Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW T. ROMBERG MD
NPI 1598866816
Obstetrics & Gynecology in Lakeway, TX

Active since September 26, 2006PECOS EnrolledAccepts Medicare Assignment
200 MEDICAL PKWY STE 310, LAKEWAY, TX 78738(512) 654-0300(512) 654-8676 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Dec 23, 2021, Oct 18, 2016 (3 updates tracked since 2016).

About Matthew T. Romberg Md NPPES

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

MATTHEW T. ROMBERG MD (NPI 1598866816) is an individual obstetrics & gynecology provider in Lakeway, Texas, licensed in Texas (M4484) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center - Round Rock, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1598866816
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameMATTHEW T. ROMBERGCredential: MD
Location Address200 MEDICAL PKWY STE 310Lakeway, TX 78738-1794
Mailing AddressPo Box 844658Dallas, TX 75284-4658
Fax(512) 654-8676
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateSeptember 26, 2006
Last NPPES UpdateSeptember 29, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2026
✔ NPI 1598866816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in TX · M4484
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
200 MEDICAL PKWY STE 310, Lakeway, TX 78738

Accepted 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

Matthew T. Romberg Md 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 ID8729080767
PECOS Enrollment IDI20070205000514
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 Reassignments

2

Medicare enrollment records show Matthew Romberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurological Surgery
1601 TRINITY ST STOP 704
Austin, TX 78712
  • Reassigned Medicare billing, Texas enrollment
  • 1,188 clinicians in this Medicare group
Internal Medicine
1701 E PFLUGERVILLE PKWY
Pflugerville, TX 78660
  • Reassigned Medicare billing, Texas enrollment
  • 2,795 clinicians in this Medicare group

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

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78738 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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 7

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

Physician Assistant
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738
Obstetrics & Gynecology
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738
Obstetrics & Gynecology
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738
Obstetrics & Gynecology
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738
Nurse Practitioner
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738
Obstetrics & Gynecology
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738
Radiology (Neuroradiology)
200 MEDICAL PKWY STE 310
LAKEWAY, TX 78738

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 Matthew Romberg's NPI number?

The NPI number for Matthew Romberg is 1598866816. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Matthew Romberg located?

Matthew Romberg practices at 200 Medical Pkwy Ste 310, Lakeway, TX 78738. The listed phone number is (512) 654-0300.

What is Matthew Romberg's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Matthew Romberg enrolled in Medicare?

Yes. Matthew Romberg 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 organizations bill Medicare for Matthew Romberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Romberg reassigns Medicare benefits to 2 organizations: Seton Family Of Doctors (Austin, TX) and Scott & White Clinic (Pflugerville, TX). Each 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 Matthew Romberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Romberg accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Matthew Romberg 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 Matthew Romberg affiliated with any hospitals?

According to CMS data, Matthew Romberg is affiliated with Baylor Scott & White Medical Center - Round Rock.

When was this NPI record last updated?

The NPPES record for Matthew Romberg was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days 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.