Dr. Mark Ambler, MD
What this data tells you about Dr. Ambler
Dr. Mark Ambler is a family medicine in Austin, TX, with 19 years in practice. Based on federal Medicare data, Dr. Ambler performed 1,937 Medicare services across 1,670 unique beneficiaries.
Between the years covered by Open Payments, Dr. Ambler received a total of $249 from 6 pharmaceutical and/or device companies across 9 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Ambler is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) | 274 | $81 | $238 |
| Comprehensive metabolic blood panel | 210 | $10 | $47 |
| Hemoglobin A1c test (diabetes monitoring) | 156 | $10 | $44 |
| Lipid panel (cholesterol and triglycerides) | 149 | $13 | $60 |
| Complete blood count (CBC), automated | 119 | $6 | $30 |
| Office visit, established patient (20-29 min) | 118 | $59 | $168 |
| Thyroid stimulating hormone (TSH) test | 101 | $16 | $75 |
| Annual wellness visit, follow-up | 84 | $130 | $237 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 74 | $282 | $478 |
| Pneumonia vaccine administration | 74 | $31 | $44 |
| Complete blood count (CBC) with differential | 63 | $8 | $35 |
| Flu vaccine administration | 57 | $31 | $39 |
| Flu vaccine, high-dose | 56 | $72 | $74 |
| Urinalysis with microscopic exam | 36 | $3 | $15 |
| Urine culture, bacterial colony count | 34 | $8 | $37 |
| Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 33 | $30 | $98 |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 32 | $40 | $138 |
| Urine microalbumin test (kidney screening) | 27 | $6 | $26 |
| Creatinine test (kidney function) | 27 | $5 | $24 |
| Chest X-ray, 2 views | 20 | $26 | $62 |
| Bacterial culture, aerobic | 18 | $8 | $35 |
| Antibiotic sensitivity test | 18 | $8 | $39 |
| Prostate cancer screening; prostate specific antigen test (psa) | 17 | $19 | $43 |
| Ferritin level test (iron stores) | 15 | $13 | $61 |
| Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 15 | $165 | $349 |
| Basic metabolic blood panel | 14 | $8 | $47 |
| Vitamin B-12 level test | 14 | $15 | $67 |
| Retinal photography (fundus photo) | 14 | $17 | $161 |
| Adm sarscv2 bvl 30mcg/.3ml a | 13 | $41 | $80 |
| 3D screening mammography (tomosynthesis) | 11 | $25 | $133 |
| Screening mammography | 11 | $95 | $281 |
| Automated urinalysis | 11 | $2 | $15 |
| Sed rate test (inflammation marker) | 11 | $3 | $8 |
| Telephone medical discussion with physician, 11-20 minutes | 11 | $70 | $131 |
Industry Payment Transparency
Open Payments through 2023 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2023)
Associated products mentioned in payments ›
Most payments (95%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.6 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2023 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Ambler is a clinical cardiology specialist, with above-average Medicare volume (top 14% in TX), and low-engagement industry engagement, with 19 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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