Quick answers
- Does Steven L. Ambrosich accept Medicare assignment?
- Yes. Medicare's clinician data says Steven L. Ambrosich accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Steven L. Ambrosich see?
- In 2024, CMS data shows 266 Original Medicare patients and 402 services for Steven L. Ambrosich. This counts Original Medicare only and measures volume, not quality.
- What is Steven L. Ambrosich's NPI number?
- 1841236056. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Steven L. Ambrosich, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 266 |
|---|---|
| Services billed to Medicare | 402 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for other procedure on urinary system through urethra (00910)211 services
- Anesthesia for procedure on anus and rectum (00902)65 services
- Anesthesia for shock wave therapy for urinary system stones without water bath (00873)48 services
- Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)28 services
- Anesthesia for removal of prostate including use of an endoscope (00914)19 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes32%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)27%
- Ischemic heart disease25%
Practice locations
Addresses where Steven L. Ambrosich is enrolled with Medicare (CMS data updated October 2, 2026).
- 2007 Rock Spring RdForest Hill, MD 21050 (410) 879‑2474
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Forest Hill
Clinicians with the same Medicare primary specialty in Forest Hill, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841236056 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians