Dr. Leonid A. Zhornitskiy, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 7,594
- Hospital affiliations
- 1
- Industry payments
- $137
- Medical group
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Zhornitskiy'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. Leonid A. Zhornitskiy is an internist in Stockton, California
Dr. Zhornitskiy practices at Permanente Medical Group Inc in Stockton, California.
Dr. Zhornitskiy's NPI, 1619027430, was assigned on January 12, 2007. Dr. Zhornitskiy graduated from Lugansk State Medical University in 1988. Dr. Zhornitskiy's California license number on file is A86880.
- NPI
- 1619027430NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678548286
- NPI enumeration date
- January 12, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonid A. Zhornitskiy practices at Permanente Medical Group Inc in Stockton, California
Dr. Zhornitskiy's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Leonid A. Zhornitskiy is affiliated with 4 sites of care and 1 medical group
Dr. Zhornitskiy's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Zhornitskiy is also affiliated with Kaiser Permanente Fresno Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Zhornitskiy to 1 more group practice or clinic and 1 hospice, 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. Leonid A. Zhornitskiy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zhornitskiy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +3 more affiliated sites | 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.
Dr. Leonid A. Zhornitskiy is one of 16,751 internists in California
Internal medicine is Dr. Zhornitskiy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Zhornitskiy is board certified in family medicine by the American Board of Family Medicine. Dr. Zhornitskiy has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists atrial fibrillation and flutter, chronic hypertension, coronary artery disease, fibromyalgia and chronic pain and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Zhornitskiy treats.
Internists near Dr. Zhornitskiy
Counts of internists 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. Leonid A. Zhornitskiy treated 11 Medicare patients in 2024, average age 69
CMS counts 11 Medicare patients who saw Dr. Zhornitskiy in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.58, 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. Zhornitskiy's median patient age at 64, with 43% women.
Dr. Zhornitskiy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zhornitskiy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonid A. Zhornitskiy wrote 7,594 Medicare Part D claims in 2024
In 2024, Dr. Zhornitskiy wrote 7,594 Medicare Part D claims for 930 patients. 89% of them were for generic drugs. CMS names the drug for 6,889 of them, across 108 drugs with 11 or more claims each, at $213,826 in total drug cost. In 2023, CMS named 6,747 claims across 101 drugs.
Dr. Zhornitskiy's Part D claims by kind of drug, 2024
- Generic6,789 claims89%
- Brand-name713 claims9%
- Other92 claims1%
Dr. Zhornitskiy'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. Zhornitskiy's Part D claims, 2024
- Opioids5%411 of 7,594 claims
- Antibiotics3%198 of 7,594 claims
- Antipsychotics, patients 65 and over0%17 of 7,594 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: 6,7472024: 6,8892%
Drugs named by CMS: 108 in 2024, 101 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. Leonid A. Zhornitskiy offers telehealth to Medicare patients
Dr. Zhornitskiy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zhornitskiy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Dr. Leonid A. Zhornitskiy received $137 in industry payments in 2016
CMS Open Payments shows 2 general payments to Dr. Zhornitskiy from 2 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $125.
Companies that paid Dr. Zhornitskiy the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonid A. Zhornitskiy has 1 award and honors on record
Dmand AI lists 1 award for Dr. Zhornitskiy, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Zhornitskiy
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Leonid A. Zhornitskiy graduated from Lugansk State Medical University
Dr. Zhornitskiy graduated from Lugansk State Medical University in 1988.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Leonid A. Zhornitskiy accepts plans from 2 insurance carriers
Dr. Zhornitskiy is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Zhornitskiy accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Leonid A. Zhornitskiy'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 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) |
| 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. Leonid A. Zhornitskiy
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. Leonid A. Zhornitskiy's NPI number?
Dr. Leonid A. Zhornitskiy's NPI number is 1619027430. It was assigned on January 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonid A. Zhornitskiy?
Dr. Leonid A. Zhornitskiy is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Leonid A. Zhornitskiy practice?
Dr. Zhornitskiy practices at 7373 West Ln, Stockton, CA 95210. Dr. Zhornitskiy's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Zhornitskiy to 1 group practice or clinic and 1 hospice.
What is Dr. Leonid A. Zhornitskiy's office phone number?
The practice phone on file for Dr. Zhornitskiy is (209) 476-2000.
What is Dr. Leonid A. Zhornitskiy's medical license number?
Dr. Zhornitskiy's California license number on file is A86880.
Which hospitals is Dr. Leonid A. Zhornitskiy affiliated with?
Dr. Zhornitskiy is affiliated with Kaiser Permanente Fresno Medical Center.
What medical group is Dr. Leonid A. Zhornitskiy part of?
Dr. Zhornitskiy is linked to The Permanente Medical Group, Inc.
Does Dr. Leonid A. Zhornitskiy accept Medicare?
Yes. CMS lists Dr. Zhornitskiy as accepting Medicare assignment.
Does Dr. Leonid A. Zhornitskiy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zhornitskiy as offering telehealth services.
How many Medicare patients does Dr. Leonid A. Zhornitskiy see?
CMS counts 11 Medicare patients who saw Dr. Zhornitskiy in 2024, with an average age of 69.
Show 6 more questionsShow fewer questions
Is Dr. Leonid A. Zhornitskiy board certified?
Yes. Dr. Zhornitskiy is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Leonid A. Zhornitskiy go to medical school?
Dr. Zhornitskiy graduated from Lugansk State Medical University in 1988.
What drugs does Dr. Leonid A. Zhornitskiy prescribe most?
In 2024 Medicare Part D data, Dr. Zhornitskiy's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Tizanidine HCl.
Has Dr. Leonid A. Zhornitskiy received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Zhornitskiy from 2 companies from 2016 to 2016. The largest total came from Gilead Sciences, Inc.
How long has Dr. Leonid A. Zhornitskiy been practicing?
Dr. Zhornitskiy graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Leonid A. Zhornitskiy accept?
Dr. Zhornitskiy is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists 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