Dr. Reza Sianati, MD
- Medicare services, 2024
- 98
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 433
- Hospital affiliations
- 1
- Industry payments
- $110
- Practice address
- 6600 Bruceville Road, Sacramento, CA 95823
- Practice phone
- Call (916) 688-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sianati'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. Reza Sianati is a hospitalist in Sacramento, California
Dr. Sianati practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
Dr. Sianati's NPI, 1730267477, was assigned on November 1, 2006. Dr. Sianati graduated from Shahid Beheshti University of Medical Sciences in 1997. Dr. Sianati holds California license A82751.
- NPI
- 1730267477NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466632740
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 688-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Reza Sianati practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California
Dr. Sianati's primary practice is Kaiser Permanente South Sacramento Medical Center, at 6600 Bruceville Road, Sacramento, CA 95823 in Sacramento County. The practice phone is (916) 688-2000.
- Kaiser Permanente South Sacramento Medical Center6600 Bruceville Road, Sacramento, CA 95823 · Sacramento CountyPhone(916) 688-2000
Source: Dmand AI Affiliation Data
Dr. Reza Sianati is affiliated with 1 site of care and 1 medical group
Dr. Sianati's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Reza Sianati's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sianati practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente South Sacramento Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Reza Sianati is one of 3,186 hospitalists in California
Hospitalist is Dr. Sianati's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Sianati is board certified in internal medicine by the American Board of Internal Medicine. Dr. Sianati is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, congestive heart failure, heart attack, liver disease, pneumonia and respiratory infection, sepsis and stroke among the conditions Dr. Sianati treats.
Hospitalists near Dr. Sianati
Counts of hospitalists 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. Reza Sianati billed Medicare for 98 services in 2024
CMS data shows 98 Medicare services from Dr. Sianati across 2 procedure codes in 2024, for 47 Medicare patients. Medicare paid $6,109 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sianati's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1292024: 9824%
Dr. Sianati compared with the California median for hospitalists, 2024
- Dr. Sianati
- California median
- Medicare services
- 98vs 43077% below
- Medicare patients
- 47vs 20177% below
- Part D claims
- 202vs 692.9 times
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Sianati'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sianati and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Reza Sianati treated 47 Medicare patients in 2024, average age 73
CMS counts 47 Medicare patients who saw Dr. Sianati in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 77% are also on Medicaid. Their average risk score is 2.71, 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. Sianati's median patient age at 71, with 48% women.
Dr. Sianati's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sianati's Medicare patients by sex, 2024
- Women2451%
- Men2349%
Chronic conditions among Dr. Sianati's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis53%
- Chronic kidney disease51%
- Heart failure49%
- Diabetes47%
- Mood disorders40%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sianati's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Reza Sianati wrote 433 Medicare Part D claims in 2024
In 2024, Dr. Sianati wrote 433 Medicare Part D claims for 163 patients. 87% of them were for generic drugs. CMS names the drug for 202 of them, across 11 drugs with 11 or more claims each, at $2,584 in total drug cost. In 2023, CMS named 219 claims across 12 drugs.
Dr. Sianati's Part D claims by kind of drug, 2024
- Generic378 claims87%
- Brand-name and other55 claims13%
Dr. Sianati'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. Sianati's Part D claims, 2024
- Antibiotics17%75 of 433 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: 2192024: 2028%
Drugs named by CMS: 11 in 2024, 12 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. Reza Sianati takes part in Medicare
Dr. Sianati 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. Reza Sianati received $110 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Sianati from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $110.
Companies that paid Dr. Sianati the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Reza Sianati graduated from Shahid Beheshti University of Medical Sciences
Dr. Sianati graduated from Shahid Beheshti University of Medical Sciences in 1997. Dr. Sianati is a member of ACP.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Reza Sianati accepts plans from 2 insurance carriers
Dr. Sianati 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. Sianati accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Reza Sianati'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. Reza Sianati
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. Reza Sianati's NPI number?
Dr. Reza Sianati's NPI number is 1730267477. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Reza Sianati?
Dr. Reza Sianati is a hospitalist in Sacramento, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Reza Sianati practice?
Dr. Sianati practices at 6600 Bruceville Road, Sacramento, CA 95823. Dr. Sianati's primary practice is Kaiser Permanente South Sacramento Medical Center in Sacramento, California, part of Kaiser Permanente.
What is Dr. Reza Sianati's office phone number?
The practice phone on file for Dr. Sianati is (916) 688-2000.
What is Dr. Reza Sianati's medical license number?
Dr. Sianati holds California license A82751.
Which hospitals is Dr. Reza Sianati affiliated with?
Dr. Sianati practices at Kaiser Permanente South Sacramento Medical Center in Sacramento, California.
What medical group is Dr. Reza Sianati part of?
Dr. Sianati is linked to The Permanente Medical Group, Inc.
Does Dr. Reza Sianati accept Medicare?
Yes. CMS data shows Dr. Sianati billed Medicare for 98 services in 2024, and Dr. Sianati accepts Medicare assignment.
How many Medicare patients does Dr. Reza Sianati see?
CMS counts 47 Medicare patients who saw Dr. Sianati in 2024, with an average age of 73.
Is Dr. Reza Sianati board certified?
Yes. Dr. Sianati is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Reza Sianati bill to Medicare?
In 2024, Dr. Sianati's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Dr. Reza Sianati go to medical school?
Dr. Sianati graduated from Shahid Beheshti University of Medical Sciences in 1997.
What drugs does Dr. Reza Sianati prescribe most?
In 2024 Medicare Part D data, Dr. Sianati's most prescribed drugs by claims were Atorvastatin Calcium, Cefpodoxime Proxetil and Furosemide.
Has Dr. Reza Sianati received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Dr. Sianati from 1 company from 2018 to 2018. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Reza Sianati been practicing?
Dr. Sianati graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Reza Sianati accept?
Dr. Sianati 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.
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