NPPES file of Aug 9, 2026

Caitlin Patricia Marsh, D.O.

Surgery Physician · Round Rock, TX

Caitlin Patricia Marsh, D.O. is a surgery physician with a practice address in Round Rock, Texas, and NPI 1851871842, issued on Aug 18, 2018. Check the license (Texas W0659, 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
1851871842
Name
Caitlin Patricia Marsh
Credential
D.O.
Primary taxonomy
Surgery Physician 208600000X
License number
W0659 TX
Self-reported in NPPES; status is on the state search
Practice location
300 University Blvd, Round Rock, TX 78665
Phone
(512) 509-0100
Enumerated
Aug 18, 2018
Record last updated
Dec 4, 2025
Medicare enrollment
Enrolled (PECOS I20251216000098); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 300 University Blvd

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

  1. Brian Albert, MDEmergency Medicine Physician1780241638
  2. Torey AllingEmergency Medicine Physician1871121814
  3. Victoriano AquinoPhysician Assistant1750919742
  4. Rachel Arffa, MDOtolaryngology Physician1316268410
  5. Danielle Arnold, MDPediatrics Physician1114293834
  6. Joseph Ayoub, M.D.Diagnostic Radiology Physician1588844609

Verify Caitlin Patricia Marsh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license W0659
    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.

86% fewer Medicare Part D claims than the average surgery physician in 2024

21 Medicare Part D claims for 18 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 16 claims were for opioids.

  1. Caitlin Marsh21
  2. Specialty average147

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: $183.70

1 payment: food and beverage; the largest payer was Dilon Technologies, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Caitlin Marsh$183.70
  2. Specialty average$3,513.80

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. Scott And White ClinicTemple, TX

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

Surgery Physician providers in Texas

There are 2,192 surgery physician records in Texas.

Other surgery physician records in Texas

  1. Alan Abando, M.D.Cedar Park, TX1073561387
  2. Babak Abbassi, M.D.Greenville, TX1992151385
  3. Steven Abbate, MDSan Antonio, TX1235117433
  4. John Abbott, M.D.Rowlett, TX1255540936
  5. Kareem Abdelfattah, MDDallas, TX1053510339
  6. John Abdelsayed, MDSugar Land, TX1578983839
  7. Ziad Abdo, M.D.Dallas, TX1700838414
  8. Alan Abel, MDBig Spring, TX1518966829
  9. Stephen Abernathy, M.D.Temple, TX1851389779
  10. John Abikhaled, M.D.Austin, TX1639108731

Common questions

What is Caitlin Patricia Marsh, D.O.'s NPI number?

Caitlin Patricia Marsh, D.O.'s National Provider Identifier (NPI) is 1851871842, issued on Aug 18, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Caitlin Patricia Marsh, D.O. located?

The NPPES record lists a practice address at 300 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0100. Providers update this record themselves, so call before visiting.

How can I verify Caitlin Patricia Marsh, D.O.'s license?

NPPES lists Texas license number W0659, 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 Caitlin Patricia Marsh, D.O. prescribe under Medicare Part D?

In 2024, Caitlin Patricia Marsh, D.O. had 21 Medicare Part D claims for 18 beneficiaries; the average among surgery physician prescribers was 147. 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.