Physician Profile
John Preston, M.D. practices anesthesiology in Glen Burnie, MD. According to Medicare claims data, John cared for 393 Medicare patients across 404 services. The services billed most often include injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus), anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand, and anesthesia for other procedure on top of arm bone and shoulder joint.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
301 HOSPITAL DR
Glen Burnie, MD 21061
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
404 services · 393 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
101 | More than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
21 | As often as other peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | Anaesthesia | 01810 |
87 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on top of arm bone and shoulder joint | Anaesthesia | 01630 |
50 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on forearm, wrist, or hand bones | Anaesthesia | 01830 |
48 | More than most peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
20 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
16 | More often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
14 | |
| Anesthesia for other procedure or exam of knee joint using an endoscope | Anaesthesia | 01400 |
13 | |
| Anesthesia for other procedure on lower spine | Anaesthesia | 00630 |
12 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
John Preston is an anesthesiologist in Glen Burnie, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
John Preston is listed at 301 Hospital Dr, Glen Burnie, MD 21061. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (410) 787-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
John Preston's National Provider Identifier is 1134129190. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
John Preston has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, John Preston performs procedures including injection of anesthetic agent and/or steroid into arm nerve bundle and injection of anesthetic agent and/or steroid into other nerve or branch; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand and anesthesia for other procedure on top of arm bone and shoulder joint. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by John Preston. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.