Dr. Ilan Hartstein, MD
- Medicare services, 2024
- 2,090
- Medicare patients, 2024
- 469
- Part D claims, 2024
- 853
- Publications
- 3
- MIPS score, 2024
- 75
- Practice address
- 7851 Walker St, La Palma, CA 90623
- Practice phone
- Call (714) 522-4862
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ilan Hartstein, MD. Inc
La Palma, California
Find Dr. Hartstein'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. Ilan Hartstein is an ophthalmologist in La Palma, California
Dr. Hartstein practices at Ilan Hartstein, MD. Inc in La Palma, California.
Dr. Hartstein's NPI, 1184646283, was assigned on July 25, 2006. Dr. Hartstein graduated from Tufts University School Of Medicine in 1985. Dr. Hartstein holds California license G59917.
- NPI
- 1184646283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577536556
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 522-4862
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ilan Hartstein practices at Ilan Hartstein, MD. Inc in La Palma, California
Dr. Hartstein's primary practice is Ilan Hartstein, MD. Inc, at 7851 Walker St, La Palma, CA 90623 in Orange County. The practice phone is (714) 522-4862.
- Ilan Hartstein, MD. Inc7851 Walker St, La Palma, CA 90623 · Orange CountyPhone(714) 522-4862
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ilan Hartstein is affiliated with 1 site of care
Dr. Hartstein's primary practice is Ilan Hartstein, MD. Inc in La Palma, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Ilan Hartstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hartstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ilan Hartstein, MD. Inc | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ilan Hartstein is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Hartstein's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Hartstein is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Hartstein's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Hartstein treats.
Ophthalmologists near Dr. Hartstein
Counts of ophthalmologists 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. Ilan Hartstein billed Medicare for 2,090 services in 2024
CMS data shows 2,090 Medicare services from Dr. Hartstein across 17 procedure codes in 2024, for 469 Medicare patients. Medicare paid $147,540 for them.
Dr. Hartstein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,9562024: 1,8983%
- Surgery
- 2023: 1212024: 1146%
- Office and hospital visits
- 2023: 682024: 663%
- Imaging
- 2023: 02024: 12
Where Dr. Hartstein's Medicare services took place, 2024
- In an office2,06999%
- In a facility211%
Dr. Hartstein compared with the California median for ophthalmologists, 2024
- Dr. Hartstein
- California median
- Medicare services
- 2,090vs 1,07994% above
- Medicare patients
- 469vs 42111% above
- Part D claims
- 765vs 61824% above
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Hartstein'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.
Need commercial claims for Dr. Hartstein?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hartstein and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ilan Hartstein treated 469 Medicare patients in 2024, average age 77
CMS counts 469 Medicare patients who saw Dr. Hartstein in 2024. The largest group is 75 to 84, with 199 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hartstein's median patient age at 70, with 60% women.
Dr. Hartstein's Medicare patients by age, 2024
Dr. Hartstein's Medicare patients by sex, 2024
- Women29162%
- Men17838%
Chronic conditions among Dr. Hartstein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes43%
- Chronic kidney disease30%
- Ischemic heart disease24%
- Osteoporosis23%
- Heart failure18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hartstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ilan Hartstein wrote 853 Medicare Part D claims in 2024
In 2024, Dr. Hartstein wrote 853 Medicare Part D claims for 196 patients. 47% of them were for generic drugs. CMS names the drug for 765 of them, across 14 drugs with 11 or more claims each, at $65,316 in total drug cost. In 2023, CMS named 720 claims across 16 drugs.
Dr. Hartstein's Part D claims by kind of drug, 2024
- Generic405 claims47%
- Brand-name448 claims53%
Dr. Hartstein'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. Hartstein's Part D claims, 2024
- Antibiotics2%14 of 853 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: 7202024: 7656%
Drugs named by CMS: 14 in 2024, 16 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. Ilan Hartstein scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Hartstein for performance year 2024, reported individually. Dr. Hartstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 82 procedures of cataract surgery by Dr. Hartstein, more than 71% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Hartstein ranks in Medicare procedure volume
- Cataract surgery
- 71st percentile82 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ilan Hartstein has 3 publications on record
Dmand AI links 3 papers to Dr. Hartstein. Dr. Hartstein has published most often in Br J Ophthalmol.
Recent publications by Dr. Hartstein
Br J Ophthalmol
See who Dr. Hartstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hartstein works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ilan Hartstein received $1,167 in industry payments from 2016 to 2023
CMS Open Payments shows 28 general payments to Dr. Hartstein from 15 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 47% of the total. Alcon Laboratories Inc paid the most, $669.
General payments to Dr. Hartstein by program year, 2016 to 2023
General payments to Dr. Hartstein by kind, 2016 to 2023
- Travel and lodging$55247%
- Food and beverage$52045%
- Education$383%
- Gifts$373%
- Entertainment$212%
Companies that paid Dr. Hartstein the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ilan Hartstein has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Hartstein, most recently AAO Fellow in 2013.
Awards and honors for Dr. Hartstein
- 2013
- AAO Fellow
- Undated
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Ilan Hartstein graduated from Tufts University School Of Medicine
Dr. Hartstein graduated from Tufts University School Of Medicine in 1985. Dr. Hartstein is a member of AAO.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Ilan Hartstein accepts plans from 22 insurance carriers
Dr. Hartstein is in network with 22 carriers, including Aetna, Humana and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Humana
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Alliant Health Plans
- +14 more carriersWith a free account
Plan types Dr. Hartstein accepts, by number of carriers
- PPO13
- HMO12
- Medicare8
- POS7
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ilan Hartstein'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Ilan Hartstein
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. Ilan Hartstein's NPI number?
Dr. Ilan Hartstein's NPI number is 1184646283. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ilan Hartstein?
Dr. Ilan Hartstein is an ophthalmologist in La Palma, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Ilan Hartstein practice?
Dr. Hartstein practices at 7851 Walker St, La Palma, CA 90623. Dr. Hartstein's primary practice is Ilan Hartstein, MD. Inc in La Palma, California.
What is Dr. Ilan Hartstein's office phone number?
The practice phone on file for Dr. Hartstein is (714) 522-4862.
What is Dr. Ilan Hartstein's medical license number?
Dr. Hartstein holds California license G59917, one of the licenses on file in 2 states.
Which states has Dr. Ilan Hartstein been licensed in?
Dmand AI has state licenses on file for Dr. Hartstein in California (1987 to 2026) and New York (1991 to 1992).
Does Dr. Ilan Hartstein accept Medicare?
Yes. CMS data shows Dr. Hartstein billed Medicare for 2,090 services in 2024, and Dr. Hartstein accepts Medicare assignment.
What is Dr. Ilan Hartstein's MIPS score?
Dr. Hartstein's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Ilan Hartstein see?
CMS counts 469 Medicare patients who saw Dr. Hartstein in 2024, with an average age of 77.
Is Dr. Ilan Hartstein board certified?
Yes. Dr. Hartstein is board certified in ophthalmology by the American Board of Ophthalmology.
Show 7 more questionsShow fewer questions
What services does Dr. Ilan Hartstein bill to Medicare?
In 2024, Dr. Hartstein's most billed Medicare services were eye exam or test (92014), eye exam or test (92012) and eye exam or test (92134).
Where did Dr. Ilan Hartstein go to medical school?
Dr. Hartstein graduated from Tufts University School Of Medicine in 1985.
What drugs does Dr. Ilan Hartstein prescribe most?
In 2024 Medicare Part D data, Dr. Hartstein's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Dorzolamide-Timolol.
Has Dr. Ilan Hartstein received payments from drug or device companies?
CMS Open Payments shows $1,167 in general payments to Dr. Hartstein from 15 companies from 2016 to 2023. The largest total came from Alcon Laboratories Inc.
How long has Dr. Ilan Hartstein been practicing?
Dr. Hartstein graduated from medical school in 1985, 41 years ago.
Does Dr. Ilan Hartstein do research?
Dmand AI links 3 publications to Dr. Hartstein.
What insurance does Dr. Ilan Hartstein accept?
Dr. Hartstein is in network with 22 carriers, including Aetna, Humana and United Healthcare. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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