NPPES file of Aug 9, 2026

Mark A. Flood, D.O.

Orthopaedic Surgery of the Spine Physician · Austin, TX

Mark A. Flood, D.O. is an orthopaedic surgery of the spine physician with a practice address in Austin, Texas, and NPI 1346341005, issued on Sep 26, 2006. Check the license (Texas K8748, 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
1346341005
Name
Mark A. Flood
Credential
D.O.
Primary taxonomy
Orthopaedic Surgery of the Spine Physician 207XS0117X
License number
K8748 TX
Self-reported in NPPES; status is on the state search
Practice location
4201 W Parmer LN, Austin, TX 78727
Phone
(512) 834-1300
Enumerated
Sep 26, 2006
Record last updated
May 12, 2010 (not updated in 16 years: call before relying on the address or phone)
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 4201 W Parmer LN

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

  1. Dominique CianfichiHome Health Registered Nurse1548060114
  2. Michelle Jones, LMFTMarriage & Family Therapist1841916970

Verify Mark A. Flood in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K8748
    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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83% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024

66 Medicare Part D claims for 26 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 55 claims were for opioids.

  1. Mark Flood66
  2. Specialty average381

Most prescribed

  1. Oxycodone-Acetaminophen24 claims
  2. Acetaminophen-Codeine17 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: $699.83

6 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Flood$700
  2. Specialty average$34,072

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

Mark A. Flood among 225 orthopaedic surgery of the spine physician records in Texas

Mark A. Flood, D.O. is one of 225 orthopaedic surgery of the spine physician records with a practice address in Texas. 87% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 52% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 79% of these records are
  • Record last updated2010 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery of the Spine Physician providers in Texas

There are 225 orthopaedic surgery of the spine physician records in Texas.

The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes

  1. Matthew Geck, M.D.Austin, TX 787311073561833
  2. Ryan Murdock, MDAustin, TX 787231790909281
  3. Jay Shapiro, MDAustin, TX 787231184698706
  4. Viet Tran, M.D.Austin, TX 787311316050990
  5. Eeric Truumees, MDAustin, TX 787311356322630
  6. John Williams, MDAustin, TX 787231720052079
  7. Kurt Vonrueden, M.D.Lakeway, TX 787381114975893
  8. Jason Toy, M.D.Austin, TX 787451841589157

Common questions

What is Mark A. Flood, D.O.'s NPI number?

Mark A. Flood, D.O.'s National Provider Identifier (NPI) is 1346341005, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Flood, D.O. located?

The NPPES record lists a practice address at 4201 W Parmer LN, Austin, TX, 78727. Phone: (512) 834-1300. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Flood, D.O.'s license?

NPPES lists Texas license number K8748, 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 Mark A. Flood, D.O. prescribe under Medicare Part D?

In 2024, Mark A. Flood, D.O. had 66 Medicare Part D claims for 26 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. 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.