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DR. MICHAEL LEE WYNN MD
NPI 1285673996
Surgery in San Ramon, CA

Active since June 06, 2006PECOS EnrolledAccepts Medicare Assignment
5601 NORRIS CANYON RD, STE 100, SAN RAMON, CA 94583(925) 277-1055(925) 277-1915 Get Directions Write a Review

NPPES record last updated: June 3, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Michael Lee Wynn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL LEE WYNN MD (NPI 1285673996) is an individual surgery provider in San Ramon, California, licensed in California (006398000) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Irvine California College Of Medicine (1978).

NPPES Registry Identity

NPI1285673996
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. MICHAEL LEE WYNNCredential: MD
Location Address5601 NORRIS CANYON RD, STE 100San Ramon, CA 94583-5407
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (925) 277-1055 · Fax (925) 277-1915
Phone(925) 277-1055
Fax(925) 277-1915
Sole ProprietorYes
Medical School CMSIrvine California College Of MedicineGraduated 1978
Enumeration DateJune 6, 2006
Last NPPES UpdateJune 3, 2020
NPPES CertifiedJune 3, 2020
✔ NPI 1285673996 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · 006398000
Definition
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.
5601 NORRIS CANYON RD, San Ramon, CA 94583
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Lee Wynn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072691245
PECOS Enrollment IDI20080429000443
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
91 services59 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
47 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
19 services15 patients
Repair of groin hernia using an endoscope 49650
This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94583 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SADAF SAMIZAY M.D.
Obstetrics & Gynecology
5601 NORRIS CANYON RD
SAN RAMON, CA 94583
Contra Costa County (925) 587-4808
DR. FRANK CHI BING HSUEH M.D.
Internal Medicine
5601 NORRIS CANYON RD, STE 340
SAN RAMON, CA 94583
Contra Costa County (925) 786-5322
AENOR JANIEL SAWYER MD
Orthopaedic Surgery
5601 NORRIS CANYON RD, SUITE 100
SAN RAMON, CA 94583
Contra Costa County (925) 866-2660
INFECTIOUS DISEASE MEDICAL GROUP
Internal Medicine (Infectious Disease)
5601 NORRIS CANYON RD, SUITE 210
SAN RAMON, CA 94583
Contra Costa County (925) 867-3829
MRS. SHARON GERTZ ROUILLARD N.P.
Nurse Practitioner
5601 NORRIS CANYON RD, STE 140
SAN RAMON, CA 94583
Contra Costa County (925) 830-0644
TSULING CHANG M.D.
Dermatology
5601 NORRIS CANYON RD
SAN RAMON, CA 94583
Contra Costa County (925) 866-6680
PERRY SOLOMON MD
Anesthesiology
5601 NORRIS CANYON RD, SUITE 240
SAN RAMON, CA 94583
Contra Costa County (925) 975-3353
DR. FREDERICK ANDERSON ROWE III M.D.
Internal Medicine (Gastroenterology)
5601 NORRIS CANYON RD, SUITE # 240
SAN RAMON, CA 94583
Contra Costa County (925) 901-1303

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Wynn's NPI number?

The NPI number for Michael Wynn is 1285673996. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Michael Wynn located?

Michael Wynn practices at 5601 Norris Canyon Rd Ste 100, San Ramon, CA 94583. The listed phone number is (925) 277-1055.

What is Michael Wynn's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Michael Wynn enrolled in Medicare?

Yes. Michael Wynn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Michael Wynn was last updated on June 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.