Dr. Violeta Vallejo-Sinavsky, MD
- Medicare services, 2024
- 47
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 51
- Industry payments
- $55
- Affiliated sites
- 1
- Practice address
- 38350 40th E St, Palmdale, CA 93552
- Practice phone
- Call (661) 272-5001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South Valley Health Center
Palmdale, California
Find Dr. Vallejo-Sinavsky'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. Violeta Vallejo-Sinavsky is an internist in Palmdale, California
Dr. Vallejo-Sinavsky practices at South Valley Health Center in Palmdale, California.
Dr. Vallejo-Sinavsky's NPI, 1013042357, was assigned on February 23, 2007. Dr. Vallejo-Sinavsky graduated from University of Santo Tomas in 1969. Dr. Vallejo-Sinavsky's California license number on file is C42618.
- NPI
- 1013042357NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698828424
- NPI enumeration date
- February 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (661) 272-5001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 83
- Medical school graduation
- 1969
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Violeta Vallejo-Sinavsky practices at South Valley Health Center in Palmdale, California
Dr. Vallejo-Sinavsky's primary practice is South Valley Health Center, at 38350 40th E St, Palmdale, CA 93552 in Los Angeles County. The practice phone is (661) 272-5001.
- South Valley Health Center38350 40th E St, Palmdale, CA 93552 · Los Angeles CountyPhone(661) 272-5001
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Violeta Vallejo-Sinavsky is affiliated with 2 sites of care and 1 medical group
Dr. Vallejo-Sinavsky's primary practice is South Valley Health Center in Palmdale, California. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Vallejo-Sinavsky to 1 more group practice or clinic, 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. Violeta Vallejo-Sinavsky's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vallejo-Sinavsky practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South Valley Health Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Violeta Vallejo-Sinavsky is one of 16,751 internists in California
Internal medicine is Dr. Vallejo-Sinavsky's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Vallejo-Sinavsky's licenses on file in 4 states: California, New York, Illinois and Wisconsin.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
- Illinois license
- Wisconsin license
Clinical focus
Dmand AI lists pneumonia, skin cyst and UTI among the conditions Dr. Vallejo-Sinavsky treats.
Internists near Dr. Vallejo-Sinavsky
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. Violeta Vallejo-Sinavsky billed Medicare for 47 services in 2024
CMS data shows 47 Medicare services from Dr. Vallejo-Sinavsky across 3 procedure codes in 2024, for 26 Medicare patients. Medicare paid $1,346 for them. Every service was in an office.
Dr. Vallejo-Sinavsky's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Surgery
- 2022: 02024: 17
- Office and hospital visits
- 2022: 132024: 1731%
- Lab and pathology
- 2022: 02024: 13
Dr. Vallejo-Sinavsky compared with the California median for internists, 2024
- Dr. Vallejo-Sinavsky
- California median
- Medicare services
- 47vs 36187% below
- Medicare patients
- 26vs 15183% below
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Vallejo-Sinavsky'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. Vallejo-Sinavsky?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vallejo-Sinavsky and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Violeta Vallejo-Sinavsky treated 26 Medicare patients in 2024, average age 66
CMS counts 26 Medicare patients who saw Dr. Vallejo-Sinavsky in 2024. The largest group is 65 to 74, with 13 patients. 73% of them have high blood pressure, and 62% have high cholesterol. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Vallejo-Sinavsky's median patient age at 41, with 57% women.
Dr. Vallejo-Sinavsky's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Vallejo-Sinavsky's Medicare patients, 2024
- High blood pressure73%
- High cholesterol62%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vallejo-Sinavsky's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Violeta Vallejo-Sinavsky wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Vallejo-Sinavsky wrote 51 Medicare Part D claims for 24 patients. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $101 in total drug cost. In 2018, CMS named 12 claims across 1 drug.
Dr. Vallejo-Sinavsky's Part D claims by kind of drug, 2024
- Generic45 claims88%
- Brand-name and other6 claims12%
Dr. Vallejo-Sinavsky's most prescribed drugs by claims, 2019
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. Vallejo-Sinavsky's Part D claims, 2024
- Antibiotics29%15 of 51 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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 122019: 118%
Drugs named by CMS: 1 in 2019, 1 in 2018.
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. Violeta Vallejo-Sinavsky offers telehealth to Medicare patients
Dr. Vallejo-Sinavsky accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Vallejo-Sinavsky as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Violeta Vallejo-Sinavsky received $55 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Vallejo-Sinavsky from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. GRT US Holding, Inc. paid the most, $55.
Companies that paid Dr. Vallejo-Sinavsky the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Violeta Vallejo-Sinavsky graduated from University of Santo Tomas
Dr. Vallejo-Sinavsky graduated from University of Santo Tomas in 1969.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Violeta Vallejo-Sinavsky accepts plans from 3 insurance carriers
Dr. Vallejo-Sinavsky is in network with 3 carriers, including Blue Cross Blue Shield of Michigan, LA Care and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- LA Care
- CMS Medicare
Plan types Dr. Vallejo-Sinavsky accepts, by number of carriers
- HMO2
- Medicaid1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Violeta Vallejo-Sinavsky'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) |
| 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. Violeta Vallejo-Sinavsky
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. Violeta Vallejo-Sinavsky's NPI number?
Dr. Violeta Vallejo-Sinavsky's NPI number is 1013042357. It was assigned on February 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Violeta Vallejo-Sinavsky?
Dr. Violeta Vallejo-Sinavsky is an internist in Palmdale, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Violeta Vallejo-Sinavsky practice?
Dr. Vallejo-Sinavsky practices at 38350 40th E St, Palmdale, CA 93552. Dr. Vallejo-Sinavsky's primary practice is South Valley Health Center in Palmdale, California. Dmand AI also links Dr. Vallejo-Sinavsky to 1 group practice or clinic.
What is Dr. Violeta Vallejo-Sinavsky's office phone number?
The practice phone on file for Dr. Vallejo-Sinavsky is (661) 272-5001.
What is Dr. Violeta Vallejo-Sinavsky's medical license number?
Dr. Vallejo-Sinavsky's California license number on file is C42618, one of the licenses on file in 4 states.
Which states has Dr. Violeta Vallejo-Sinavsky been licensed in?
Dmand AI has state licenses on file for Dr. Vallejo-Sinavsky in California (1989 to 2025), New York (since 1973), Illinois (1977 to 1990) and Wisconsin (1977 to 1978).
What medical group is Dr. Violeta Vallejo-Sinavsky part of?
Dr. Vallejo-Sinavsky is linked to Harbor-UCLA Medical Center.
Does Dr. Violeta Vallejo-Sinavsky accept Medicare?
Yes. CMS data shows Dr. Vallejo-Sinavsky billed Medicare for 47 services in 2024, and Dr. Vallejo-Sinavsky accepts Medicare assignment.
Does Dr. Violeta Vallejo-Sinavsky offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Vallejo-Sinavsky as offering telehealth services.
How many Medicare patients does Dr. Violeta Vallejo-Sinavsky see?
CMS counts 26 Medicare patients who saw Dr. Vallejo-Sinavsky in 2024, with an average age of 66.
Show 6 more questionsShow fewer questions
What services does Dr. Violeta Vallejo-Sinavsky bill to Medicare?
In 2024, Dr. Vallejo-Sinavsky's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99213) and lab and pathology test (85025).
Where did Dr. Violeta Vallejo-Sinavsky go to medical school?
Dr. Vallejo-Sinavsky graduated from University of Santo Tomas in 1969.
What drugs does Dr. Violeta Vallejo-Sinavsky prescribe most?
In 2019 Medicare Part D data, Dr. Vallejo-Sinavsky's most prescribed drugs by claims were Cephalexin.
Has Dr. Violeta Vallejo-Sinavsky received payments from drug or device companies?
CMS Open Payments shows $55 in general payments to Dr. Vallejo-Sinavsky from 1 company from 2022 to 2022. The largest total came from GRT US Holding, Inc.
How long has Dr. Violeta Vallejo-Sinavsky been practicing?
Dr. Vallejo-Sinavsky graduated from medical school in 1969, 57 years ago.
What insurance does Dr. Violeta Vallejo-Sinavsky accept?
Dr. Vallejo-Sinavsky is in network with 3 carriers, including Blue Cross Blue Shield of Michigan, LA Care and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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