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Edit this profileAt a glance
- 44215 15Th St West, Suite 303, Lancaster, CA 93534
About Dr. Ko
Based in Lancaster, CA, Young J. Ko, MD is listed in the NPI registry under internal medicine. Young is also listed as specializing in critical care medicine and pulmonary disease. According to Medicare claims data, Young cared for 2,274 Medicare patients across 5,071 services. 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, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. NPI 1639277130 identifies this record in the national registry.
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
- (661) 945-0723
- Email not available
Practice Locations
44215 15TH ST WEST SUITE 303
Lancaster, CA 93534
Conditions Commonly Evaluated or Treated
Within Internal 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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
5,071 services · 2,274 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Artery puncture collection of blood sample | Procedure | 36600 |
100 | Too few peers to compare |
| Irrigation and suction of lung airways to obtain cells using an endoscope | Procedure | 31624 |
24 | As often as other peers in Internal Medicine |
| Aspiration of initial secretion of lung airway using an endoscope | Procedure | 31645 |
20 | As often as other peers in Internal Medicine |
| Inhalation treatment for airway obstruction or sputum production | Treatment | 94640 |
123 | More than most peers in Internal Medicine |
| Test to measure largest amount of air breathed in an out | Treatment | 94200 |
123 | More often than most peers in Internal Medicine |
| Test to determine lung volumes using sensors | Treatment | 94726 |
122 | More often than most peers in Internal Medicine |
| Test to measure expiratory airflow and volume initiated by patient and evaluated by provider | Treatment | 94016 |
121 | Too few peers to compare |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
119 | More often than most peers in Internal Medicine |
| Injection of drug or substance into vein | Treatment | 96374 |
72 | More often than most peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
72 | More often than most peers in Internal 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 internists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 23 related providers in 4 groups
Other internists in Lancaster 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1973 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Artery puncture collection of blood sample 1
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Ko's specialty?
Dr. Ko is an internist in Lancaster, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Dr. Ko?
Dr. Ko is listed at 44215 15Th St West Suite 303, Lancaster, CA 93534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ko?
The number on file is (661) 945-0723. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Ko's NPI number?
Dr. Ko's National Provider Identifier is 1639277130. 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
What is Dr. Ko's medical education?
Dr. Ko attended Other, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ko been practicing?
Dr. Ko has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ko known for?
According to Medicare billing data, Dr. Ko performs procedures including artery puncture collection of blood sample, irrigation and suction of lung airways to obtain cells using an endoscope and aspiration of initial secretion of lung airway using an endoscope; provides treatments such as inhalation treatment for airway obstruction or sputum production and test to measure largest amount of air breathed in an out, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ko confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ko. If this is you, claiming it is free.
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