Physician Profile
Based in Mission Viejo, CA, George L. Schiffman, M.D. is listed in the NPI registry under sleep medicine. George graduated from Rush Medical College of Rush University in 1982. George is also listed as specializing in pulmonary disease and critical care medicine. According to Medicare claims data, George cared for 579 Medicare patients across 764 services. The services billed most often include critical care, first 30-74 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes.
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.
26800 CROWN VALLEY PKWY STE 205
Mission Viejo, CA 92691
Within Sleep Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breathing disruption
Circadian rhythm
Daytime alertness
Excessive sleepiness
General sleep
General symptoms
Hormonal sleep
Insomnia & anxiety
Movement disorders
Neurological sleep
Parasomnia
Parasomnias
Pediatric sleep
Sleep breathing
Sleep disruption
Sleep movement
Sleep quality
Sleep timing
Most searched procedures
Behavioral therapy
Circadian therapy
Consultation
CPAP & positive airway pressure
Device management
Devices
Diagnostic testing
Diagnostics
Evaluations
Lifestyle & devices
Medical management
Oral appliances
Respiratory care
Snoring & airway
Surgery
Surgical & implants
Therapy
764 services · 579 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
48 | More often than most peers in Sleep Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
33 | More often than most peers in Sleep Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
29 | Less often than most peers in Sleep Medicine |
| Test to determine lung volumes using sensors | Treatment | 94726 |
29 | As often as other peers in Sleep Medicine |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
22 | Less often than most peers in Sleep Medicine |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
11 | Less often than most peers in Sleep Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
151 | More often than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
111 | As often as other peers in Sleep Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
75 | As often as other peers in Sleep Medicine |
| Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | Billing code | G0399 |
71 | More than most peers in Sleep Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
George L. Schiffman is a sleep medicine in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
George L. Schiffman is listed at 26800 Crown Valley Pkwy Ste 205, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 364-3330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
George L. Schiffman's National Provider Identifier is 1104803188. 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
George L. Schiffman attended Rush Medical College of Rush University, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
George L. Schiffman has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, George L. Schiffman provides treatments such as sleep study in sleep lab with continuous airway pressure and test to examine how well the lungs exchange gases, 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 George L. Schiffman. 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.