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CAITLIN PATRICIA MARSH D.O.
NPI 1851871842
Surgery in Round Rock, TX

Active since August 18, 2018PECOS EnrolledAccepts Medicare Assignment
300 UNIVERSITY BLVD, ROUND ROCK, TX 78665(512) 509-0100 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 4, 2025, Apr 8, 2024, May 30, 2019 and 1 more (4 updates tracked since 2018).

About Caitlin Patricia Marsh D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAITLIN PATRICIA MARSH D.O. (NPI 1851871842) is an individual surgery provider in Round Rock, Texas, licensed in Texas (W0659) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center - Temple, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1851871842
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameCAITLIN PATRICIA MARSHCredential: D.O.
Location Address300 UNIVERSITY BLVDRound Rock, TX 78665-1032
Mailing AddressPo Box 844658Dallas, TX 75284-4658 · (800) 994-0371
Phone(512) 509-0100
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateAugust 18, 2018
Last NPPES UpdateDecember 4, 20254 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1851871842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in TX · W0659
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
300 UNIVERSITY BLVD, Round Rock, TX 78665
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Other Names 1

Former Name (1)Caitlin Patricia Marsh Hardin D.o.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caitlin Patricia Marsh D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466998117
PECOS Enrollment IDI20251216000098
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Caitlin Marsh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Scott & White Clinic
8.8 mi
Internal Medicine
1701 E PFLUGERVILLE PKWY
Pflugerville, TX 78660
  • Reassigned Medicare billing, Texas enrollment
  • 2,795 clinicians in this Medicare group
NPI 1679691729 (512) 259-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baylor Scott & White Medical Center - Temple

Acute Care Hospitals · Temple, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450054
Location2401 S 31st StTemple, TX 76508 · Bell County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Round Rock

Acute Care Hospitals · Round Rock, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670034
Location300 University BlvdRound Rock, TX 78664 · Williamson County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Marble Falls

Acute Care Hospitals · Marble Falls, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670108
Location810 W Highway 71Marble Falls, TX 78654 · Burnet County
Emergency services Birthing friendly

Baylor Scott & White Medical Center- Austin

Acute Care Hospitals · Austin, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number670136
Location5245 W Us 290Austin, TX 78735 · Travis County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78665 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRENNEN J. BEATTY MD
Emergency Medicine
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
KATHLEEN SUSAN GRADY-GREENE ARNP
Nurse Practitioner (Neonatal)
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
MATTHEW RYAN DANLEY D.O.
Anesthesiology
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
CODY R. QUIRK M.D.
Radiology (Diagnostic Radiology)
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
CAITLIN O'CONNOR CRNA
Nurse Anesthetist, Certified Registered
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100
MARCEL ALBERT GRAF AA-C
Anesthesiologist Assistant
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0200
SADIE JOHNSON RN
Registered Nurse
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (940) 595-0169
DR. JACLYN NGOC MINH NGUYEN MD
Emergency Medicine
300 UNIVERSITY BLVD
ROUND ROCK, TX 78665
Williamson County (512) 509-0100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caitlin Marsh's NPI number?

The NPI number for Caitlin Marsh is 1851871842. It was assigned to this individual provider in the NPPES registry on August 18, 2018. The provider is also known as Caitlin Patricia Marsh Hardin D.O..

Where is Caitlin Marsh located?

Caitlin Marsh practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0100.

What is Caitlin Marsh's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Caitlin Marsh enrolled in Medicare?

Yes. Caitlin Marsh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Caitlin Marsh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Marsh reassigns Medicare benefits to Scott & White Clinic (Pflugerville, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Caitlin Marsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlin Marsh accept?

Health plans from Antidote Health of TX and Blue Cross and Blue Shield of Texas list Caitlin Marsh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Caitlin Marsh affiliated with any hospitals?

According to CMS data, Caitlin Marsh is affiliated with Baylor Scott & White Medical Center - Temple, Baylor Scott & White Medical Center - Round Rock, Baylor Scott & White Medical Center - Marble Falls and Baylor Scott & White Medical Center- Austin.

When was this NPI record last updated?

The NPPES record for Caitlin Marsh was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.