Physician Profile
Based in Issaquah, WA, Morris B. Chang, M.D. is listed in the NPI registry under sleep medicine (neurology). Morris graduated from University of Kansas School of Med (Kc/Wich/Sal) in 1992. According to Medicare claims data, Morris cared for 617 Medicare patients across 646 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, sleep study in sleep lab (6 years or older), and sleep study in sleep lab with continuous airway pressure (6 years or older).
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.
751 NE BLAKELY DR
Issaquah, WA 98029
22220 Marine View Dr S Ste 200
Des Moines, WA 98198
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
646 services · 617 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
92 | More often than most peers in Sleep Medicine (Neurology) |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
75 | More often than most peers in Sleep Medicine (Neurology) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
219 | More often than most peers in Sleep Medicine (Neurology) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
69 | As often as other peers in Sleep Medicine (Neurology) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
68 | More often than most peers in Sleep Medicine (Neurology) |
| 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 |
50 | More often than most peers in Sleep Medicine (Neurology) |
| Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels | Billing code | G0400 |
28 | |
| 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 |
27 | As often as other peers in Sleep Medicine (Neurology) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Morris B. Chang is a sleep medicine (neurology) in Issaquah, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Morris B. Chang is listed at 751 Ne Blakely Dr, Issaquah, WA 98029. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (206) 386-4744. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Morris B. Chang's National Provider Identifier is 1164420428. 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
Morris B. Chang attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Morris B. Chang has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Morris B. Chang 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 Morris B. Chang. 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.