Dr. Maria Grabow, M.D.
What this data tells you about Dr. Grabow
Dr. Maria Grabow is an anesthesiology specialist in San Antonio, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Grabow performed 308 Medicare services in 2023. These records do not provide a deduplicated patient total.
The Data Coverage level for Dr. Grabow is High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
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 |
|---|---|---|---|
| Anesthesia for eyelid procedure Administration of anesthesia during a surgical procedure involving the eyelid. |
99 | $79 | $1,464 |
| Anesthesia for cataract/lens surgery Administration of anesthesia during eye lens surgery. This code covers the anesthetic service provided for the procedure. |
88 | $59 | $1,104 |
| Anesthesia for retinal surgery Administration of anesthesia during surgical procedures on the retina. |
73 | $86 | $1,647 |
| Anesthesia for lower leg, ankle, or foot bone procedure Administration of anesthesia during surgical procedures involving the bones of the lower leg, ankle, or foot. |
23 | $72 | $1,365 |
| Anesthesia for head, neck, or upper back procedure Administration of anesthesia for surgical procedures involving the skin, muscles, or nerves of the head, neck, or upper back. |
14 | $80 | $1,365 |
| Anesthesia for other eye procedure Administration of anesthesia for surgical procedures on the eye that are not otherwise specified. |
11 | $93 | $1,869 |
Geographic Context
3.7 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | — No payments | N/A |
| Disciplinary History | — Not included | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Grabow is a cardiac surgery specialist, with above-average Medicare volume (top 18% in TX), with 20 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, 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. Data Coverage reflects 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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