Mark Lii, OD
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 581
- MIPS score, 2024
- 79
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 12522 E Lambert Rd, Whittier, CA 90606
- Practice phone
- Call (562) 789-5420
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PIH Health Physicians
Whittier, California
Find Mark Lii'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.
Mark Lii is an optometrist in Whittier, California
Mark Lii practices at PIH Health Physicians in Whittier, California.
Mark Lii's NPI, 1902338288, was assigned on March 28, 2017. Mark Lii graduated from Southern California College of Optometry in 2017. Mark Lii holds California license 33778TLG.
- NPI
- 1902338288NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446583363
- NPI enumeration date
- March 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 789-5420
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Lii practices at PIH Health Physicians in Whittier, California
Mark Lii's primary practice is PIH Health Physicians, at 12522 E Lambert Rd, Whittier, CA 90606 in Los Angeles County. The practice phone is (562) 789-5420.
- PIH Health Physicians12522 E Lambert Rd, Whittier, CA 90606 · Los Angeles CountyPhone(562) 789-5420
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mark Lii is affiliated with 2 sites of care and 2 medical groups
Mark Lii's primary practice is PIH Health Physicians in Whittier, California. The medical group on file is PIH Health Physicians. Dmand AI also links Mark Lii to 1 more group practice or clinic and 1 medical group, 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 Mark Lii's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Lii practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Physicians | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Mark Lii is one of 7,206 optometrists in California
Optometrist is Mark Lii's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Mark Lii is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Mark Lii
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
Mark Lii treated 70 Medicare patients in 2024, average age 75
CMS counts 70 Medicare patients who saw Mark Lii in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Lii's median patient age at 72, with 59% women.
Mark Lii's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Lii's Medicare patients by sex, 2024
- Women3854%
- Men3246%
Chronic conditions among Mark Lii's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Arthritis46%
- Chronic kidney disease23%
- Ischemic heart disease21%
- Cancer19%
- Heart failure16%
Share of Medicare patients with each condition. A patient can have several.
Mark Lii's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Lii wrote 581 Medicare Part D claims in 2024
In 2024, Mark Lii wrote 581 Medicare Part D claims for 262 patients. 58% of them were for generic drugs.
Mark Lii's Part D claims by kind of drug, 2024
- Generic336 claims58%
- Brand-name245 claims42%
Drug classes CMS tracks in Mark Lii's Part D claims, 2024
- Antibiotics8%48 of 581 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
Mark Lii scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Mark Lii for performance year 2024, reported as part of a group. Mark Lii accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mark Lii's MIPS scores, performance year 2024
- 79of 100Final score
- 58.7of 100Quality
- 40of 100Improvement Activities
- 75of 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Mark Lii graduated from Southern California College of Optometry
Mark Lii graduated from Southern California College of Optometry in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Lii'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) |
| 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) |
| 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 Mark Lii
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Lii's NPI number?
Mark Lii's NPI number is 1902338288. It was assigned on March 28, 2017, and it is active in the NPI Registry.
What does Mark Lii specialize in?
Mark Lii is an optometrist in Whittier, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Mark Lii practice?
Mark Lii practices at 12522 E Lambert Rd, Whittier, CA 90606. Mark Lii's primary practice is PIH Health Physicians in Whittier, California. Dmand AI also links Mark Lii to 1 group practice or clinic and 1 medical group.
What is Mark Lii's office phone number?
The practice phone on file for Mark Lii is (562) 789-5420.
What is Mark Lii's medical license number?
Mark Lii holds California license 33778TLG.
What medical group is Mark Lii part of?
Mark Lii is linked to PIH Health Physicians. Dmand AI links Mark Lii to 1 more medical group.
Does Mark Lii accept Medicare?
Yes. CMS lists Mark Lii as accepting Medicare assignment.
What is Mark Lii's MIPS score?
Mark Lii's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Mark Lii see?
CMS counts 70 Medicare patients who saw Mark Lii in 2024, with an average age of 75.
Where did Mark Lii go to medical school?
Mark Lii graduated from Southern California College of Optometry in 2017.
How long has Mark Lii been practicing?
Mark Lii graduated from medical school in 2017, 9 years ago.
Selling to optometrist practices?
See optometrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card