Michael Hall Markowitz, OD
- Medicare patients, 2024
- 73
- Part D claims, 2024
- 21
- Industry payments
- $250
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 23600 El Toro Rd, Lake Forest, CA 92630
- Practice phone
- Call (800) 571-5202
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
National Vision, Inc.
Lake Forest, California
Find Michael Markowitz'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.
Michael Hall Markowitz is an optometrist in Lake Forest, California
Michael Markowitz practices at National Vision, Inc. in Lake Forest, California.
Michael Markowitz's NPI, 1538937701, was assigned on December 18, 2023. Michael Markowitz graduated from University of Missouri St Louis - School of Optometry in 2023. Michael Markowitz holds California license 35618.
- NPI
- 1538937701NPI Registry (opens in a new tab)
- NPI enumeration date
- December 18, 2023
- NPI status
- Active
- Practice phone
- (800) 571-5202
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Michael Hall Markowitz practices at National Vision, Inc. in Lake Forest, California
Michael Markowitz's primary practice is National Vision, Inc., at 23600 El Toro Rd, Lake Forest, CA 92630 in Orange County. The practice phone is (800) 571-5202.
- National Vision, Inc.23600 El Toro Rd, Lake Forest, CA 92630 · Orange CountyPhone(800) 571-5202
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael Hall Markowitz is affiliated with 2 sites of care and 2 medical groups
Michael Markowitz's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Michael Markowitz to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Michael Hall Markowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Markowitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| National Vision, Inc. | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Hall Markowitz is one of 7,206 optometrists in California
Optometrist is Michael Markowitz's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Michael Markowitz is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Michael Markowitz
Counts of optometrists 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 Hall Markowitz treated 73 Medicare patients in 2024, average age 78
CMS counts 73 Medicare patients who saw Michael Markowitz in 2024. The largest group is 75 to 84, with 32 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Michael Markowitz's median patient age at 75, with 75% women.
Michael Markowitz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Michael Markowitz's Medicare patients by sex, 2024
- Women5271%
- Men2129%
Chronic conditions among Michael Markowitz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis66%
- Osteoporosis33%
- Ischemic heart disease30%
- Mood disorders27%
- Depression26%
- Cancer23%
Share of Medicare patients with each condition. A patient can have several.
Michael Markowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Hall Markowitz wrote 21 Medicare Part D claims in 2024
In 2024, Michael Markowitz wrote 21 Medicare Part D claims for 11 patients.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Michael Hall Markowitz received $250 in industry payments in 2025
CMS Open Payments shows 9 general payments to Michael Markowitz from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sun Pharmaceutical Industries Inc. paid the most, $90.
Companies that paid Michael Markowitz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael Hall Markowitz graduated from University of Missouri St Louis - School of Optometry
Michael Markowitz graduated from University of Missouri St Louis - School of Optometry in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michael Hall Markowitz'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Michael Hall Markowitz
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 Hall Markowitz's NPI number?
Michael Hall Markowitz's NPI number is 1538937701. It was assigned on December 18, 2023, and it is active in the NPI Registry.
What does Michael Hall Markowitz specialize in?
Michael Hall Markowitz is an optometrist in Lake Forest, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Michael Hall Markowitz practice?
Michael Markowitz practices at 23600 El Toro Rd, Lake Forest, CA 92630. Michael Markowitz's primary practice is National Vision, Inc. in Lake Forest, California. Dmand AI also links Michael Markowitz to 2 medical groups and 1 group practice or clinic.
What is Michael Hall Markowitz's office phone number?
The practice phone on file for Michael Markowitz is (800) 571-5202.
What is Michael Hall Markowitz's medical license number?
Michael Markowitz holds California license 35618.
How many Medicare patients does Michael Hall Markowitz see?
CMS counts 73 Medicare patients who saw Michael Markowitz in 2024, with an average age of 78.
Where did Michael Hall Markowitz go to medical school?
Michael Markowitz graduated from University of Missouri St Louis - School of Optometry in 2023.
Has Michael Hall Markowitz received payments from drug or device companies?
CMS Open Payments shows $250 in general payments to Michael Markowitz from 6 companies from 2025 to 2025. The largest total came from Sun Pharmaceutical Industries Inc.
How long has Michael Hall Markowitz been practicing?
Michael Markowitz graduated from medical school in 2023, 3 years ago.
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