Dr. Byron Rastegari, DO
- Medicare services, 2023
- 27
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 8,062
- Industry payments
- $130
- Affiliated sites
- 3
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, California
Find Dr. Rastegari'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. Byron Rastegari is an internist in Bellflower, California
Dr. Rastegari practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Dr. Rastegari's NPI, 1912550880, was assigned on July 19, 2019. Dr. Rastegari holds California license 20A20280.
- NPI
- 1912550880NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456771955
- NPI enumeration date
- July 19, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Byron Rastegari practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Dr. Rastegari's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.
- Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Dr. Byron Rastegari is affiliated with 3 sites of care and 1 medical group
Dr. Rastegari's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Rastegari to 1 more breast imaging center and 1 group practice or clinic, each named with a free account. Dr. Rastegari's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Byron Rastegari's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rastegari practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Byron Rastegari is one of 16,751 internists in California
Internal medicine is Dr. Rastegari's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rastegari is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Rastegari
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. Byron Rastegari billed Medicare for 27 services in 2023
CMS data shows 27 Medicare services from Dr. Rastegari across 1 procedure code in 2023, all of them office visits, for 16 Medicare patients. Medicare paid $2,108 for them. Every service was in an office.
Dr. Rastegari compared with the California median for internists, 2023
- Dr. Rastegari
- California median
- Medicare services
- 27vs 36193% below
- Medicare patients
- 16vs 15189% below
- Part D claims
- 7,403vs 42117.6 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Rastegari's most billed Medicare procedure codes, 2023
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. Rastegari and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Byron Rastegari treated 16 Medicare patients in 2024, average age 68
CMS counts 16 Medicare patients who saw Dr. Rastegari in 2024. 75% of them have high blood pressure, and 69% have diabetes. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rastegari's median patient age at 65, with 62% women.
Chronic conditions among Dr. Rastegari's Medicare patients, 2024
- High blood pressure75%
- Diabetes69%
- High cholesterol69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rastegari's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Byron Rastegari wrote 8,062 Medicare Part D claims in 2024
In 2024, Dr. Rastegari wrote 8,062 Medicare Part D claims for 1,022 patients. 88% of them were for generic drugs. CMS names the drug for 7,403 of them, across 101 drugs with 11 or more claims each, at $282,457 in total drug cost. In 2023, CMS named 5,136 claims across 91 drugs.
Dr. Rastegari's Part D claims by kind of drug, 2024
- Generic7,108 claims88%
- Brand-name790 claims10%
- Other164 claims2%
Dr. Rastegari'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. Rastegari's Part D claims, 2024
- Opioids1%116 of 8,062 claims
- Antibiotics2%134 of 8,062 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: 5,1362024: 7,40344%
Drugs named by CMS: 101 in 2024, 91 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. Byron Rastegari offers telehealth to Medicare patients
Dr. Rastegari accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rastegari as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Byron Rastegari received $130 in industry payments from 2021 to 2022
CMS Open Payments shows 2 general payments to Dr. Rastegari from 2 drug and device companies from 2021 to 2022. Food and beverage make up the largest share, 100% of the total. Jazz Pharmaceuticals Inc. paid the most, $120.
General payments to Dr. Rastegari by program year, 2021 to 2022
Companies that paid Dr. Rastegari the most, 2021 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Byron Rastegari'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 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) |
| 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. Byron Rastegari
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. Byron Rastegari's NPI number?
Dr. Byron Rastegari's NPI number is 1912550880. It was assigned on July 19, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Byron Rastegari?
Dr. Byron Rastegari is an internist in Bellflower, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Byron Rastegari practice?
Dr. Rastegari practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Dr. Rastegari's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Dr. Rastegari to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Byron Rastegari's medical license number?
Dr. Rastegari holds California license 20A20280.
What medical group is Dr. Byron Rastegari part of?
Dr. Rastegari is linked to Southern California Permanente Medical Group.
Does Dr. Byron Rastegari accept Medicare?
Yes. CMS data shows Dr. Rastegari billed Medicare for 27 services in 2023, and Dr. Rastegari accepts Medicare assignment.
Does Dr. Byron Rastegari offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rastegari as offering telehealth services.
How many Medicare patients does Dr. Byron Rastegari see?
CMS counts 16 Medicare patients who saw Dr. Rastegari in 2024, with an average age of 68.
What services does Dr. Byron Rastegari bill to Medicare?
In 2023, Dr. Rastegari's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. Byron Rastegari prescribe most?
In 2024 Medicare Part D data, Dr. Rastegari's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Metformin HCl.
Has Dr. Byron Rastegari received payments from drug or device companies?
CMS Open Payments shows $130 in general payments to Dr. Rastegari from 2 companies from 2021 to 2022. The largest total came from Jazz Pharmaceuticals Inc.
How long has Dr. Byron Rastegari been practicing?
Dr. Rastegari graduated from medical school in 2019, 7 years ago.
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