Dr. Siamack Nemazie, MD

  • Stockton, CA
  • Internist
NPI1245322353PAC ID6103928270
Medicare services, 2018
53
Part D claims, 2024
1,642
Publications
2
Hospital affiliations
3
Industry payments
$12
Practice address
7373 West Ln, Stockton, CA 95210
Practice phone
Call (707) 303-2040
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Satellite Dialysis

Stockton, California

See all 5 affiliations

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Dr. Siamack Nemazie is an internist in Stockton, California

Dr. Nemazie practices at Satellite Dialysis in Stockton, California.

Dr. Nemazie's NPI, 1245322353, was assigned on September 28, 2006. Dr. Nemazie graduated from Kasturba Medical College Manipal in 1999. Dr. Nemazie's New York license number on file is 248405.

NPI and contact details
Medicare PAC ID
6103928270
NPI enumeration date
September 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 303-2040
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Siamack Nemazie practices at Satellite Dialysis in Stockton, California

Dr. Nemazie's primary practice is Satellite Dialysis, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (707) 303-2040.

  • Satellite Dialysis
    7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(707) 303-2040

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Siamack Nemazie is affiliated with 4 sites of care and 1 medical group

Dr. Nemazie's primary practice is Satellite Dialysis in Stockton, California. Dr. Nemazie is also affiliated with Brookdale Hospital Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Nemazie to 2 more hospitals, each named with a free account.

See all 5 affiliations for Dr. Nemazie

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Siamack Nemazie's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nemazie practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Satellite DialysisAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Siamack Nemazie is one of 16,751 internists in California

Internal medicine is Dr. Nemazie's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nemazie is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nemazie's licenses on file in 3 states: New York, California and Texas.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 248405 · 2008 to 2019 · taxonomy 207R00000X
  • California license2016 to 2026
  • Texas license2012 to 2013

Clinical focus

Dmand AI lists chronic kidney disease among the conditions Dr. Nemazie treats.

Internists near Dr. Nemazie

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. Siamack Nemazie billed Medicare for 53 services in 2018

CMS data shows 53 Medicare services from Dr. Nemazie across 1 procedure code in 2018. Medicare paid $3,037 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 201853
Paid by Medicare$3,037
Procedure codes1

Dr. Nemazie's Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 1242018: 5357%

Dr. Nemazie compared with the California median for internists, 2018

  • Dr. Nemazie
  • California median
Medicare services
53vs 36185% below
Part D claims
1,370vs 4213.3 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Nemazie's most billed Medicare procedure codes, 2018

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Nemazie

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nemazie and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Siamack Nemazie's patients have a median age of 64

Across all payers, Dmand AI patient panel data puts Dr. Nemazie's median patient age at 64, with 51% women.

Dr. Nemazie'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

  • Women51%
  • Men49%

Source: Dmand AI Patient Panel Data

Dr. Siamack Nemazie wrote 1,642 Medicare Part D claims in 2024

In 2024, Dr. Nemazie wrote 1,642 Medicare Part D claims for 359 patients. 90% of them were for generic drugs. CMS names the drug for 1,370 of them, across 32 drugs with 11 or more claims each, at $192,923 in total drug cost. In 2023, CMS named 1,087 claims across 30 drugs.

Part D claims, 20241,642
Drugs named by CMS32
Total drug cost$192,923
Part D patients359

Dr. Nemazie's Part D claims by kind of drug, 2024

  • Generic1,472 claims90%
  • Brand-name and other170 claims10%

Dr. Nemazie'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. Nemazie's Part D claims, 2024

  • Antibiotics3%45 of 1,642 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: 1,0872024: 1,37026%

Drugs named by CMS: 32 in 2024, 30 in 2023.

See all prescribing by Dr. Nemazie

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. Siamack Nemazie takes part in Medicare

Dr. Nemazie 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. Siamack Nemazie has 2 publications on record

Dmand AI links 2 papers to Dr. Nemazie, published from 2021 to 2024. The most frequent topics are California. Dr. Nemazie has published most often in JAMA Netw Open. Dr. Nemazie's most frequent co-authors are Edward James Durant, MD, Helen L. Hammer, MD and Colin Thomas Iberti, MD.

Papers2
Years published2021 to 2024

Topics Dr. Nemazie writes about most

  • California

Dr. Nemazie's most frequent co-authors

Recent publications by Dr. Nemazie

See all 2 publications and co-authors

See who Dr. Nemazie researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nemazie works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Siamack Nemazie received $12 in industry payments in 2017

CMS Open Payments shows 1 general payment to Dr. Nemazie from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Baxter Healthcare paid the most, $12.

Companies that paid Dr. Nemazie the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Nemazie

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Siamack Nemazie graduated from Kasturba Medical College Manipal

Dr. Nemazie graduated from Kasturba Medical College Manipal in 1999.

  1. Medical schoolKasturba Medical College Manipal
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Siamack Nemazie accepts plans from 2 insurance carriers

Dr. Nemazie 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. Nemazie accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Siamack Nemazie's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Siamack Nemazie

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. Siamack Nemazie's NPI number?

Dr. Siamack Nemazie's NPI number is 1245322353. It was assigned on September 28, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Siamack Nemazie?

Dr. Siamack Nemazie is an internist in Stockton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Siamack Nemazie practice?

Dr. Nemazie practices at 7373 West Ln, Stockton, CA 95210. Dr. Nemazie's primary practice is Satellite Dialysis in Stockton, California. Dmand AI also links Dr. Nemazie to 2 hospitals.

What is Dr. Siamack Nemazie's office phone number?

The practice phone on file for Dr. Nemazie is (707) 303-2040.

What is Dr. Siamack Nemazie's medical license number?

Dr. Nemazie's New York license number on file is 248405, one of the licenses on file in 3 states.

Which states has Dr. Siamack Nemazie been licensed in?

Dmand AI has state licenses on file for Dr. Nemazie in New York (2008 to 2019), California (2016 to 2026) and Texas (2012 to 2013).

Which hospitals is Dr. Siamack Nemazie affiliated with?

Dr. Nemazie is affiliated with Brookdale Hospital Medical Center. Dmand AI links Dr. Nemazie to 2 more hospitals.

What medical group is Dr. Siamack Nemazie part of?

Dr. Nemazie is linked to The Permanente Medical Group, Inc.

Does Dr. Siamack Nemazie accept Medicare?

Yes. CMS data shows Dr. Nemazie billed Medicare for 53 services in 2018, and Dr. Nemazie accepts Medicare assignment.

Is Dr. Siamack Nemazie board certified?

Yes. Dr. Nemazie is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Siamack Nemazie bill to Medicare?

In 2018, Dr. Nemazie's most billed Medicare services were hospital inpatient care (99232).

Where did Dr. Siamack Nemazie go to medical school?

Dr. Nemazie graduated from Kasturba Medical College Manipal in 1999.

What drugs does Dr. Siamack Nemazie prescribe most?

In 2024 Medicare Part D data, Dr. Nemazie's most prescribed drugs by claims were Amlodipine Besylate, Hydralazine HCl and Jardiance.

Has Dr. Siamack Nemazie received payments from drug or device companies?

CMS Open Payments shows $12 in general payments to Dr. Nemazie from 1 company from 2017 to 2017. The largest total came from Baxter Healthcare.

How long has Dr. Siamack Nemazie been practicing?

Dr. Nemazie graduated from medical school in 1999, 27 years ago.

Does Dr. Siamack Nemazie do research?

Dmand AI links 2 publications to Dr. Nemazie, published from 2021 to 2024.

Who does Dr. Siamack Nemazie publish with?

Dr. Nemazie's most frequent co-authors are Edward James Durant, MD (1 shared paper), Helen L. Hammer, MD (1 shared paper) and Colin Thomas Iberti, MD (1 shared paper).

What insurance does Dr. Siamack Nemazie accept?

Dr. Nemazie 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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