Thomas Marshall, APRN, AGACNP-BC
NPI 1437739695 · Acute Care Nurse Practitioner · Round Rock, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Marshall, APRN, AGACNP-BC is a Acute Care Nurse Practitioner provider in Round Rock, TX (NPI 1437739695).
Provider details
- NPI number
- 1437739695
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, AGACNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- AP145589 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
95 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 35 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 32 | $96 |
| Critical Care, First 30-74 Minutes99291 | 28 | $170 |
Typical Medicare-allowed amounts for these services range $64–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 12731 Research Blvd Ste B200Austin, TX 78759-4387Phone: (512) 477-4088
- 201 Seton PkwyRound Rock, TX 78665-8000Phone: (512) 324-4600
Registry dates
- Enumerated
- 2021-04-12
- Last updated
- 2024-10-23
- Certified
- 2024-10-23
Frequently asked questions
- What is Thomas Marshall's NPI number?
- Thomas Marshall's National Provider Identifier (NPI) is 1437739695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Marshall's specialty?
- Thomas Marshall is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thomas Marshall located?
- Thomas Marshall's practice location on file with NPPES is 300 University Blvd, Round Rock, TX 78665-1032.
- What is Thomas Marshall's phone number?
- The practice phone number listed in the NPPES registry for Thomas Marshall is (512) 509-0100.
- Does Thomas Marshall accept Medicare?
- Thomas Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Marshall's NPI active?
- Yes — Thomas Marshall's NPI (1437739695) is active in the NPPES registry as of the last update on 2024-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.