Active NPI 1376545723 Individual Practitioner Male Practitioner

Dr. William Weiting Tarng , MD

Internal Medicine • Carson, CA

Professional Overview & Biography Verified Profile Summary

Dr. William Tarng, MD is a registered healthcare professional specializing in Internal Medicine in Carson, CA. Practice services are available at 1000 E DOMINGUEZ ST under active NPI credentials.

Frequently performed procedures and clinical services include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least, subsequent nursing facility care with high level of medical decision making, per day, if using time, at least, initial nursing facility visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1000 E Dominguez St
Suite 110

Carson, CA 907463600

Telephone 3103666959

Fax 4247042493

Associated Practice Facility / Clinic

🏢 Christine G. Ferrer Chiropractic, Inc Facility NPI 1154406213

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Carson, CA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 36.4 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

14 Specialists

Practicing in Carson, CA (18502 Statewide)

Telehealth Adoption Rate

21.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	1,177	167	$302.01	$113.62
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	720	167	$349.51	$161.34
99306 Initial nursing facility visit, typically 45 minutes per day	165	150	$349.70	$190.09
99316 Nursing facility discharge management, more than 30 minutes	132	123	$333.45	$136.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	865	148	$349.94	$163.01
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	737	138	$300.81	$113.66
99306 Initial nursing facility visit, typically 45 minutes per day	131	120	$350.00	$192.86
99316 Nursing facility discharge management, more than 30 minutes	104	93	$348.80	$138.87
99315 Nursing facility discharge day management, 30 minutes or less	16	15	$171.88	$86.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	698	96	$349.93	$143.22
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	457	70	$300.77	$97.32
99306 Initial nursing facility visit, typically 45 minutes per day	95	83	$350.00	$175.37
99316 Nursing facility discharge management, more than 30 minutes	61	53	$340.74	$110.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	1,003	123	$300.37	$98.68
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	920	143	$349.62	$146.07
99306 Initial nursing facility visit, typically 45 minutes per day	109	101	$349.54	$179.09
99316 Nursing facility discharge management, more than 30 minutes	72	65	$342.36	$113.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	1,124	138	$299.89	$99.56
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	527	106	$347.87	$147.58
99306 Initial nursing facility visit, typically 45 minutes per day	107	98	$349.53	$181.48
99316 Nursing facility discharge management, more than 30 minutes	102	88	$226.57	$114.78
99315 Nursing facility discharge day management, 30 minutes or less	37	36	$160.00	$79.73
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	27	13	$177.78	$75.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	1,525	184	$300.05	$98.62
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	365	109	$349.45	$145.80
99306 Initial nursing facility visit, typically 45 minutes per day	164	141	$349.70	$178.70
99316 Nursing facility discharge management, more than 30 minutes	121	114	$242.77	$113.33
99315 Nursing facility discharge day management, 30 minutes or less	69	63	$160.00	$78.92
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	24	15	$154.17	$74.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	1,466	199	$299.93	$96.16
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	223	104	$350.00	$142.81
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	221	75	$151.36	$72.89
99306 Initial nursing facility visit, typically 45 minutes per day	137	129	$350.00	$174.36
99316 Nursing facility discharge management, more than 30 minutes	104	94	$224.38	$110.86
99315 Nursing facility discharge day management, 30 minutes or less	59	56	$162.03	$76.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	746	143	$299.40	$98.53
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes	737	159	$349.95	$146.32
99306 Initial nursing facility visit, typically 45 minutes per day	154	133	$347.95	$178.65
99316 Nursing facility discharge management, more than 30 minutes	102	95	$226.47	$113.56
99315 Nursing facility discharge day management, 30 minutes or less	53	49	$160.00	$78.90
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	45	45	$90.00	$59.22
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	33	24	$160.00	$74.46

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A89784

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.

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Evangeline Roxas-Butlig , MD

Pediatrics

NPI 1003877531

Doctor of Medicine (M.D.)

Dr. Arnold Roxas , DPM

Podiatrist

NPI 1487637351

Doctor of Podiatric Medicine

Clarissa Lagman , PA-C

Physician Assistant - Medical

NPI 1912295171

Physician Assistant (Certified)

Dr. Richard Butlig , MD

Internal Medicine

NPI 1912968447

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 21, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location September 21, 2016

Registered at 1000 E DOMINGUEZ ST, SUITE 110, CARSON, CA 907463600 (Tel: 3103666959)

📍

Updated Business Mailing Address September 21, 2016

Registered at 1000 E DOMINGUEZ ST, SUITE 110, CARSON, CA 907463600 (Tel: 3103666959)

👤

Provider Name / Credentials Updated September 21, 2016

Recorded as WILLIAM TARNG, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 21, 2016

Internal Medicine (License #A89784 in CA)

🟢

Initial NPI Registration & Enumeration August 15, 2005

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: 1376545723

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 15, 2005

Last Update: September 21, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1000 E Dominguez St, Suite 110

Carson, CA 907463600

Phone: 3103666959

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.