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- 800 Washington St, Boston, MA 02111
About Dr. Marengi
Based in Boston, MA, Nathan Marengi, MD is listed in the NPI registry under anesthesiology. Nathan graduated from University of Massachusetts Medical School in 2008. Medicare claims data shows Nathan provided 271 services to 270 patients. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. NPI 1093978975 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 636-5000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
800 WASHINGTON ST
Boston, MA 02111
Conditions Commonly Evaluated or Treated
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.
Conditions
Sedation & Phobias
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Nerve blocks
- Celiac Plexus Nerve Block
- Abdominal Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
- In-Office Anesthesia for Plastic Surgery
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- IV sedation for endoscopy
Sedation & anesthesia
- General anesthesia
- Moderate dental sedation
- Sedation for dental work
- Labor epidural
- Pre-surgery anesthesia consult
- Spinal spinal block
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
271 services · 270 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
32 | More often than most peers in Anesthesiology |
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
15 | Less often than most peers in Anesthesiology |
| Other procedure on nervous system | Procedure | 64999 |
12 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
50 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
32 | More often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
30 | More often than most peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
21 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
18 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on upper abdomen | Anaesthesia | 00790 |
17 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
15 | As often as other peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other anesthesiologists in Boston 7
Same specialty, same city.
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at University of Massachusetts Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Marengi specialize in?
Dr. Marengi is an anesthesiologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Marengi located?
Dr. Marengi is listed at 800 Washington St, Boston, MA 02111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Marengi's phone number?
The number on file is (617) 636-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Marengi?
Dr. Marengi's National Provider Identifier is 1093978975. 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
Where did Dr. Marengi go to medical school?
Dr. Marengi attended University of Massachusetts Medical School, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marengi have?
Dr. Marengi has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Marengi do most often?
According to Medicare billing data, Dr. Marengi performs procedures including injection of anesthetic agent and/or steroid into thigh nerve, insertion of artery tube for blood sampling or infusion through skin and other procedure on nervous system; provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marengi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marengi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.