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Edit this profileMark Spencer, MD is a healthcare provider in Hartford, CT specializing in anesthesiology. Mark trained at Georgetown University School of Medicine, graduating in 1991. Medicare claims data shows Mark provided 128 services to 99 patients. The services billed most often include telephone medical discussion with physician, 21-30 minutes, injection of substance into lower spine canal using imaging guidance, and anesthesia for other procedure on large bowel using an endoscope. This provider record is associated with NPI 1508818097.
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.
114 WOODLAND ST
Hartford, CT 06105
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
128 services · 99 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of substance into lower spine canal using imaging guidance | Procedure | 62323 |
28 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
25 | As often as other peers in Anesthesiology |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
19 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
13 | Less often than most peers in Anesthesiology |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
32 | Less often than most peers in Anesthesiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
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. Spencer is an anesthesiologist in Hartford, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Spencer is listed at 114 Woodland St, Hartford, CT 06105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (860) 714-6654. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Spencer's National Provider Identifier is 1508818097. 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. Spencer attended Georgetown University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Spencer has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Spencer performs procedures including injection of substance into lower spine canal using imaging guidance; provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for exam of colon using an endoscope, alongside routine visits and testing. 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. Spencer. If this is you, claiming it is free.
Guide.md
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