Physician Profile
Mark Fegley, M.D. practices anesthesiology — critical care in Bethlehem, PA. Mark is a 2015 graduate of Temple University School of Medicine. Mark is also listed as specializing in anesthesiology. According to Medicare claims data, Mark cared for 217 Medicare patients across 268 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, critical care, first 30-74 minutes, and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
801 OSTRUM ST
Bethlehem, PA 18015
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
268 services · 217 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
42 | More often than most peers in Anesthesiology — Critical Care |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
20 | As often as other peers in Anesthesiology — Critical Care |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
19 | As often as other peers in Anesthesiology — Critical Care |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
18 | More often than most peers in Anesthesiology — Critical Care |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
69 | More often than most peers in Anesthesiology — Critical Care |
| Critical care, first 30-74 minutes | Office visit | 99291 |
58 | As often as other peers in Anesthesiology — Critical Care |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
28 | More often than most peers in Anesthesiology — Critical Care |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark Fegley is an anesthesiologist in Bethlehem, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology — Critical Care”.
NPI registry
Mark Fegley is listed at 801 Ostrum St, Bethlehem, PA 18015. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (866) 785-8537. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mark Fegley's National Provider Identifier is 1881075596. 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
Mark Fegley attended Temple University School of Medicine, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Mark Fegley has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mark Fegley provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for other procedure on large bowel 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 Mark Fegley. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.