandon Packard among 50 undersea and hyperbaric medicine (preventive medicine) physician records in Texas

Marshall Brandon Packard, MD is one of 50 undersea and hyperbaric medicine (preventive medicine) 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 26% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2018 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083P0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Undersea and Hyperbaric Medicine (Preventive Medicine) Physician providers in Texas

There are 50 undersea and hyperbaric medicine (preventive medicine) physician records in Texas.

The 8 undersea and hyperbaric medicine (preventive medicine) physician records with the nearest ZIP codes

  1. Heather McKenzie, M.D.San Antonio, TX 782171811930431
  2. Jayesh Shah, MDSan Antonio, TX 782171962404830
  3. Kenneth Hart, D.O.San Antonio, TX 782291003998071
  4. Fernando Karst, MDSan Antonio, TX 782291326148586
  5. Jason Kelly, M.D.San Antonio, TX 782291033277876
  6. Homer Reyes, M.D.San Antonio, TX 782291912015660
  7. James Smith, M.D.San Antonio, TX 782291942249123
  8. Benton Zwart, MD, MPHSan Antonio, TX 782291003910720

Common questions

What is Marshall Brandon Packard, MD's NPI number?

Marshall Brandon Packard, MD's National Provider Identifier (NPI) is 1538175443, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marshall Brandon Packard, MD located?

The NPPES record lists a practice address at 414 Navarro St Ste 502, San Antonio, TX, 78205. Phone: (210) 223-1145. Providers update this record themselves, so call before visiting.

How can I verify Marshall Brandon Packard, MD's license?

NPPES lists Texas license number L1419, 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 Marshall Brandon Packard, MD prescribe under Medicare Part D?

In 2024, Marshall Brandon Packard, MD had 16 Medicare Part D claims; the average among undersea and hyperbaric medicine (preventive medicine) physician prescribers was 308. 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.