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- 55 Fruit Street, Grb 406E, Boston, MA 02114
About Dr. Fitzsimons
Michael G. Fitzsimons, MD practices anesthesiology in Boston, MA. Michael is also listed as specializing in anesthesiology — critical care. According to Medicare claims data, Michael cared for 223 Medicare patients across 225 services. The services billed most often include anesthesia for procedure to correct abnormal heart rhythm, anesthesia for procedure on heart and large blood vessels, and insertion of probe in esophagus for heart ultrasound. The provider's National Provider Identifier (NPI) is 1588632848.
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) 726-8808
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
55 FRUIT STREET GRB 406E
Boston, MA 02114
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
225 services · 223 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
35 | More often than most peers in Anesthesiology |
| Anesthesia for procedure to correct abnormal heart rhythm | Anaesthesia | 00410 |
48 | More than most peers in Anesthesiology |
| Anesthesia for procedure on heart and large blood vessels | Anaesthesia | 00560 |
45 | More than most peers in Anesthesiology |
| Anesthesia for procedure to assess heart electrical activity | Anaesthesia | 00537 |
28 | More often than most peers in Anesthesiology |
| Anesthesia for insertion of permanent heart pacemaker | Anaesthesia | 00530 |
13 | Less often than most peers in Anesthesiology |
| Insertion of probe in esophagus for heart ultrasound | Treatment | 93313 |
43 | More than most peers in Anesthesiology |
| Insertion of tube in pulmonary artery for monitoring | Treatment | 93503 |
13 | 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.
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 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Fitzsimons?
Dr. Fitzsimons 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
What is Dr. Fitzsimons's address?
Dr. Fitzsimons is listed at 55 Fruit Street Grb 406E, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Fitzsimons?
The number on file is (617) 726-8808. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Fitzsimons's NPI number?
Dr. Fitzsimons's National Provider Identifier is 1588632848. 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. Fitzsimons train?
Dr. Fitzsimons attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Fitzsimons been practicing?
Dr. Fitzsimons has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Fitzsimons perform?
According to Medicare billing data, Dr. Fitzsimons performs procedures including insertion of artery tube for blood sampling or infusion through skin; provides treatments such as insertion of probe in esophagus for heart ultrasound and insertion of tube in pulmonary artery for monitoring. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Fitzsimons confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fitzsimons. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.