Robert Walmsley, M.D.
NPI 1548248073 · Cardiovascular Disease Physician · Houston, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Walmsley, M.D. is a Cardiovascular Disease Physician provider in Houston, TX (NPI 1548248073).
Provider details
- NPI number
- 1548248073
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- G3947 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
341 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $120 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 59 | $13 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 39 | $179 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 30 | $172 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 28 | $65 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 300 | 112 |
| Metoprolol Succinate | 297 | 111 |
| Amlodipine Besylate | 200 | 74 |
| Rosuvastatin Calcium | 197 | 73 |
| Evolocumabbrand: Repatha Sureclick | 138 | 23 |
| Olmesartan Medoxomil | 136 | 51 |
| Ezetimibe | 125 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$700 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Walmsley's NPI number?
- Robert Walmsley's National Provider Identifier (NPI) is 1548248073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Walmsley's specialty?
- Robert Walmsley is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Walmsley located?
- Robert Walmsley's practice location on file with NPPES is 6624 Fannin St, Houston, TX 77030-2312.
- What is Robert Walmsley's phone number?
- The practice phone number listed in the NPPES registry for Robert Walmsley is (713) 791-9514.
- Does Robert Walmsley accept Medicare?
- Robert Walmsley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Walmsley's NPI active?
- Yes — Robert Walmsley's NPI (1548248073) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.