World Neurosurg
Analgesics, OpioidAnesthetics, IntravenousBrain Neoplasms
Dr. John Lenart, MD
NPI1396766671PAC ID1658329842
- Medicare services, 2024
- 31
- Medicare patients, 2024
- 98
- Publications
- 3
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Practice address
- 11234 Anderson St, Loma Linda, CA 92354
- Practice phone
- Call (909) 558-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lenart's professional email, personal email and mobile number
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Dr. John Lenart is an anesthesiologist in Loma Linda, California
Dr. Lenart practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
Dr. Lenart's NPI, 1396766671, was assigned on July 21, 2006. Dr. Lenart graduated from Loma Linda University School of Medicine in 1996. Dr. Lenart holds California license A63766.
NPI and contact details
- NPI
- 1396766671NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658329842
- NPI enumeration date
- July 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 558-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Lenart practices at Loma Linda University Medical Center in Loma Linda, California
Dr. Lenart's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.
- Loma Linda University Medical Center11234 Anderson St, Loma Linda, CA 92354 · San Bernardino CountyPhone(909) 558-4000
Source: Dmand AI Affiliation Data
Dr. John Lenart is affiliated with 1 site of care and 1 medical group
Dr. Lenart's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Lenart's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lenart practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loma Linda University Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Lenart is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Lenart's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Lenart is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Lenart
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California77anesthesiologists in Loma Linda55anesthesiologists at Loma Linda University Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Lenart billed Medicare for 31 services in 2024
CMS data shows 31 Medicare services from Dr. Lenart across 2 procedure codes in 2024, for 98 Medicare patients. Medicare paid $1,993 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202431
Medicare patients98
Paid by Medicare$1,993
Procedure codes2
Dr. Lenart's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 132024: 31138%
Dr. Lenart compared with the California median for anesthesiologists, 2024
- Dr. Lenart
- California median
- Medicare services
- 31vs 7257% below
- Medicare patients
- 98vs 14331% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Lenart'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. Lenart?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lenart and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Lenart treated 98 Medicare patients in 2024, average age 71
CMS counts 98 Medicare patients who saw Dr. Lenart in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.43, 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. Lenart's median patient age at 52, with 53% women.
Medicare patients, 202498
Average age71
Average risk score2.43
Also on Medicaid41%
Dr. Lenart's Medicare patients by age, 2024
Dr. Lenart's Medicare patients by sex, 2024
- Women5354%
- Men4546%
Chronic conditions among Dr. Lenart's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Arthritis54%
- Diabetes39%
- Ischemic heart disease39%
- Chronic kidney disease38%
- Mood disorders33%
- Depression32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lenart's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Lenart scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Lenart for performance year 2024, reported as part of a group. Dr. Lenart accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lenart's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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
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Dr. John Lenart has 3 publications on record
Dmand AI links 3 papers to Dr. Lenart, published from 2016 to 2020. Dr. Lenart's most frequent co-authors are Harmony Faith Carter, MD, Carlos A. Garberoglio, MD and Elyse Lauren Guran.
Papers3
Years published2016 to 2020
Dr. Lenart's papers by year, 2016 to 2020
Dr. Lenart's most frequent co-authors
- Harmony Faith Carter, MD1 shared paper
- Carlos A. Garberoglio, MD1 shared paper
- Elyse Lauren Guran1 shared paper
Recent publications by Dr. Lenart
See who Dr. Lenart researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lenart works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Lenart received $63 in industry payments from 2017 to 2023
CMS Open Payments shows 4 general payments to Dr. Lenart from 3 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $25.
General payments to Dr. Lenart by program year, 2017 to 2023
Companies that paid Dr. Lenart the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Lenart graduated from Loma Linda University School of Medicine
Dr. Lenart graduated from Loma Linda University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Lenart'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand 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 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)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. John Lenart
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. John Lenart's NPI number?
Dr. John Lenart's NPI number is 1396766671. It was assigned on July 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Lenart?
Dr. John Lenart is an anesthesiologist in Loma Linda, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Lenart practice?
Dr. Lenart practices at 11234 Anderson St, Loma Linda, CA 92354. Dr. Lenart's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.
What is Dr. John Lenart's office phone number?
The practice phone on file for Dr. Lenart is (909) 558-4000.
What is Dr. John Lenart's medical license number?
Dr. Lenart holds California license A63766.
Which hospitals is Dr. John Lenart affiliated with?
Dr. Lenart practices at Loma Linda University Medical Center in Loma Linda, California.
What medical group is Dr. John Lenart part of?
Dr. Lenart is linked to Loma Linda University Faculty Medical Group (LLUFMG).
Does Dr. John Lenart accept Medicare?
Yes. CMS data shows Dr. Lenart billed Medicare for 31 services in 2024, and Dr. Lenart accepts Medicare assignment.
What is Dr. John Lenart's MIPS score?
Dr. Lenart's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Lenart see?
CMS counts 98 Medicare patients who saw Dr. Lenart in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
What services does Dr. John Lenart bill to Medicare?
In 2024, Dr. Lenart's most billed Medicare services were anesthesia (00731) and anesthesia (00145).
Where did Dr. John Lenart go to medical school?
Dr. Lenart graduated from Loma Linda University School of Medicine in 1996.
Has Dr. John Lenart received payments from drug or device companies?
CMS Open Payments shows $63 in general payments to Dr. Lenart from 3 companies from 2017 to 2023. The largest total came from Baxter Healthcare.
How long has Dr. John Lenart been practicing?
Dr. Lenart graduated from medical school in 1996, 30 years ago.
Does Dr. John Lenart do research?
Dmand AI links 3 publications to Dr. Lenart, published from 2016 to 2020.
Who does Dr. John Lenart publish with?
Dr. Lenart's most frequent co-authors are Harmony Faith Carter, MD (1 shared paper), Carlos A. Garberoglio, MD (1 shared paper) and Elyse Lauren Guran (1 shared paper).
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