Dr. Michael Lee Wynn, MD
- Medicare services, 2024
- 172
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 74
- Hospital affiliations
- 1
- Industry payments
- $305
- Practice address
- 795 El Camino Real, Palo Alto, CA 94301
- Practice phone
- Call (650) 324-1832
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center Palo Alto
Surgery Center - Medicare-Certified · Palo Alto, California
Find Dr. Wynn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Lee Wynn is a general surgeon in Palo Alto, California
Dr. Wynn practices at Surgery Center Palo Alto in Palo Alto, California.
Dr. Wynn's NPI, 1285673996, was assigned on June 6, 2006. Dr. Wynn graduated from UC Irvine School of Medicine in 1978. Dr. Wynn holds California license 006398000.
- NPI
- 1285673996NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072691245
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 324-1832
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Lee Wynn practices at Surgery Center Palo Alto in Palo Alto, California
Dr. Wynn's primary practice is Surgery Center Palo Alto, at 795 El Camino Real, Palo Alto, CA 94301. The practice phone is (650) 324-1832.
- Surgery Center Palo Alto795 El Camino Real, Palo Alto, CA 94301Phone(650) 324-1832
Source: Dmand AI Affiliation Data
Dr. Michael Lee Wynn is affiliated with 4 sites of care and 2 medical groups
Dr. Wynn's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dr. Wynn is also affiliated with San Ramon Regional Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Wynn to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Lee Wynn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wynn practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center Palo Alto | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Lee Wynn is one of 2,926 general surgeons in California
Surgery is Dr. Wynn's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Wynn is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Wynn's licenses on file in 2 states: California and Oregon.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Oregon license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, colon removal, gallbladder removal, gastrointestinal bleeding, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Wynn treats.
General surgeons near Dr. Wynn
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael Lee Wynn billed Medicare for 172 services in 2024
CMS data shows 172 Medicare services from Dr. Wynn across 4 procedure codes in 2024, for 133 Medicare patients. Medicare paid $17,464 for them.
Dr. Wynn's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2022024: 15722%
- Surgery
- 2023: 152024: 15No change
Where Dr. Wynn's Medicare services took place, 2024
- In an office15791%
- In a facility159%
Dr. Wynn compared with the California median for general surgeons, 2024
- Dr. Wynn
- California median
- Medicare services
- 172vs 166Close to median
- Medicare patients
- 133vs 12110% above
- Part D claims
- 53vs 3456% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Wynn's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wynn and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Lee Wynn treated 133 Medicare patients in 2024, average age 75
CMS counts 133 Medicare patients who saw Dr. Wynn in 2024. The largest group is 65 to 74, with 61 patients. 72% of them have high cholesterol, and 65% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wynn's median patient age at 64, with 64% women.
Dr. Wynn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wynn's Medicare patients by sex, 2024
- Women7657%
- Men5743%
Chronic conditions among Dr. Wynn's Medicare patients, 2024
- High cholesterol72%
- High blood pressure65%
- Cancer53%
- Arthritis39%
- Osteoporosis23%
- Chronic kidney disease20%
- Ischemic heart disease20%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wynn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women64%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Lee Wynn wrote 74 Medicare Part D claims in 2024
In 2024, Dr. Wynn wrote 74 Medicare Part D claims for 50 patients. 95% of them were for generic drugs. CMS names the drug for 53 of them, across 2 drugs with 11 or more claims each, at $158 in total drug cost. In 2023, CMS named 55 claims across 2 drugs.
Dr. Wynn's Part D claims by kind of drug, 2024
- Generic70 claims95%
- Brand-name and other4 claims5%
Dr. Wynn's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wynn's Part D claims, 2024
- Opioids62%46 of 74 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 552024: 534%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Michael Lee Wynn ranks in the 77th percentile for hernia repair (minimally invasive) in Medicare
Dr. Wynn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of hernia repair (minimally invasive) by Dr. Wynn, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Wynn ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Lee Wynn received $305 in industry payments from 2022 to 2025
CMS Open Payments shows 3 general payments to Dr. Wynn from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. CONMED Corporation paid the most, $173.
General payments to Dr. Wynn by program year, 2022 to 2025
Companies that paid Dr. Wynn the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Lee Wynn has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Wynn, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Wynn
- 2013
- CMS Stage 1 EHR
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Michael Lee Wynn graduated from UC Irvine School of Medicine
Dr. Wynn graduated from UC Irvine School of Medicine in 1978. Dr. Wynn is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Michael Lee Wynn accepts plans from 11 insurance carriers
Dr. Wynn is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +3 more carriersWith a free account
Plan types Dr. Wynn accepts, by number of carriers
- PPO7
- HMO6
- EPO4
- Medicare3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael Lee Wynn's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael Lee Wynn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael Lee Wynn's NPI number?
Dr. Michael Lee Wynn's NPI number is 1285673996. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Lee Wynn?
Dr. Michael Lee Wynn is a general surgeon in Palo Alto, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael Lee Wynn practice?
Dr. Wynn practices at 795 El Camino Real, Palo Alto, CA 94301. Dr. Wynn's primary practice is Surgery Center Palo Alto in Palo Alto, California. Dmand AI also links Dr. Wynn to 2 group practices and clinics and 1 medical group.
What is Dr. Michael Lee Wynn's office phone number?
The practice phone on file for Dr. Wynn is (650) 324-1832.
What is Dr. Michael Lee Wynn's medical license number?
Dr. Wynn holds California license 006398000, one of the licenses on file in 2 states.
Which states has Dr. Michael Lee Wynn been licensed in?
Dmand AI has state licenses on file for Dr. Wynn in California (1979 to 2026) and Oregon (since 1984).
Which hospitals is Dr. Michael Lee Wynn affiliated with?
Dr. Wynn is affiliated with San Ramon Regional Medical Center.
What medical group is Dr. Michael Lee Wynn part of?
Dr. Wynn is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Wynn to 1 more medical group.
Does Dr. Michael Lee Wynn accept Medicare?
Yes. CMS data shows Dr. Wynn billed Medicare for 172 services in 2024, and Dr. Wynn accepts Medicare assignment.
How many Medicare patients does Dr. Michael Lee Wynn see?
CMS counts 133 Medicare patients who saw Dr. Wynn in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Michael Lee Wynn board certified?
Yes. Dr. Wynn is board certified in surgery by the American Board of Surgery.
What services does Dr. Michael Lee Wynn bill to Medicare?
In 2024, Dr. Wynn's most billed Medicare services were office visit, established patient (99212), office visit, new patient (99203) and office visit, established patient (99213).
Where did Dr. Michael Lee Wynn go to medical school?
Dr. Wynn graduated from UC Irvine School of Medicine in 1978.
What drugs does Dr. Michael Lee Wynn prescribe most?
In 2024 Medicare Part D data, Dr. Wynn's most prescribed drugs by claims were Tramadol HCl and Tamoxifen Citrate.
Has Dr. Michael Lee Wynn received payments from drug or device companies?
CMS Open Payments shows $305 in general payments to Dr. Wynn from 2 companies from 2022 to 2025. The largest total came from CONMED Corporation.
How long has Dr. Michael Lee Wynn been practicing?
Dr. Wynn graduated from medical school in 1978, 48 years ago.
What insurance does Dr. Michael Lee Wynn accept?
Dr. Wynn is in network with 11 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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