Dr. Leon Lenchik, MD
- Medicare services, 2024
- 2,844
- Medicare patients, 2024
- 2,074
- Hospital affiliations
- 3
- Industry payments
- $107
- Medical groups
- 5
- Practice address
- 6121 Hollis St, Emeryville, CA 94608
- Practice phone
- Call (650) 498-5785
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stanford Health Care Emeryville
Emeryville, California
Find Dr. Lenchik's professional email, personal email and mobile number
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Dr. Leon Lenchik is a diagnostic radiologist in Emeryville, California
Dr. Lenchik practices at Stanford Health Care Emeryville in Emeryville, California.
Dr. Lenchik's NPI, 1871578336, was assigned on December 7, 2005. Dr. Lenchik graduated from Northwestern University Feinberg Medical School in 1990. Dr. Lenchik holds North Carolina license 9600607.
- NPI
- 1871578336NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840350021
- NPI enumeration date
- December 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 498-5785
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leon Lenchik practices at Stanford Health Care Emeryville in Emeryville, California
Dr. Lenchik's primary practice is Stanford Health Care Emeryville, at 6121 Hollis St, Emeryville, CA 94608 in Alameda County. The practice phone is (650) 498-5785.
- Stanford Health Care Emeryville6121 Hollis St, Emeryville, CA 94608 · Alameda CountyPhone(650) 498-5785
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leon Lenchik is affiliated with 6 sites of care and 5 medical groups
Dr. Lenchik's primary practice is Stanford Health Care Emeryville in Emeryville, California. Dr. Lenchik is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Lenchik to 2 more hospitals, 4 medical groups and 2 group practices and clinics, 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 Dr. Leon Lenchik's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lenchik practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Health Care Emeryville | Available with a free account |
| +5 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leon Lenchik is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Lenchik's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Lenchik is licensed in North Carolina.
Specialties and state licenses
- Diagnostic radiology, North CarolinaPrimary
Diagnostic radiologists near Dr. Lenchik
Counts of diagnostic radiologists 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. Leon Lenchik billed Medicare for 2,844 services in 2024
CMS data shows 2,844 Medicare services from Dr. Lenchik across 33 procedure codes in 2024, for 2,074 Medicare patients. Medicare paid $29,025 for them.
Dr. Lenchik's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 4,2692024: 2,84433%
Where Dr. Lenchik's Medicare services took place, 2024
- In an office95734%
- In a facility1,88766%
Dr. Lenchik compared with the California median for diagnostic radiologists, 2024
- Dr. Lenchik
- California median
- Medicare services
- 2,844vs 2,28125% above
- Medicare patients
- 2,074vs 1,34654% above
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Lenchik'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lenchik and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leon Lenchik treated 2,074 Medicare patients in 2024, average age 73
CMS counts 2,074 Medicare patients who saw Dr. Lenchik in 2024. The largest group is 65 to 74, with 908 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lenchik's median patient age at 59, with 54% women.
Dr. Lenchik's Medicare patients by age, 2024
Dr. Lenchik's Medicare patients by sex, 2024
- Women1,30163%
- Men77337%
Chronic conditions among Dr. Lenchik's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis67%
- Mood disorders35%
- Anxiety32%
- Depression32%
- Chronic kidney disease31%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lenchik's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Leon Lenchik takes part in Medicare
Dr. Lenchik accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leon Lenchik received $107 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Lenchik from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. GE Healthcare paid the most, $107.
Companies that paid Dr. Lenchik the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leon Lenchik graduated from Northwestern University Feinberg Medical School
Dr. Lenchik graduated from Northwestern University Feinberg Medical School in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Leon Lenchik'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Leon Lenchik
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. Leon Lenchik's NPI number?
Dr. Leon Lenchik's NPI number is 1871578336. It was assigned on December 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Leon Lenchik?
Dr. Leon Lenchik is a diagnostic radiologist in Emeryville, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Leon Lenchik practice?
Dr. Lenchik practices at 6121 Hollis St, Emeryville, CA 94608. Dr. Lenchik's primary practice is Stanford Health Care Emeryville in Emeryville, California. Dmand AI also links Dr. Lenchik to 2 hospitals, 4 medical groups and 2 group practices and clinics.
What is Dr. Leon Lenchik's office phone number?
The practice phone on file for Dr. Lenchik is (650) 498-5785.
What is Dr. Leon Lenchik's medical license number?
Dr. Lenchik holds North Carolina license 9600607.
Which hospitals is Dr. Leon Lenchik affiliated with?
Dr. Lenchik is affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Lenchik to 2 more hospitals.
What medical group is Dr. Leon Lenchik part of?
Dr. Lenchik is linked to Stanford Health Care. Dmand AI links Dr. Lenchik to 4 more medical groups.
Does Dr. Leon Lenchik accept Medicare?
Yes. CMS data shows Dr. Lenchik billed Medicare for 2,844 services in 2024, and Dr. Lenchik accepts Medicare assignment.
How many Medicare patients does Dr. Leon Lenchik see?
CMS counts 2,074 Medicare patients who saw Dr. Lenchik in 2024, with an average age of 73.
What services does Dr. Leon Lenchik bill to Medicare?
In 2024, Dr. Lenchik's most billed Medicare services were diagnostic imaging (73030), diagnostic imaging (73562) and radiation oncology (77080).
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Where did Dr. Leon Lenchik go to medical school?
Dr. Lenchik graduated from Northwestern University Feinberg Medical School in 1990.
Has Dr. Leon Lenchik received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to Dr. Lenchik from 1 company from 2025 to 2025. The largest total came from GE Healthcare.
How long has Dr. Leon Lenchik been practicing?
Dr. Lenchik graduated from medical school in 1990, 36 years ago.
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