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Active NPI 1639277130 Individual Practitioner Male Practitioner

Dr. Young J Ko , MD

Internal Medicine • Lancaster, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Young Ko, MD is a certified Internal Medicine practicing in Lancaster, CA. With approximately 53 years of clinical experience since completing medical education in 1973, Dr. Ko delivers high-quality medical care to the local community at 44215 15TH ST WEST.

Dr. Ko is affiliated with Av Critical Care Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, injection, triamcinolone acetonide, not otherwise specified, 10 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

44215 15th St West
Suite 303

Lancaster, CA 93534

Telephone 6619450723
Fax 6619495740
Associated Practice Facility / Clinic
🏢 Nitin A Shah Md Inc Facility NPI 1689987166

Medicare Profile & Education

Medical School

Other

Graduation Year

1973

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lancaster, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
53 Yrs +25.8 yrs vs City Avg
City Avg: 27.2 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
60 Specialists

Practicing in Lancaster, CA (18502 Statewide)

Telehealth Adoption Rate
20.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
54.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ko (53 Years) 53 Yrs
Lancaster Specialty Average (27.2 Years) 27.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
1,546 410 $150.00 $122.41
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
1,313 140 $150.00 $80.01
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
357 196 $210.00 $189.94
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
244 25 $10.00 $0.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
149 137 $250.00 $175.06
94640 Inhalation treatment for airway obstruction or sputum production
123 122 $75.00 $9.07
94200 Test to measure largest amount of air breathed in an out
123 122 $35.00 $16.74
94726 Determination of lung volumes using plethysmography
122 121 $130.00 $62.83
94016 Physician interpretation and report of measurement and graphic recording of amount and speed of breathed air over 30-day period
121 120 $70.00 $24.80
94729 Test to examine how well the lungs exchange gases
119 118 $85.00 $64.06
99291 Critical care, first 30-74 minutes
106 83 $375.94 $216.75
82803 Blood gases measurement
100 100 $75.00 $25.55
36600 Artery puncture collection of blood sample
100 99 $45.00 $29.64
82374 Carbon dioxide (bicarbonate) level
99 99 $20.00 $4.78
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
87 87 $300.00 $232.13
G0008 Administration of influenza virus vaccine
76 76 $30.00 $29.40
96374 Injection of drug or substance into a vein for therapy, diagnosis, or prevention
72 28 $30.00 $28.17
90662 Influenza vaccine split virus, preservative free
72 72 $50.00 $49.00
93000 Routine ekg using at least 12 leads including interpretation and report
27 26 $75.00 $15.37
82948 Blood glucose (sugar) measurement using reagent strip
27 15 $20.00 $4.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
26 26 $225.00 $174.72
31624 Irrigation and suction of lung airways to obtain cells using an endoscope
24 21 $497.92 $6.75
31645 Aspiration of lung secretions from lung airways using an endoscope
20 18 $700.00 $101.11
83036 Hemoglobin A1C level
18 13 $65.00 $9.52

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A39814

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Internal Medicine - Critical Care Medicine

NUCC Taxonomy Code: 207RC0200X

State License CA A39814

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Internal Medicine - Pulmonary Disease

NUCC Taxonomy Code: 207RP1001X

State License CA A39814

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A398140 (CA)

Hospital & Practice Group Affiliations

Av Critical Care Inc

1600 W Ave J, Lancaster, CA 935342814

Phone: 6619488000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Kalpana Ravikumar , MD

Physical Medicine & Rehabilitation

NPI 1821008111

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 11, 2025

Internal Medicine (License #A39814 in CA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 44215 15TH ST WEST, SUITE 303, LANCASTER, CA 93534 (Tel: 6619450723)

📍
Updated Business Mailing Address July 08, 2007

Registered at 44215 15TH ST WEST, SUITE 303, LANCASTER, CA 93534 (Tel: 6619450723)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as YOUNG KO, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #A39814 in CA)

🟢
Initial NPI Registration & Enumeration September 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1639277130
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 20, 2006
Last Update: September 11, 2025
Sole Proprietor: No

Mailing Address

44215 15th St West, Suite 303

Lancaster, CA 93534

Phone: 6619450723

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.