Dr. Jonathan Lin, M.D.
Anesthesiology (Anesthesiology Physician)
345 Saint Paul St
Baltimore, MD 21202
Who else practices at this address →
Baltimore city includes primary care (36% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- Warren Alpert Medical School of Brown University (2012)
- Years since graduation
- 14
- In the NPI registry since
- 2012
- Medicare patients seen, 2024
- 142
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2012Medical school: Warren Alpert Medical School of Brown University
- 2012Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Anesthesiology Physician primary
MD license D80709 · FL license TRN18403 -
Internal Medicine Physician
RI license LP02508
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Mercy Medical Center Inc Baltimore, MD
Medical groups
- North Calvert Anesthesiology Services LLC (62 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 142
- Services billed
- 242
- Patients’ average age
- 73
| Service | Times | Patients |
|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 49 | 48 |
| Other procedure on nervous system | 49 | 49 |
| Anesthesia for procedure for total knee joint replacement | 43 | 43 |
| Anesthesia for total hip replacement | 23 | 23 |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 12 | 12 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Payments from drug and device companies
In 2025, 2 companies reported 10 payments worth $205 in total to this clinician.
| Merck Sharp & Dohme LLC | $171 |
|---|---|
| Vertex Pharmaceuticals Incorporated | $33.98 |
| Food and Beverage | $205 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.