Dr. Jonathan H. Lass, MD
- Medicare services, 2022
- 32
- Part D claims, 2024
- 12
- Hospital affiliations
- 1
- Industry payments
- $20,044
- Medical groups
- 2
- Practice address
- 11100 Euclid Avenue, Cleveland, OH 44106
- Practice phone
- Call (216) 844-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Lass' 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. Jonathan H. Lass is an ophthalmologist in Cleveland, Ohio
Dr. Lass practices at University Hospitals Cleveland Medical Center in Cleveland, Ohio, part of University Hospitals Health System.
Dr. Lass' NPI, 1366431942, was assigned on October 17, 2005. Dr. Lass graduated from Boston University School of Medicine in 1973. Dr. Lass holds Ohio license 35043240.
- NPI
- 1366431942NPI Registry (opens in a new tab)
- NPI enumeration date
- October 17, 2005
- NPI status
- Active
- Practice phone
- (216) 844-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan H. Lass practices at 2 locations in Cleveland, Ohio
Dr. Lass' primary practice is University Hospitals Cleveland Medical Center, at 11100 Euclid Avenue, Cleveland, OH 44106 in Cuyahoga County. The practice phone is (216) 844-1000. The NPI Registry lists Dr. Lass' practice address as 9500 Euclid Ave, Cleveland, OH 44106.
- University Hospitals Cleveland Medical CenterPrimary11100 Euclid Avenue, Cleveland, OH 44106 · Cuyahoga CountyPhone(216) 844-1000
- NPI Registry address9500 Euclid Ave, Cleveland, OH 44106 · Cuyahoga CountyPhone(216) 844-3601
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Jonathan H. Lass is affiliated with 1 site of care and 2 medical groups
Dr. Lass' primary practice is University Hospitals Cleveland Medical Center in Cleveland, Ohio, part of University Hospitals Health System. The medical group on file is University Hospitals Medical Practices. Dmand AI also links Dr. Lass to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jonathan H. Lass' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lass practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospitals Cleveland Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jonathan H. Lass is one of 658 ophthalmologists in Ohio
Ophthalmology is Dr. Lass' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Lass is licensed in Ohio.
Specialties and state licenses
- Ophthalmology, OhioPrimary
Ophthalmologists near Dr. Lass
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. Jonathan H. Lass billed Medicare for 32 services in 2022
CMS data shows 32 Medicare services from Dr. Lass across 2 procedure codes in 2022. Medicare paid $2,667 for them. Every service was in an office.
Dr. Lass' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 222022: 3245%
Dr. Lass compared with the Ohio median for ophthalmologists, 2022
- Dr. Lass
- Ohio median
- Medicare services
- 32vs 1,18597% below
- Part D claims
- 41vs 64194% below
Medians across 673 ophthalmologists in Ohio with Dmand AI profiles that report each measure.
Dr. Lass' most billed Medicare procedure codes, 2022
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. Lass and other ophthalmologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan H. Lass' patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Lass' median patient age at 77, with 63% women.
Dr. Lass' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women63%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Jonathan H. Lass wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Lass wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,403 in total drug cost. In 2022, CMS named 34 claims across 2 drugs.
Dr. Lass' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 342023: 4121%
Drugs named by CMS: 2 in 2023, 2 in 2022.
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
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Dr. Jonathan H. Lass received $20,044 in industry payments from 2016 to 2023
CMS Open Payments shows 30 general payments to Dr. Lass from 8 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 96% of the total. Pfizer Inc. paid the most, $19,172. It also lists 1 research payment totaling $7,500 in 2023.
General payments to Dr. Lass by program year, 2016 to 2023
General payments to Dr. Lass by kind, 2016 to 2023
- Consulting fees$19,17296%
- Food and beverage$8204%
- Education$520%
Companies that paid Dr. Lass 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. Jonathan H. Lass graduated from Boston University School of Medicine
Dr. Lass graduated from Boston University School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan H. Lass'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| 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) |
| 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 Dr. Jonathan H. Lass
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. Jonathan H. Lass' NPI number?
Dr. Jonathan H. Lass' NPI number is 1366431942. It was assigned on October 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan H. Lass?
Dr. Jonathan H. Lass is an ophthalmologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Jonathan H. Lass practice?
Dr. Lass practices at 11100 Euclid Avenue, Cleveland, OH 44106. Dr. Lass also practices at 9500 Euclid Ave, Cleveland, OH 44106. Dr. Lass' primary practice is University Hospitals Cleveland Medical Center in Cleveland, Ohio, part of University Hospitals Health System. Dmand AI also links Dr. Lass to 1 medical group.
What is Dr. Jonathan H. Lass' office phone number?
The practice phone on file for Dr. Lass is (216) 844-1000.
What is Dr. Jonathan H. Lass' medical license number?
Dr. Lass holds Ohio license 35043240.
Which hospitals is Dr. Jonathan H. Lass affiliated with?
Dr. Lass practices at University Hospitals Cleveland Medical Center in Cleveland, Ohio.
What medical group is Dr. Jonathan H. Lass part of?
Dr. Lass is linked to University Hospitals Medical Practices. Dmand AI links Dr. Lass to 1 more medical group.
Does Dr. Jonathan H. Lass accept Medicare?
Yes. CMS data shows Dr. Lass billed Medicare for 32 services in 2022.
What services does Dr. Jonathan H. Lass bill to Medicare?
In 2022, Dr. Lass' most billed Medicare services were eye exam or test (92014) and eye exam or test (92004).
Where did Dr. Jonathan H. Lass go to medical school?
Dr. Lass graduated from Boston University School of Medicine in 1973.
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What drugs does Dr. Jonathan H. Lass prescribe most?
In 2023 Medicare Part D data, Dr. Lass' most prescribed drugs by claims were Latanoprost and Doxycycline Monohydrate.
Has Dr. Jonathan H. Lass received payments from drug or device companies?
CMS Open Payments shows $20,044 in general payments to Dr. Lass from 8 companies from 2016 to 2023. The largest total came from Pfizer Inc.
How long has Dr. Jonathan H. Lass been practicing?
Dr. Lass graduated from medical school in 1973, 53 years ago.
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