Physician Profile
Based in Thousand Oaks, CA, Ronald A. Popper, M.D. F.C.C.P. is listed in the NPI registry under sleep medicine. Ronald graduated from University of Michigan Medical School in 1979. Ronald is also listed as specializing in pulmonary disease. Medicare claims data shows Ronald provided 1,317 services to 965 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
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.
317 S MOORPARK RD
Thousand Oaks, CA 91361
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
1,317 services · 965 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
96 | More often than most peers in Sleep Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
77 | More often than most peers in Sleep Medicine |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
35 | As often as other 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 |
552 | More than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
220 | More than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
205 | More often than most peers in Sleep Medicine |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
132 | 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.
Ronald A. Popper is a sleep medicine in Thousand Oaks, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Ronald A. Popper is listed at 317 S Moorpark Rd, Thousand Oaks, CA 91361. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 557-9930. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ronald A. Popper's National Provider Identifier is 1336162957. 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
Ronald A. Popper attended University of Michigan Medical School, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
Ronald A. Popper has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ronald A. Popper provides treatments such as sleep study in sleep lab and sleep study in sleep lab with continuous airway pressure, 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 Ronald A. Popper. 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.