Dr. Larisa Zeltser, DO
- Medicare services, 2024
- 1,034
- Medicare patients, 2024
- 562
- Part D claims, 2024
- 559
- Hospital affiliations
- 1
- Industry payments
- $36
- Practice address
- 16205 Sand Canyon Ave, Irvine, CA 92618
- Practice phone
- Call (949) 557-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hoag Urgent Care Sand Canyon
Urgent Care Center · Irvine, California
Find Dr. Zeltser'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. Larisa Zeltser is an emergency medicine physician in Irvine, California
Dr. Zeltser practices at Hoag Urgent Care Sand Canyon in Irvine, California.
Dr. Zeltser's NPI, 1780622720, was assigned on June 3, 2006. Dr. Zeltser graduated from WesternU College of Osteopathic Medicine of the Pacific in 2003. Dr. Zeltser holds California license 2)A8916.
- NPI
- 1780622720NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486667474
- NPI enumeration date
- June 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 557-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Larisa Zeltser practices at Hoag Urgent Care Sand Canyon in Irvine, California
Dr. Zeltser's primary practice is Hoag Urgent Care Sand Canyon, at 16205 Sand Canyon Ave, Irvine, CA 92618. The practice phone is (949) 557-0000.
- Hoag Urgent Care Sand Canyon16205 Sand Canyon Ave, Irvine, CA 92618Phone(949) 557-0000
Source: Dmand AI Affiliation Data
Dr. Larisa Zeltser is affiliated with 2 sites of care and 2 medical groups
Dr. Zeltser's primary practice is Hoag Urgent Care Sand Canyon in Irvine, California. Dr. Zeltser is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Hoag Clinic. Dmand AI also links Dr. Zeltser to 1 more medical group, named with a free account. Dr. Zeltser's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Larisa Zeltser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zeltser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hoag Urgent Care Sand Canyon | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Larisa Zeltser is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Zeltser's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Zeltser is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Zeltser is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Zeltser
Counts of emergency medicine physicians 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. Larisa Zeltser billed Medicare for 1,034 services in 2024
CMS data shows 1,034 Medicare services from Dr. Zeltser across 16 procedure codes in 2024, for 562 Medicare patients. Medicare paid $69,056 for them. Every service was in an office.
Dr. Zeltser's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6242024: 6301%
- Lab and pathology
- 2023: 3182024: 26616%
- Imaging
- 2023: 452024: 107138%
- Tests and treatments
- 2023: 232024: 3135%
- Surgery
- 2023: 142024: 0100%
Dr. Zeltser compared with the California median for emergency medicine physicians, 2024
- Dr. Zeltser
- California median
- Medicare services
- 1,034vs 2653.9 times
- Medicare patients
- 562vs 2432.3 times
- Part D claims
- 368vs 625.9 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Zeltser'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. Zeltser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zeltser and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Larisa Zeltser treated 562 Medicare patients in 2024, average age 76
CMS counts 562 Medicare patients who saw Dr. Zeltser in 2024. The largest group is 65 to 74, with 245 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zeltser's median patient age at 51, with 59% women.
Dr. Zeltser's Medicare patients by age, 2024
Dr. Zeltser's Medicare patients by sex, 2024
- Women35864%
- Men20436%
Chronic conditions among Dr. Zeltser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis56%
- Ischemic heart disease28%
- Osteoporosis27%
- Diabetes26%
- Anxiety25%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zeltser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Larisa Zeltser wrote 559 Medicare Part D claims in 2024
In 2024, Dr. Zeltser wrote 559 Medicare Part D claims for 401 patients. 83% of them were for generic drugs. CMS names the drug for 368 of them, across 14 drugs with 11 or more claims each, at $3,098 in total drug cost. In 2023, CMS named 361 claims across 14 drugs.
Dr. Zeltser's Part D claims by kind of drug, 2024
- Generic465 claims83%
- Brand-name and other94 claims17%
Dr. Zeltser'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. Zeltser's Part D claims, 2024
- Opioids3%19 of 559 claims
- Antibiotics38%215 of 559 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: 3612024: 3682%
Drugs named by CMS: 14 in 2024, 14 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
How Dr. Larisa Zeltser takes part in Medicare
Dr. Zeltser 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. Larisa Zeltser received $36 in industry payments from 2018 to 2024
CMS Open Payments shows 2 general payments to Dr. Zeltser from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Medline Industries, Inc. paid the most, $19.
General payments to Dr. Zeltser by program year, 2018 to 2024
Companies that paid Dr. Zeltser the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Larisa Zeltser graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Zeltser graduated from WesternU College of Osteopathic Medicine of the Pacific in 2003.
- Medical school
- Board certified in emergency medicine
- Board certified in 2004 - 2026
Source: Dmand AI Professional Profile Data
Dr. Larisa Zeltser accepts plans from 6 insurance carriers
Dr. Zeltser is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- CMS Medicare
Plan types Dr. Zeltser accepts, by number of carriers
- Medicare6
- PPO4
- HMO2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Larisa Zeltser'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) |
| 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) |
| 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. Larisa Zeltser
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. Larisa Zeltser's NPI number?
Dr. Larisa Zeltser's NPI number is 1780622720. It was assigned on June 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Larisa Zeltser?
Dr. Larisa Zeltser is an emergency medicine physician in Irvine, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Larisa Zeltser practice?
Dr. Zeltser practices at 16205 Sand Canyon Ave, Irvine, CA 92618. Dr. Zeltser's primary practice is Hoag Urgent Care Sand Canyon in Irvine, California. Dmand AI also links Dr. Zeltser to 1 medical group.
What is Dr. Larisa Zeltser's office phone number?
The practice phone on file for Dr. Zeltser is (949) 557-0000.
What is Dr. Larisa Zeltser's medical license number?
Dr. Zeltser holds California license 2)A8916.
Which hospitals is Dr. Larisa Zeltser affiliated with?
Dr. Zeltser is affiliated with Hoag Hospital Newport Beach.
What medical group is Dr. Larisa Zeltser part of?
Dr. Zeltser is linked to Hoag Clinic. Dmand AI links Dr. Zeltser to 1 more medical group.
Does Dr. Larisa Zeltser accept Medicare?
Yes. CMS data shows Dr. Zeltser billed Medicare for 1,034 services in 2024, and Dr. Zeltser accepts Medicare assignment.
How many Medicare patients does Dr. Larisa Zeltser see?
CMS counts 562 Medicare patients who saw Dr. Zeltser in 2024, with an average age of 76.
Is Dr. Larisa Zeltser board certified?
Yes. Dr. Zeltser is board certified in emergency medicine by the American Board of Emergency Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Larisa Zeltser bill to Medicare?
In 2024, Dr. Zeltser's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).
Where did Dr. Larisa Zeltser go to medical school?
Dr. Zeltser graduated from WesternU College of Osteopathic Medicine of the Pacific in 2003.
What drugs does Dr. Larisa Zeltser prescribe most?
In 2024 Medicare Part D data, Dr. Zeltser's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Albuterol Sulfate Hfa and Paxlovid.
Has Dr. Larisa Zeltser received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Dr. Zeltser from 2 companies from 2018 to 2024. The largest total came from Medline Industries, Inc.
How long has Dr. Larisa Zeltser been practicing?
Dr. Zeltser graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Larisa Zeltser accept?
Dr. Zeltser is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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