Active NPI 1285673996 Individual Practitioner Male Practitioner

Dr. Michael Lee Wynn , MD

Surgery • San Ramon, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Wynn, MD is a certified Surgery practicing in San Ramon, CA. With approximately 48 years of clinical experience since graduating from Irvine California College Of Medicine in 1978, Dr. Wynn delivers high-quality medical care to the local community at 5601 NORRIS CANYON RD.

Dr. Wynn is affiliated with Sutter Bay Medical Foundation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, repair of groin hernia using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5601 Norris Canyon Rd
Ste 100

San Ramon, CA 945835407

Telephone 9252771055

Fax 9252771915

Associated Practice Facility / Clinic

🏢 Tri-Valley Orthopedic And Sports Medical Group Inc Facility NPI 1801883731

Medicare Profile & Education

Medical School

Irvine California College Of Medicine

Graduation Year

1978

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in San Ramon, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

48 Yrs +17.5 yrs vs City Avg

City Avg: 30.5 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

6 Specialists

Practicing in San Ramon, CA (3346 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

69.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Wynn (48 Years) 48 Yrs

San Ramon Specialty Average (30.5 Years) 30.5 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
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	91	59	$162.00	$69.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$380.00	$133.79
99213 Established patient office or other outpatient visit, typically 15 minutes	19	15	$257.00	$110.11
49650 Repair of groin hernia using an endoscope	15	15	$2006.40	$540.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	108	75	$154.00	$69.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	58	58	$365.00	$134.18
99213 Established patient office or other outpatient visit, typically 15 minutes	19	19	$247.00	$109.01
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$254.00	$88.59
49650 Repair of groin hernia using an endoscope	15	15	$1910.70	$544.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	114	79	$148.00	$68.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$354.00	$132.37
99213 Established patient office or other outpatient visit, typically 15 minutes	26	24	$240.00	$108.08
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$247.00	$87.36
49650 Repair of groin hernia using an endoscope	15	15	$1717.40	$510.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$538.00	$195.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	138	85	$144.00	$68.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$344.00	$133.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$522.00	$197.55
49650 Repair of groin hernia using an endoscope	17	17	$1759.76	$524.36
99213 Established patient office or other outpatient visit, typically 15 minutes	12	11	$233.00	$109.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	102	72	$137.00	$55.91
99202 New patient office or other outpatient visit, typically 20 minutes	69	69	$230.00	$91.27
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	22	11	$64.00	$29.40
49650 Repair of groin hernia using an endoscope	22	22	$1795.18	$554.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	97	80	$137.00	$54.30
99202 New patient office or other outpatient visit, typically 20 minutes	95	95	$230.00	$90.42
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	46	29	$64.00	$28.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$330.00	$126.56
49650 Repair of groin hernia using an endoscope	17	17	$1659.41	$493.55
38792 Injection of radioactive material for x-ray identification of lymph node	15	15	$85.50	$18.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	97	74	$133.29	$50.88
99202 New patient office or other outpatient visit, typically 20 minutes	58	58	$225.00	$86.12
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$188.13	$82.50
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$264.43	$121.07
49650 Repair of groin hernia using an endoscope	21	21	$1593.07	$482.00
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	17	14	$63.00	$25.94
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	14	14	$4668.68	$320.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	168	124	$175.00	$79.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	82	82	$200.00	$115.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$275.00	$173.68
49650 Repair of groin hernia using an endoscope	17	17	$1482.35	$439.07

Medical Specialties & State Licenses

CMS Verified: 2020-06-03

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA 006398000

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.

Hospital & Practice Group Affiliations

Sutter Bay Medical Foundation

4000 Civic Ctr Dr, San Rafael, CA 949035233

Phone: 4154797244

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Jing Zhou , MD

Surgery

NPI 1760703078

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events

📍

Updated Business Mailing Address June 03, 2020

Registered at 325 DISTEL CIR, LOS ALTOS, CA 940221408 (Tel: 9252771055)

✅

NPI Profile Active February 25, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location February 25, 2011

Registered at 5601 NORRIS CANYON RD, STE 100, SAN RAMON, CA 945835407 (Tel: 9252771055)

📍

Updated Business Mailing Address February 25, 2011

Registered at 5601 NORRIS CANYON RD, STE 100, SAN RAMON, CA 945835407 (Tel: 9252771055)

👤

Provider Name / Credentials Updated February 25, 2011

Recorded as MICHAEL WYNN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 25, 2011

Surgery (License #006398000 in CA)

🟢

Initial NPI Registration & Enumeration June 06, 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: 1285673996

Entity Type:

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

Enumeration Date: June 06, 2006

Last Update: June 03, 2020

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

325 Distel Cir

Los Altos, CA 940221408

Phone: 9252771055

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.