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Dr. Robert H. Weiss, MD

  • Antioch, CA
  • Nephrologist
NPI1336124346
Medicare services, 2018
311
Publications
2
Industry payments
$6,935
State license
1
Year NPI issued
2005
Practice address
4501 Sand Creek Rd, Antioch, CA 94531
Practice phone
Call (916) 734-3014
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Robert H. Weiss is a nephrologist in Antioch, California

Dr. Weiss practices in Antioch, California.

Dr. Weiss' NPI, 1336124346, was assigned on December 13, 2005. Dr. Weiss holds California license G055307.

NPI and contact details
NPI
1336124346NPI Registry (opens in a new tab)
NPI enumeration date
December 13, 2005
NPI status
Active
Practice phone
(916) 734-3014
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male

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

Dr. Robert H. Weiss' practice address is in Antioch, California

Dr. Weiss' practice address in the NPI Registry is 4501 Sand Creek Rd, Antioch, CA 94531, in Contra Costa County. The practice phone is (916) 734-3014.

  • NPI Registry address
    4501 Sand Creek Rd, Antioch, CA 94531 · Contra Costa CountyPhone(916) 734-3014

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

Dmand AI tracks the EHR system at Dr. Robert H. Weiss' practice

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

EHR by site
SiteEHR vendor and product
Dr. Weiss' practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert H. Weiss is one of 1,401 nephrologists in California

Nephrology is Dr. Weiss' primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Weiss is licensed in California.

Specialties and state licenses

  • Nephrology, CaliforniaPrimaryLicense G055307 · taxonomy 207RN0300X

Nephrologists near Dr. Weiss

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

1,401nephrologists in California12nephrologists in Antioch

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert H. Weiss billed Medicare for 311 services in 2018

CMS data shows 311 Medicare services from Dr. Weiss across 5 procedure codes in 2018. Medicare paid $25,947 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2018311
Paid by Medicare$25,947
Procedure codes5

Dr. Weiss' Medicare services by type, 2017 to 2018

  • 2017
  • 2018
Office and hospital visits
2017: 3202018: 26318%
Tests and treatments
2017: 652018: 4826%

Dr. Weiss compared with the California median for nephrologists, 2018

  • Dr. Weiss
  • California median
Medicare services
311vs 1,08471% below

Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.

Dr. Weiss' 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.

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

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Dr. Robert H. Weiss has 2 publications on record

Dmand AI links 2 papers to Dr. Weiss in 2011. The most frequent topics are CD4-Positive T-Lymphocytes, Cyclin-Dependent Kinase Inhibitor p21 and HIV-1.

Papers2

Topics Dr. Weiss writes about most

  • CD4-Positive T-Lymphocytes
  • Cyclin-Dependent Kinase Inhibitor p21
  • HIV-1
  • Up-Regulation
  • Virus Replication

Recent publications by Dr. Weiss

See all 2 publications and co-authors

See who Dr. Weiss researches with

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

How network discovery works

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

Dr. Robert H. Weiss received $6,935 in industry payments from 2017 to 2024

CMS Open Payments shows 28 general payments to Dr. Weiss from 6 drug and device companies from 2017 to 2024. Speaker and faculty fees make up the largest share, 34% of the total. Otsuka Pharmaceutical Development & Commercialization, Inc. paid the most, $3,409.

General payments to Dr. Weiss by program year, 2017 to 2024

General payments to Dr. Weiss by kind, 2017 to 2024

$6.9Kin total
  • Speaker and faculty fees$2,35634%
  • Consulting fees$2,24032%
  • Travel and lodging$1,59023%
  • Food and beverage$74611%
  • Education$30%

Companies that paid Dr. Weiss the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Weiss

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

Sources for Dr. Robert H. Weiss'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
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
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)
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. Robert H. Weiss

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. Robert H. Weiss' NPI number?

Dr. Robert H. Weiss' NPI number is 1336124346. It was assigned on December 13, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert H. Weiss?

Dr. Robert H. Weiss is a nephrologist in Antioch, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Robert H. Weiss practice?

Dr. Weiss practices at 4501 Sand Creek Rd, Antioch, CA 94531.

What is Dr. Robert H. Weiss' office phone number?

The practice phone on file for Dr. Weiss is (916) 734-3014.

What is Dr. Robert H. Weiss' medical license number?

Dr. Weiss holds California license G055307.

Does Dr. Robert H. Weiss accept Medicare?

Yes. CMS data shows Dr. Weiss billed Medicare for 311 services in 2018.

What services does Dr. Robert H. Weiss bill to Medicare?

In 2018, Dr. Weiss' most billed Medicare services were hospital inpatient care (99233), dialysis (90935) and hospital inpatient care (99232).

Has Dr. Robert H. Weiss received payments from drug or device companies?

CMS Open Payments shows $6,935 in general payments to Dr. Weiss from 6 companies from 2017 to 2024. The largest total came from Otsuka Pharmaceutical Development & Commercialization, Inc.

How long has Dr. Robert H. Weiss been practicing?

Dr. Weiss' NPI was assigned in 2005.

Does Dr. Robert H. Weiss do research?

Dmand AI links 2 publications to Dr. Weiss.

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