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- 326 Washington St, Norwich, CT 06360
About Mark Larsen
Mark S. Larsen is a certified registered nurse anesthetist practicing in Norwich, CT. According to Medicare claims data, Mark cared for 94 Medicare patients across 99 services. The services billed most often include anesthesia for other procedure on urinary system through urethra, anesthesia for removal of urinary bladder tumors including use of an endoscope, and anesthesia for removal of prostate including use of an endoscope. This provider record is associated with NPI 1447223078.
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
- (860) 823-6337
- Email not available
Practice Locations
326 WASHINGTON ST
Norwich, CT 06360
Conditions and Services Within This Provider's Scope
Within Certified Registered Nurse Anesthetist 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
Acute Pain
Anxiety & Phobias
Face & Jaw
Head & Face
Joint Pain
Joints & Soft Tissue
Maternity
Mental Health
- Bipolar Depression
- Generalized anxiety disorder
- OCD
- Postpartum depression
- PTSD (Post-Traumatic Stress Disorder)
- Treatment-resistant depression
Nerve Pain
- Carpal tunnel
- Complex Regional Pain Syndrome
- Diabetic neuropathy
- Occipital neuralgia
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Rib pain
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
- Trigeminal neuralgia
Pain
- Cancer pain
- Chronic pelvic pain
- Fibromyalgia
- Migraines
- Muscle knots and spasms
- Post-Surgery Pain
- Spinal headache
Pelvic & Abdominal
Spine & Back
- Arthritis of the spine
- Chronic back pain
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Neck pain
- Sacroiliac joint pain
- Spinal Stenosis Pain
- Spondylolisthesis
- Tailbone pain
- Whiplash Pain
Procedures & services
General Anesthesia
Nerve Blocks
- Sphenopalatine Ganglion (SPG) Block
- Celiac plexus block
- Lumbar sympathetic block
- Medial branch block
- Nerve Block Injection
- Occipital nerve block
- Stellate ganglion block
Pain Relief Procedures
- Continuous Nerve Catheter Placement
- Blood patch for spinal headache
- Patient-Controlled Analgesia (PCA) Setup
- Radiofrequency ablation
Sedation
- In-Office Anesthesia for Plastic Surgery
- Moderate dental sedation
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- Deep Sedation
- Emergency Pain Relief
- Minimal dental sedation
- Sedation for Eye Surgery
Specialized Care
Vascular Access
- Ultrasound-Guided IV Placement
- Central line placement in child
- Midline IV Catheter Placement
Consultations
Infusion Therapy
Injections
- Caudal Epidural Injection
- Epidural steroid injection
- Facet joint injection
- Sacroiliac joint injection
- Transforaminal Epidural Injection
- Trigger Point Injections
Joint Injections
- Hip Joint Injection
- Knee Joint Injection
- Shoulder Joint Injection
Joints & Soft Tissue
Maternity
Pain Management
- Back Muscle Nerve Block
- Knee nerve block and ablation
- Knee Nerve Burning
- Pudendal nerve block
- Rib nerve block
- Spinal cord stimulator trial
- Superior hypogastric plexus block
Surgical Pain Relief
Procedures Most Often Billed to Medicare
99 services · 94 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
36 | More than most peers in Certified Registered Nurse… |
| Anesthesia for removal of urinary bladder tumors including use of an endoscope | Anaesthesia | 00912 |
17 | More often than most peers in Certified Registered Nurse… |
| Anesthesia for removal of prostate including use of an endoscope | Anaesthesia | 00914 |
16 | More often than most peers in Certified Registered Nurse… |
| Anesthesia for procedure on anus and rectum | Anaesthesia | 00902 |
16 | As often as other peers in Certified Registered Nurse… |
| Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope | Anaesthesia | 00918 |
14 | As often as other peers in Certified Registered Nurse… |
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 certified registered nurse anesthetists at this location 4
Same specialty, same street address — most likely the same department or group.
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.
Other certified registered nurse anesthetists in Norwich 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for other procedure on urinary system through urethra 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Mark S. Larsen?
Mark S. Larsen is a certified registered nurse anesthetist in Norwich, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mark S. Larsen's address?
Mark S. Larsen is listed at 326 Washington St, Norwich, CT 06360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mark S. Larsen?
The number on file is (860) 823-6337. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark S. Larsen's NPI number?
Mark S. Larsen's National Provider Identifier is 1447223078. 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 Mark S. Larsen train?
Mark S. Larsen attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark S. Larsen been practicing?
Mark S. Larsen has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mark S. Larsen perform?
According to Medicare billing data, Mark S. Larsen provides treatments such as anesthesia for other procedure on urinary system through urethra and anesthesia for removal of urinary bladder tumors including use of an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark S. Larsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark S. Larsen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.