Physician Profile
Oscar JOSE MARCELINO Perozo Alfonzo, MD practices anesthesiology in Lawrence, MA. According to Medicare claims data, Oscar cared for 130 Medicare patients across 135 services. The services billed most often include injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus), and injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve). The provider's National Provider Identifier (NPI) is 1831619238.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1 GENERAL ST
Lawrence, MA 01841
800 Washington St
Boston, MA 02111
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
135 services · 130 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
44 | More often than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
24 | More often than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) | Procedure | 64445 |
21 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on skin of arms, legs, and front body | Anaesthesia | 00400 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
11 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Perozo Alfonzo is an anesthesiologist in Lawrence, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Perozo Alfonzo is listed at 1 General St, Lawrence, MA 01841. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (978) 683-4000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Perozo Alfonzo's National Provider Identifier is 1831619238. 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
Dr. Perozo Alfonzo attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
Dr. Perozo Alfonzo has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Perozo Alfonzo performs procedures including injection of anesthetic agent and/or steroid into thigh nerve, injection of anesthetic agent and/or steroid into arm nerve bundle and injection of anesthetic agent and/or steroid into lower back and leg nerve; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for other procedure on skin of arms, legs, and front body. 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 Dr. Perozo Alfonzo. If this is you, claiming it is free.
Guide.md
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