Active NPI 1396035564 Individual Practitioner Female Practitioner

Dr. Yang Li , MD

Internal Medicine • Fullerton, CA

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Yang Li, MD is a registered Internal Medicine practitioner in Fullerton, CA. With approximately 15 years of clinical practice since completing medical education in 2011, Dr. Li provides healthcare services at the registered practice location at 101 E VALENCIA MESA DR.

Dr. Li is affiliated with Providence Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, initial hospital care with straightforward or low-level medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

101 E Valencia Mesa Dr

Fullerton, CA 92835

Telephone 7149923257

Associated Practice Facility / Clinic

🏢 Fullerton Anesthesia Associates, A Medical Group, Inc. Facility NPI 1144278433

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Fullerton, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -9.6 yrs vs City Avg

City Avg: 24.6 Yrs

State Avg: 26.6 Yrs

Regional Practice Density

45 Specialists

Practicing in Fullerton, CA (18502 Statewide)

Telehealth Adoption Rate

26.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Li (15 Years) 15 Yrs

Fullerton Specialty Average (24.6 Years) 24.6 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	152	149	$493.00	$178.71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	132	132	$371.00	$133.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	53	36	$224.00	$81.37
99239 Hospital discharge day management, more than 30 minutes	16	16	$329.00	$119.79
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	13	13	$591.00	$211.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	235	228	$514.00	$182.45
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	91	43	$266.00	$125.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	55	38	$185.05	$83.22
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$350.00	$136.68
99239 Hospital discharge day management, more than 30 minutes	26	26	$272.62	$121.30
99238 Hospital discharge day management, 30 minutes or less	21	21	$188.00	$85.82
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes	18	18	$548.00	$219.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	283	111	$185.00	$76.67
99220 Hospital observation care, typically 70 minutes	111	108	$464.00	$191.51
99238 Hospital discharge day management, 30 minutes or less	38	38	$188.00	$77.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	35	35	$514.00	$211.74
99239 Hospital discharge day management, more than 30 minutes	35	35	$276.00	$114.24
99217 Hospital observation care on day of discharge	23	23	$187.00	$77.45
99225 Subsequent observation care, typically 25 minutes per day	20	15	$184.00	$76.04
99231 Follow-up hospital inpatient care per day, typically 15 minutes	17	15	$100.00	$41.18
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$259.00	$107.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99220 Hospital observation care, typically 70 minutes	78	77	$336.00	$196.60
99218 Hospital observation care typically 30 minutes	30	30	$164.00	$106.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$337.00	$216.84
99221 Initial hospital inpatient care per day, typically 30 minutes	22	22	$159.00	$108.74
99219 Hospital observation care, typically 50 minutes	12	12	$265.00	$145.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99218 Hospital observation care typically 30 minutes	44	44	$164.00	$109.25
99221 Initial hospital inpatient care per day, typically 30 minutes	39	38	$159.00	$111.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$337.00	$221.66
99220 Hospital observation care, typically 70 minutes	31	30	$336.00	$201.64
99219 Hospital observation care, typically 50 minutes	23	23	$265.00	$148.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$258.00	$150.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	68	68	$337.00	$214.68
99220 Hospital observation care, typically 70 minutes	67	67	$336.00	$199.93
99219 Hospital observation care, typically 50 minutes	62	61	$265.00	$146.32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	36	$258.00	$147.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99220 Hospital observation care, typically 70 minutes	81	80	$336.00	$198.93
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	61	61	$337.00	$216.45
99219 Hospital observation care, typically 50 minutes	46	46	$266.54	$145.23
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	32	$258.00	$145.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	123	39	$169.00	$111.72
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	104	57	$126.00	$76.28
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	92	90	$337.00	$215.25
99239 Hospital discharge day management, more than 30 minutes	55	53	$214.00	$115.01
99220 Hospital observation care, typically 70 minutes	50	49	$336.00	$199.02
99219 Hospital observation care, typically 50 minutes	29	29	$265.00	$145.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	18	$258.00	$140.61
99217 Hospital observation care on day of discharge	14	14	$153.00	$78.77

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A124427

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Hospital & Practice Group Affiliations

Providence Medical Foundation

1950 Sunny Crest Dr, Fullerton, CA 928353641

Phone: 7149925350

Secondary Practice Locations

4150 V St # 1110

Sacramento, CA 958171460

Phone: 9167342812

101 E Valencia Mesa Dr

Fullerton, CA 92835

Phone: 7149923257

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Pius Kim , MD

Internal Medicine

NPI 1003863317

Doctor of Medicine (M.D.)

Dr. John Maccarthy , MD

Anesthesiology

NPI 1013969591

Doctor of Medicine (M.D.)

Gloria Franklin , NP MSN

Nurse Practitioner - Family

NPI 1043301542

NPMSN

Dr. Martin Breen , PharmD

Pharmacist - Pharmacotherapy

NPI 1043603491

Doctor of Pharmacy (Pharm.D.)

Nelson Aguinaga , RN, FNP

Nurse Practitioner - Family

NPI 1043909609

Registered Nurse, Family Nurse Practitioner

Dr. Jonathon Ahn , MD

Anesthesiology

NPI 1053803882

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Practice Location September 13, 2018

Registered at 101 E VALENCIA MESA DR, FULLERTON, CA 92835 (Tel: 7149923257)

📍

Updated Business Mailing Address September 13, 2018

Registered at 101 E VALENCIA MESA DR, FULLERTON, CA 928353809

📍

Updated Practice Location July 17, 2018

Registered at 101 E VALENCIA MESA DR, FULLERTON, CA 928353809 (Tel: 7149923257)

📍

Updated Business Mailing Address July 17, 2018

Registered at 200 W CENTER STREET PROMENADE STE 300, ANAHEIM, CA 928053960 (Tel: 7144494841)

✅

NPI Profile Active April 08, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location April 08, 2011

Registered at 4150 V ST # 1110, SACRAMENTO, CA 958171460 (Tel: 9167342812)

📍

Updated Business Mailing Address April 08, 2011

Registered at 4150 V ST # 1110, SACRAMENTO, CA 958171460

👤

Provider Name / Credentials Updated April 08, 2011

Recorded as YANG LI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 08, 2011

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration April 08, 2011

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: 1396035564

Entity Type:

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

Enumeration Date: April 08, 2011

Last Update: September 13, 2018

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

101 E Valencia Mesa Dr

Fullerton, CA 928353809

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.