Michael D. Lewis, PA-C
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 134
- MIPS score, 2024
- 93
- Hospital affiliations
- 2
- Industry payments
- $18
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Lewis' 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.
Michael D. Lewis is a physician assistant in Orange, California
Michael Lewis practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Michael Lewis' NPI, 1942577051, was assigned on November 18, 2011. Michael Lewis holds California license PA21778.
- NPI
- 1942577051NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537306246
- NPI enumeration date
- November 18, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael D. Lewis practices at UCI Health - Orange in Orange, California
Michael Lewis' primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Michael D. Lewis is affiliated with 2 sites of care and 4 medical groups
Michael Lewis' primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Michael Lewis is also affiliated with Cedars-Sinai Medical Center. The medical group on file is Vituity. Dmand AI also links Michael Lewis to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael D. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Lewis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael D. Lewis is one of 11,482 physician assistants in California
Physician assistant is Michael Lewis' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Lewis is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Michael Lewis
Counts of physician assistants 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
Michael D. Lewis treated 36 Medicare patients in 2024, average age 70
CMS counts 36 Medicare patients who saw Michael Lewis in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.92, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Michael Lewis' median patient age at 66, with 31% women.
Michael Lewis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Michael Lewis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Atrial fibrillation69%
- Diabetes53%
- Heart failure53%
- Chronic kidney disease39%
- Arthritis33%
Share of Medicare patients with each condition. A patient can have several.
Michael Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women31%
- Men69%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael D. Lewis wrote 134 Medicare Part D claims in 2024
In 2024, Michael Lewis wrote 134 Medicare Part D claims for 31 patients. 93% of them were for generic drugs.
Michael Lewis' Part D claims by kind of drug, 2024
- Generic124 claims93%
- Brand-name and other10 claims7%
Drug classes CMS tracks in Michael Lewis' Part D claims, 2024
- Opioids16%22 of 134 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Michael D. Lewis scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Michael Lewis for performance year 2024, reported as part of a group. Michael Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Michael Lewis' MIPS scores, performance year 2024
- 93of 100Final score
- 77.8of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Michael D. Lewis received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Michael Lewis from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $18.
Companies that paid Michael Lewis the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael D. Lewis'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 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 (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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Michael D. Lewis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael D. Lewis' NPI number?
Michael D. Lewis' NPI number is 1942577051. It was assigned on November 18, 2011, and it is active in the NPI Registry.
What does Michael D. Lewis specialize in?
Michael D. Lewis is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael D. Lewis practice?
Michael Lewis practices at 101 City Drive South, Orange, CA 92868. Michael Lewis' primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Michael Lewis to 3 medical groups.
What is Michael D. Lewis' office phone number?
The practice phone on file for Michael Lewis is (714) 456-7890.
What is Michael D. Lewis' medical license number?
Michael Lewis holds California license PA21778.
Which hospitals is Michael D. Lewis affiliated with?
Michael Lewis practices at UCI Health - Orange in Orange, California. Michael Lewis is also affiliated with Cedars-Sinai Medical Center.
What medical group is Michael D. Lewis part of?
Michael Lewis is linked to Vituity. Dmand AI links Michael Lewis to 3 more medical groups.
Does Michael D. Lewis accept Medicare?
Yes. CMS lists Michael Lewis as accepting Medicare assignment.
What is Michael D. Lewis' MIPS score?
Michael Lewis' MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Michael D. Lewis see?
CMS counts 36 Medicare patients who saw Michael Lewis in 2024, with an average age of 70.
Has Michael D. Lewis received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Michael Lewis from 1 company from 2025 to 2025. The largest total came from Ethicon Inc.
How long has Michael D. Lewis been practicing?
Michael Lewis graduated from medical school in 2011, 15 years ago.
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