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Edit this profileRyan J. Longfellow, MD practices anesthesiology in Madison, WI. Ryan is a 2014 graduate of Indiana University School of Medicine. Ryan is also listed as specializing in anesthesiology — pain medicine. Medicare claims data shows Ryan provided 87 services to 86 patients. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1356768683.
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.
600 HIGHLAND AVE
Madison, WI 53792
10525 W 124th Ave
Cedar Lake, IN 46303
5165 McCarty Ln
Lafayette, IN 47905
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
87 services · 86 patients · 4 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 |
24 | As often as other peers in Anesthesiology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
32 | As often as other peers in Anesthesiology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
18 | Less often than most peers in Anesthesiology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
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.
Dr. Longfellow is an anesthesiologist in Madison, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Longfellow is listed at 600 Highland Ave, Madison, WI 53792. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (608) 263-8100. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Longfellow's National Provider Identifier is 1356768683. 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. Longfellow attended Indiana University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Longfellow has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Longfellow provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small 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 Dr. Longfellow. If this is you, claiming it is free.
Guide.md
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