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Active NPI 1669491858 Individual Practitioner Male Practitioner

Dr. Samuel Ernest William Johnsen , MD

Internal Medicine • Lahaina, HI

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Samuel Johnsen, MD is a certified Internal Medicine practicing in Lahaina, HI. With approximately 34 years of clinical experience since completing medical education in 1992, Dr. Johnsen delivers high-quality medical care to the local community at 180 DICKENSON ST STE 103.

Dr. Johnsen 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, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, routine ekg using at least 12 leads including interpretation and report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

180 Dickenson St Ste 103

Lahaina, HI 967611215

Telephone 8082145985
Fax 8082146766
Associated Practice Facility / Clinic
🏢 Laulea Health Center Llc Facility NPI 1982105052

Medicare Profile & Education

Medical School

Other

Graduation Year

1992

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lahaina, HI

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
34 Yrs -8.0 yrs vs City Avg
City Avg: 42.0 Yrs
State Avg: 27.0 Yrs
Regional Practice Density
3 Specialists

Practicing in Lahaina, HI (935 Statewide)

Telehealth Adoption Rate
33.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
52.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Johnsen (34 Years) 34 Yrs
Lahaina Specialty Average (42.0 Years) 42.0 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
99213 Established patient office or other outpatient visit, typically 15 minutes
298 119 $200.00 $94.36
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
242 125 $35.00 $16.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
225 140 $279.94 $132.73
93000 Routine ekg using at least 12 leads including interpretation and report
17 12 $35.00 $14.94
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention
15 11 $35.00 $15.13
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)
13 13 $85.00 $40.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
12 12 $240.00 $115.28

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License HI MD12422

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
824532282 (HI)
Commercial Insurance / Payer ID Uha
824532282 (HI)
Commercial Insurance / Payer ID Hmaa
824532282 (HI)
Commercial Insurance / Payer ID Hmsa
00C0241160 (HI)
Commercial Insurance / Payer ID Hma
824532282 (HI)

Practice Associates & Co-Workers

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

1 Associated Practitioners
NPI 1457494445

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Practice Location October 02, 2018

Registered at 180 DICKENSON ST STE 103, LAHAINA, HI 967611215 (Tel: 8082145985)

📍
Updated Business Mailing Address October 02, 2018

Registered at 180 DICKENSON ST STE 103, LAHAINA, HI 967611215 (Tel: 8082145985)

NPI Profile Active April 07, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location April 07, 2008

Registered at 2180 MAIN ST, WAILUKU, HI 967931666 (Tel: 8082426464)

📍
Updated Business Mailing Address April 07, 2008

Registered at 2180 MAIN ST, WAILUKU, HI 967931666 (Tel: 8082426464)

👤
Provider Name / Credentials Updated April 07, 2008

Recorded as SAMUEL JOHNSEN, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 07, 2008

Internal Medicine (License #MD12422 in HI)

🟢
Initial NPI Registration & Enumeration July 19, 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: 1669491858
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: July 19, 2006
Last Update: October 02, 2018
Sole Proprietor: No

Mailing Address

180 Dickenson St Ste 103

Lahaina, HI 967611215

Phone: 8082145985

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.