Physician Profile
Gretchen K. Johnson, M.D.
Unclaimed ProfileAbout Dr. Johnson
Based in Seattle, WA, Gretchen K. Johnson, M.D. is listed in the NPI registry under emergency medicine. Gretchen graduated from Loma Linda University School of Medicine in 2004. According to Medicare claims data, Gretchen cared for 133 Medicare patients across 135 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and critical care, first 30-74 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (206) 520-5000
- Email not available
Practice Locations
1550 N 115TH ST
Seattle, WA 98133
Conditions Commonly Evaluated or Treated
Within Emergency 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.
Conditions
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
Brain & Nerves
- Delirium
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Stroke
- Transient ischemic attack
Breathing
Digestion & Stomach
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
Urinary & Bladder
Urinary & Kidney
Women's Health
Procedures & services
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
Digestive Care
Ear, Nose & Throat
Eye & ENT
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
Minor Trauma
Orthopedic Procedures
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
Procedures Most Often Billed to Medicare
135 services · 133 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
83 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
37 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other emergency physicians at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other emergency physicians in Seattle 6
Same specialty, same city.
Trained at Loma Linda University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2004 at Loma Linda University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Gretchen K. Johnson?
Gretchen K. Johnson is an emergency physician in Seattle, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
What is Gretchen K. Johnson's address?
Gretchen K. Johnson is listed at 1550 N 115Th St, Seattle, WA 98133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gretchen K. Johnson?
The number on file is (206) 520-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gretchen K. Johnson's NPI number?
Gretchen K. Johnson's National Provider Identifier is 1407936362. 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
Where did Gretchen K. Johnson train?
Gretchen K. Johnson attended Loma Linda University School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
How long has Gretchen K. Johnson been practicing?
Gretchen K. Johnson has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gretchen K. Johnson perform?
According to Medicare billing data, Gretchen K. Johnson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gretchen K. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gretchen K. Johnson. 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.