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- 1798 N Garey Ave, Pomona, CA 91767
About Dr. Janssen
Matthew U. Janssen, M.D.. is a healthcare provider in Pomona, CA specializing in hospice & palliative medicine. Matthew trained at University of California, Geffen School of Medicine, graduating in 2002. Matthew is also listed as specializing in emergency medicine. Medicare claims data shows Matthew provided 934 services to 633 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, advance care planning, first 30 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. This provider record is associated with NPI 1497857023.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (909) 865-9600
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1798 N GAREY AVE
Pomona, CA 91767
Conditions Commonly Evaluated or Treated
Within Hospice and Palliative 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
Cancer Pain
- Bone Pain From Cancer
Digestive & Nutrition
- Hiccups That Will Not Stop
- Severe Nausea In Advanced Illness
End of Life Symptoms
- Rattling Breathing
- Terminal Agitation
Mental Health
- Severe Illness Anxiety
Neurological
- Advanced Dementia
- Advanced Huntington's Disease
- Advanced Multiple Sclerosis
- Advanced Parkinson's Disease
- Muscle Twitches And Spasms
- Severe Stroke Complications
- Tumor Pressing On Spinal Cord
- Amyotrophic lateral sclerosis
- Unresponsiveness
Nutrition & Digestion
- Bowel Obstruction In Cancer
- Cancer Treatment Side Effects and Nutrition
- Constipation From Pain Medicine
- Severe Weight Loss And Wasting
- Swallowing difficulties
Pain & Symptoms
- Severe Cancer Pain
- Ascites
- Cancer-related fatigue
- Fluid around the lungs
- Lymphedema
- Shortness of breath
Skin & Wound
- Cancer Wounds
Skin Conditions
- Severe Itching From Organ Failure
Urinary & Bowel
- Incontinence At End Of Life
Cancer Care
- Cancer That Has Spread
Chronic Illness
- Cirrhosis
- Congestive heart failure
- COPD
- Kidney failure
Fluid & Swelling
Lung Conditions
Mouth & Throat
- Dry mouth
- Mouth Sores From Chemo
Nerve & Pain
- Nerve Pain From Chemo
- Phantom limb pain
Sleep & Mental Health
- Waking Up Too Early
Wound Care
Procedures & services
Breathing Support
- Home Oxygen Setup
- Mucus And Secretion Clearing
Cancer care
- Cancer symptom support
Care Planning
- Advance Care Planning
- DNR Orders Discussion
- Medical Power Of Attorney Setup
- POLST Or DNR Consultation
- Stopping Tube Feeding Discussion
Catheter & Line Care
- Bladder Catheter Placement and Care
- Home Drainage Catheter Care
Consultations
- Comfort care transition
Counseling & Support
- Spiritual Care And Chaplain Visits
- Grief And Loss Counseling
Elder care
- Caregiver training and support
End of Life Care
- Palliative Sedation
- Removing Life Support
- Stopping Dialysis Support
Hospice Care
- Comfort Care
- Continuous Crisis Hospice Care
- In-Home Hospice Care
- Inpatient Hospice Care
Hospice Services
- Hospice Care Evaluation
Medication Management
- Hospice Emergency Comfort Kit
- Subcutaneous Butterfly Line Placement
- Deprescribing consultation
- Post-Op Nausea Prevention and Treatment
- Tapering Off Psychiatric Medication
Pain
- Pain relief planning
Personal Care
- Hospice Bathing And Personal Care
- Mouth Care Swabs And Oral Hygiene
Rehabilitation & Mobility
- Palliative Physical Therapy
Specialized Care
- Pediatric Palliative Care
Support Services
- Hospice Volunteer Companion Visits
- Hospital Bed And Equipment Setup At Home
- Respite Care For Families
- Family therapy
Wound Care
- Bedsore Treatment And Dressings
- Cancer Wound Odor And Dressing Care
Fluid Drainage
Pain Management
- Celiac plexus block
- Pain pump implant
- Palliative radiation for bone pain
- Patient-Controlled Pain Pump
- Rib nerve block
Procedures Most Often Billed to Medicare
934 services · 633 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
350 | More than most peers in Hospice & Palliative Medicine |
| Advance care planning, first 30 minutes | Office visit | 99497 |
201 | More than most peers in Hospice & Palliative Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
199 | More than most peers in Hospice & Palliative Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
184 | More often than most peers in Hospice & Palliative Medicine |
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 hospice & palliative medicines at this location 1
Same specialty, same street address — most likely the same department or group.
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 — 16 related providers in 2 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Matthew U. Janssen specialize in?
Matthew U. Janssen is a hospice & palliative medicine in Pomona, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Matthew U. Janssen located?
Matthew U. Janssen is listed at 1798 N Garey Ave, Pomona, CA 91767. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Matthew U. Janssen's phone number?
The number on file is (909) 865-9600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Matthew U. Janssen?
Matthew U. Janssen's National Provider Identifier is 1497857023. 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 Matthew U. Janssen train?
Matthew U. Janssen attended University of California, Geffen School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Matthew U. Janssen have?
Matthew U. Janssen has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Matthew U. Janssen do most often?
According to Medicare billing data, Matthew U. Janssen 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
Is Matthew U. Janssen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Matthew U. Janssen. If this is you, claiming it is free.
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