Active NPI 1992913859 Individual Practitioner Female Practitioner

Dr. Diane Kwan , MD

Surgery • Oakland, CA

✓ Accepts Medicare Assignment Telehealth Available

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. Diane Kwan, MD is a registered Surgery practitioner in Oakland, CA. With approximately 20 years of clinical practice since graduating from Chicago College Of Medicine And Surgery in 2006, Dr. Kwan provides healthcare services at the registered practice location at 365 HAWTHORNE AVE.

Dr. Kwan is affiliated with Epic Care and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, 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

365 Hawthorne Ave
Suite 101

Oakland, CA 946093107

Telephone 5104655523

Fax 5108326061

Associated Practice Facility / Clinic

🏢 Cardiovascular Consultants Medical Group, Inc. Facility NPI 1629013842

Medicare Profile & Education

Medical School

Chicago College Of Medicine And Surgery

Graduation Year

2006

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Oakland, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

20 Yrs -3.6 yrs vs City Avg

City Avg: 23.6 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

62 Specialists

Practicing in Oakland, CA (3346 Statewide)

Telehealth Adoption Rate

12.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

62.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kwan (20 Years) 20 Yrs

Oakland Specialty Average (23.6 Years) 23.6 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	101	101	$557.15	$202.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	98	49	$439.06	$156.08
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	21	$395.00	$136.82
49650 Repair of groin hernia using an endoscope	19	19	$1413.32	$652.67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$562.82	$198.76
47562 Removal of gallbladder using an endoscope	11	11	$2180.09	$720.54

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	94	57	$378.44	$147.93
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$470.21	$194.98
49650 Repair of groin hernia using an endoscope	17	17	$1326.35	$480.18
47562 Removal of gallbladder using an endoscope	15	15	$2164.09	$688.98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	11	$254.28	$134.82
49591 Initial repair of sliding hernia of abdomen, less than 3 cm in length	14	14	$1108.05	$185.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	13	11	$185.46	$89.67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$502.80	$196.56
99443 Telephone medical discussion with physician, 21-30 minutes	12	12	$379.00	$110.66
49592 Initial repair of entrapped hernia of abdomen, less than 3 cm in length	12	12	$1536.00	$491.81

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	101	58	$458.36	$151.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	85	85	$586.43	$193.17
99443 Telephone medical discussion with physician, 21-30 minutes	23	16	$456.99	$123.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	21	$343.82	$114.16
49650 Repair of groin hernia using an endoscope	20	20	$1477.86	$369.30
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	18	18	$166.75	$50.63
49585 Repair of hernia at navel (5 years or older)	16	16	$1531.09	$430.09
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$663.39	$220.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$396.80	$131.95

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	144	82	$455.64	$151.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$585.94	$197.17
99443 Telephone medical discussion with physician, 21-30 minutes	37	26	$457.45	$154.27
47562 Removal of gallbladder using an endoscope	14	14	$2211.52	$609.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	11	$615.80	$201.51
49585 Repair of hernia at navel (5 years or older)	11	11	$1527.25	$302.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$395.30	$133.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	85	50	$518.66	$172.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	33	$387.97	$127.47
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	38	38	$727.38	$235.57
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$578.02	$181.15
99443 Telephone medical discussion with physician, 21-30 minutes	27	19	$137.64	$129.44
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	14	$355.53	$117.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	84	48	$515.10	$163.99
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	71	55	$354.48	$115.50
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	61	61	$723.21	$231.47
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$578.31	$189.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	32	$384.75	$127.35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	26	25	$688.86	$224.87
49650 Repair of groin hernia using an endoscope	15	15	$1455.81	$447.40
49585 Repair of hernia at navel (5 years or older)	12	12	$1512.93	$331.50

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	86	53	$246.99	$80.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	74	74	$382.51	$123.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	26	$383.34	$123.54
99213 Established patient office or other outpatient visit, typically 15 minutes	31	27	$260.64	$86.16
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$688.34	$226.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$575.29	$180.43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	15	$354.48	$116.27
49650 Repair of groin hernia using an endoscope	15	15	$1454.15	$461.59
47562 Removal of gallbladder using an endoscope	14	14	$2195.58	$576.03
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$723.21	$237.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$459.81	$152.28
49585 Repair of hernia at navel (5 years or older)	11	11	$1512.93	$321.25

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	63	33	$225.64	$79.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	43	$333.46	$121.92
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$361.62	$123.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$412.17	$149.80
99213 Established patient office or other outpatient visit, typically 15 minutes	24	20	$234.45	$84.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$478.50	$185.81
49650 Repair of groin hernia using an endoscope	13	13	$1166.52	$300.39
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$638.61	$219.40
49585 Repair of hernia at navel (5 years or older)	13	13	$1227.58	$331.05

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A117525

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License LA PGY1

Hospital & Practice Group Affiliations

Epic Care

3003 Oak Rd, Walnut Creek, CA 945974541

Phone: 9253912221

Practice Associates & Co-Workers

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

17 Associated Practitioners

Aaron Peters , PA-C

Physician Assistant - Surgical

NPI 1053332783

Physician Assistant (Certified)

Dr. Hnoukaj Lyfoung , MD

Surgery

NPI 1053774919

Doctor of Medicine (M.D.)

Nikhilesh Chitibomma

Student in an Organized Health Care Education/Training Program

NPI 1063031896

Dr. Ajay Upadhyay , MD

Surgery

NPI 1104888155

Doctor of Medicine (M.D.)

Dr. Nicholas Gonsalves , MD

Surgery

NPI 1124553987

Doctor of Medicine (M.D.)

Dr. Rupert Horoupian , MD

Surgery

NPI 1184686156

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 February 22, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location February 22, 2012

Registered at 365 HAWTHORNE AVE, SUITE 101, OAKLAND, CA 946093107 (Tel: 5104655523)

📍

Updated Business Mailing Address February 22, 2012

Registered at 365 HAWTHORNE AVE, SUITE 101, OAKLAND, CA 946093107 (Tel: 5104655523)

👤

Provider Name / Credentials Updated February 22, 2012

Recorded as DIANE KWAN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2012

Surgery (License #A117525 in CA)

🟢

Initial NPI Registration & Enumeration May 21, 2007

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: 1992913859

Entity Type:

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

Enumeration Date: May 21, 2007

Last Update: February 22, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

365 Hawthorne Ave, Suite 101

Oakland, CA 946093107

Phone: 5104655523

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.