Dr. Joseph Nabil Riad, MD

  • Orinda, CA
  • Colorectal surgeon
NPI1720493729PAC ID9537567607
Medicare services, 2024
33
Medicare patients, 2024
82
Part D claims, 2024
128
Publications
4
Hospital affiliations
4
Practice address
12 Camino Encinas, Orinda, CA 94563-3304
Practice phone
Call (510) 204-8180
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sutter East Bay Medical Foundation

Multi-specialty group site · Orinda, California

See all 12 affiliations

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Dr. Joseph Nabil Riad is a colorectal surgeon in Orinda, California

Dr. Riad practices at Sutter East Bay Medical Foundation in Orinda, California.

Dr. Riad's NPI, 1720493729, was assigned on June 27, 2014. Dr. Riad graduated from Cairo University School of Medicine in 2005. Dr. Riad holds New York license 304104.

NPI and contact details
Medicare PAC ID
9537567607
NPI enumeration date
June 27, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(510) 204-8180
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Male
Estimated age
47
Medical school graduation
2005

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

Dr. Joseph Nabil Riad practices at Sutter East Bay Medical Foundation in Orinda, California

Dr. Riad's primary practice is Sutter East Bay Medical Foundation, at 12 Camino Encinas, Orinda, CA 94563-3304. The practice phone is (510) 204-8180.

  • Sutter East Bay Medical Foundation
    12 Camino Encinas, Orinda, CA 94563-3304Phone(510) 204-8180

Source: Dmand AI Affiliation Data

Dr. Joseph Nabil Riad is affiliated with 8 sites of care and 4 medical groups

Dr. Riad's primary practice is Sutter East Bay Medical Foundation in Orinda, California. Dr. Riad is also affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Riad to 3 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.

See all 12 affiliations for Dr. Riad

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Joseph Nabil Riad's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riad practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sutter East Bay Medical FoundationAvailable with a free account
+7 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joseph Nabil Riad is one of 187 colorectal surgeons in California

Colon and rectal surgery is Dr. Riad's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Riad is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Riad's licenses on file in 5 states: New York, California, New Jersey, Florida and Ohio.

Specialties and state licenses

  • Colon and rectal surgery, New YorkPrimaryLicense 304104 · 2020 to 2026 · taxonomy 208C00000X
  • California license2025 to 2027
  • New Jersey license2022 to 2025
  • Surgery, FloridaLicense ME152633 · 2021 to 2024 · taxonomy 208600000X
  • Ohio license2019 to 2022

Clinical focus

Dmand AI lists colonoscopy, colon removal, groin hernia surgery and hemorrhoids among the conditions Dr. Riad treats.

Colorectal surgeons near Dr. Riad

Counts of colorectal surgeons 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. Joseph Nabil Riad billed Medicare for 33 services in 2024

CMS data shows 33 Medicare services from Dr. Riad across 2 procedure codes in 2024, for 82 Medicare patients. Medicare paid $3,391 for them. Every service was in an office.

Medicare services, 202433
Medicare patients82
Paid by Medicare$3,391
Procedure codes2

Dr. Riad's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 142024: 2043%
Surgery
2023: 02024: 13

Dr. Riad compared with the California median for colorectal surgeons, 2024

  • Dr. Riad
  • California median
Medicare services
33vs 27088% below
Medicare patients
82vs 15547% below
Part D claims
95vs 7134% above

Medians across 175 colorectal surgeons in California with Dmand AI profiles that report each measure.

Dr. Riad'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.

See all procedures by Dr. Riad

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riad and other colorectal surgeons in California.

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

Dr. Joseph Nabil Riad treated 82 Medicare patients in 2024, average age 74

CMS counts 82 Medicare patients who saw Dr. Riad in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.93, 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. Riad's median patient age at 55, with 48% women.

Medicare patients, 202482
Average age74
Average risk score1.93
Also on Medicaid38%

Dr. Riad's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Riad's Medicare patients by sex, 2024

  • Women4251%
  • Men4049%

Chronic conditions among Dr. Riad's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis57%
  4. Diabetes41%
  5. Mood disorders37%
  6. Ischemic heart disease35%
  7. Anxiety34%
  8. Chronic kidney disease34%

Share of Medicare patients with each condition. A patient can have several.

Dr. Riad's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women48%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Joseph Nabil Riad wrote 128 Medicare Part D claims in 2024

In 2024, Dr. Riad wrote 128 Medicare Part D claims for 70 patients. 99% of them were for generic drugs. CMS names the drug for 95 of them, across 5 drugs with 11 or more claims each, at $901 in total drug cost. In 2023, CMS named 21 claims across 1 drug.

Part D claims, 2024128
Drugs named by CMS5
Total drug cost$901
Part D patients70

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

  • Generic127 claims99%
  • Brand-name and other1 claims1%

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

  • Antibiotics25%32 of 128 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: 212024: 95352%

Drugs named by CMS: 5 in 2024, 1 in 2023.

See all prescribing by Dr. Riad

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. Joseph Nabil Riad takes part in Medicare

Dr. Riad accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Joseph Nabil Riad has 4 publications on record

Dmand AI links 4 papers to Dr. Riad, published from 2012 to 2022. Dr. Riad's most frequent co-authors are Ramy Magdy Hanna, MD, Conor Holland, DO and Jaswant Madhavan, MD.

Papers4
Years published2012 to 2022

Dr. Riad's papers by year, 2012 to 2022

Dr. Riad's most frequent co-authors

Recent publications by Dr. Riad

See all 4 publications and co-authors

See who Dr. Riad researches with

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

How network discovery works

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

Dr. Joseph Nabil Riad received $4,384 in industry payments from 2020 to 2024

CMS Open Payments shows 25 general payments to Dr. Riad from 8 drug and device companies from 2020 to 2024. Travel and lodging make up the largest share, 62% of the total. Intuitive Surgical, Inc. paid the most, $2,970.

General payments to Dr. Riad by program year, 2020 to 2024

General payments to Dr. Riad by kind, 2020 to 2024

$4.4Kin total
  • Travel and lodging$2,71462%
  • Education$1,00023%
  • Food and beverage$65715%
  • Gifts$140%

Companies that paid Dr. Riad the most, 2020 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Riad

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

Dr. Joseph Nabil Riad graduated from Cairo University School of Medicine

Dr. Riad graduated from Cairo University School of Medicine in 2005.

  1. Medical schoolCairo University School of Medicine
  2. Board certified in colon & rectal surgeryAmerican Board of Colon and Rectal Surgery
  3. Board certified in surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Joseph Nabil Riad accepts plans from 17 insurance carriers

Dr. Riad is in network with 17 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Elevance
  • Aetna
  • Excellus BlueCross BlueShield
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • +9 more carriersWith a free account

Plan types Dr. Riad accepts, by number of carriers

  1. PPO11
  2. Medicare10
  3. HMO9
  4. POS6
  5. EPO5
  6. Medicaid3

Source: Dmand AI Insurance Network Data

Sources for Dr. Joseph Nabil Riad'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)Doctors and Clinicians Utilization Data (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. Joseph Nabil Riad

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. Joseph Nabil Riad's NPI number?

Dr. Joseph Nabil Riad's NPI number is 1720493729. It was assigned on June 27, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph Nabil Riad?

Dr. Joseph Nabil Riad is a colorectal surgeon in Orinda, California. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).

Where does Dr. Joseph Nabil Riad practice?

Dr. Riad practices at 12 Camino Encinas, Orinda, CA 94563-3304. Dr. Riad's primary practice is Sutter East Bay Medical Foundation in Orinda, California. Dmand AI also links Dr. Riad to 3 hospitals, 3 group practices and clinics and 3 medical groups.

What is Dr. Joseph Nabil Riad's office phone number?

The practice phone on file for Dr. Riad is (510) 204-8180.

What is Dr. Joseph Nabil Riad's medical license number?

Dr. Riad holds New York license 304104, one of the licenses on file in 5 states.

Which states has Dr. Joseph Nabil Riad been licensed in?

Dmand AI has state licenses on file for Dr. Riad in New York (2020 to 2026), California (2025 to 2027), New Jersey (2022 to 2025), Florida (2021 to 2024) and Ohio (2019 to 2022).

Which hospitals is Dr. Joseph Nabil Riad affiliated with?

Dr. Riad is affiliated with NewYork-Presbyterian/Weill Cornell Medical Center. Dmand AI links Dr. Riad to 3 more hospitals.

What medical group is Dr. Joseph Nabil Riad part of?

Dr. Riad is linked to Palo Alto Foundation Medical Group. Dmand AI links Dr. Riad to 3 more medical groups.

Does Dr. Joseph Nabil Riad accept Medicare?

Yes. CMS data shows Dr. Riad billed Medicare for 33 services in 2024, and Dr. Riad accepts Medicare assignment.

How many Medicare patients does Dr. Joseph Nabil Riad see?

CMS counts 82 Medicare patients who saw Dr. Riad in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Joseph Nabil Riad board certified?

Yes. Dr. Riad is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.

What services does Dr. Joseph Nabil Riad bill to Medicare?

In 2024, Dr. Riad's most billed Medicare services were office visit, established patient (99214) and surgery: digestive system (46600).

Where did Dr. Joseph Nabil Riad go to medical school?

Dr. Riad graduated from Cairo University School of Medicine in 2005.

What drugs does Dr. Joseph Nabil Riad prescribe most?

In 2024 Medicare Part D data, Dr. Riad's most prescribed drugs by claims were Hydrocortisone, Gavilyte-G and Procto-Med Hc.

Has Dr. Joseph Nabil Riad received payments from drug or device companies?

CMS Open Payments shows $4,384 in general payments to Dr. Riad from 8 companies from 2020 to 2024. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Joseph Nabil Riad been practicing?

Dr. Riad graduated from medical school in 2005, 21 years ago.

Does Dr. Joseph Nabil Riad do research?

Dmand AI links 4 publications to Dr. Riad, published from 2012 to 2022.

Who does Dr. Joseph Nabil Riad publish with?

Dr. Riad's most frequent co-authors are Ramy Magdy Hanna, MD (2 shared papers), Conor Holland, DO (1 shared paper) and Jaswant Madhavan, MD (1 shared paper).

What insurance does Dr. Joseph Nabil Riad accept?

Dr. Riad is in network with 17 carriers, including Elevance, Aetna and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

Selling to colon and rectal surgery practices?

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