Dr. Samuel J. Wong, DO
- Medicare services, 2024
- 1,049
- Medicare patients, 2024
- 364
- Part D claims, 2024
- 939
- Hospital affiliations
- 2
- Industry payments
- $291
- Practice address
- 2905 Telegraph Ave, Berkeley, CA 94705
- Practice phone
- Call (510) 568-5849
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alameda County Dialysis
Berkeley, California
Find Dr. Wong'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. Samuel J. Wong is a nephrologist in Berkeley, California
Dr. Wong practices at Alameda County Dialysis in Berkeley, California.
Dr. Wong's NPI, 1215034905, was assigned on September 17, 2006. Dr. Wong graduated from WesternU College of Osteopathic Medicine of the Pacific in 1988. Dr. Wong holds California license 20A5983.
- NPI
- 1215034905NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234165697
- NPI enumeration date
- September 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 568-5849
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Samuel J. Wong practices at Alameda County Dialysis in Berkeley, California
Dr. Wong's primary practice is Alameda County Dialysis, at 2905 Telegraph Ave, Berkeley, CA 94705 in Alameda County. The practice phone is (510) 568-5849.
- Alameda County Dialysis2905 Telegraph Ave, Berkeley, CA 94705 · Alameda CountyPhone(510) 568-5849
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Samuel J. Wong is affiliated with 6 sites of care and 2 medical groups
Dr. Wong's primary practice is Alameda County Dialysis in Berkeley, California. Dr. Wong is also affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. The medical group on file is East Bay Nephrology Medical Group. Dmand AI also links Dr. Wong to 1 more hospital, 2 group practices and clinics, 1 dialysis center and 1 medical group, each named with a free account.
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. Samuel J. Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wong practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alameda County Dialysis | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Samuel J. Wong is one of 1,401 nephrologists in California
Nephrology is Dr. Wong's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Wong is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Wong's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Wong treats.
Nephrologists near Dr. Wong
Counts of nephrologists 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. Samuel J. Wong billed Medicare for 1,049 services in 2024
CMS data shows 1,049 Medicare services from Dr. Wong across 16 procedure codes in 2024, for 364 Medicare patients. Medicare paid $153,056 for them.
Dr. Wong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4412024: 54524%
- Tests and treatments
- 2023: 4092024: 3729%
- Surgery
- 2023: 1172024: 1069%
- Imaging
- 2023: 112024: 1536%
- Other services
- 2023: 02024: 11
Where Dr. Wong's Medicare services took place, 2024
- In an office40138%
- In a facility64862%
Dr. Wong compared with the California median for nephrologists, 2024
- Dr. Wong
- California median
- Medicare services
- 1,049vs 1,084Close to median
- Medicare patients
- 364vs 30719% above
- Part D claims
- 754vs 95521% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Wong'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.
Need commercial claims for Dr. Wong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wong and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Samuel J. Wong treated 364 Medicare patients in 2024, average age 72
CMS counts 364 Medicare patients who saw Dr. Wong in 2024. The largest group is 65 to 74, with 124 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 63% are also on Medicaid. Their average risk score is 6.20, 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. Wong's median patient age at 65, with 36% women.
Dr. Wong's Medicare patients by age, 2024
Dr. Wong's Medicare patients by sex, 2024
- Women15743%
- Men20757%
Chronic conditions among Dr. Wong's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes67%
- Heart failure55%
- Ischemic heart disease45%
- Mood disorders38%
- Arthritis37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wong'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
- Women36%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Samuel J. Wong wrote 939 Medicare Part D claims in 2024
In 2024, Dr. Wong wrote 939 Medicare Part D claims for 107 patients. 76% of them were for generic drugs. CMS names the drug for 754 of them, across 25 drugs with 11 or more claims each, at $162,677 in total drug cost. In 2023, CMS named 628 claims across 22 drugs.
Dr. Wong's Part D claims by kind of drug, 2024
- Generic714 claims76%
- Brand-name225 claims24%
Dr. Wong'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6282024: 75420%
Drugs named by CMS: 25 in 2024, 22 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. Samuel J. Wong offers telehealth to Medicare patients
Dr. Wong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Samuel J. Wong received $291 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Wong from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. W. L. Gore & Associates, Inc. paid the most, $84.
General payments to Dr. Wong by program year, 2016 to 2025
General payments to Dr. Wong by kind, 2016 to 2025
- Food and beverage$28899%
- Education$31%
Companies that paid Dr. Wong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Samuel J. Wong has 1 award and honors on record
Dmand AI lists 1 award for Dr. Wong, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Wong
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Samuel J. Wong graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Wong graduated from WesternU College of Osteopathic Medicine of the Pacific in 1988.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Samuel J. Wong accepts plans from 15 insurance carriers
Dr. Wong is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Wong accepts, by number of carriers
- Medicare10
- PPO10
- HMO6
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Samuel J. Wong'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Samuel J. Wong
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. Samuel J. Wong's NPI number?
Dr. Samuel J. Wong's NPI number is 1215034905. It was assigned on September 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Samuel J. Wong?
Dr. Samuel J. Wong is a nephrologist in Berkeley, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Samuel J. Wong practice?
Dr. Wong practices at 2905 Telegraph Ave, Berkeley, CA 94705. Dr. Wong's primary practice is Alameda County Dialysis in Berkeley, California. Dmand AI also links Dr. Wong to 1 hospital, 2 group practices and clinics, 1 dialysis center and 1 medical group.
What is Dr. Samuel J. Wong's office phone number?
The practice phone on file for Dr. Wong is (510) 568-5849.
What is Dr. Samuel J. Wong's medical license number?
Dr. Wong holds California license 20A5983, one of the licenses on file in 2 states.
Which states has Dr. Samuel J. Wong been licensed in?
Dmand AI has state licenses on file for Dr. Wong in California (1990 to 2026) and Illinois (2004 to 2014).
Which hospitals is Dr. Samuel J. Wong affiliated with?
Dr. Wong is affiliated with Alta Bates Summit Medical Center | Alta Bates Campus. Dmand AI links Dr. Wong to 1 more hospital.
What medical group is Dr. Samuel J. Wong part of?
Dr. Wong is linked to East Bay Nephrology Medical Group. Dmand AI links Dr. Wong to 1 more medical group.
Does Dr. Samuel J. Wong accept Medicare?
Yes. CMS data shows Dr. Wong billed Medicare for 1,049 services in 2024, and Dr. Wong accepts Medicare assignment.
Does Dr. Samuel J. Wong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wong as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Samuel J. Wong see?
CMS counts 364 Medicare patients who saw Dr. Wong in 2024, with an average age of 72.
Is Dr. Samuel J. Wong board certified?
Yes. Dr. Wong is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Samuel J. Wong bill to Medicare?
In 2024, Dr. Wong's most billed Medicare services were dialysis (90960), hospital inpatient care (99232) and office visit, established patient (99214).
Where did Dr. Samuel J. Wong go to medical school?
Dr. Wong graduated from WesternU College of Osteopathic Medicine of the Pacific in 1988.
What drugs does Dr. Samuel J. Wong prescribe most?
In 2024 Medicare Part D data, Dr. Wong's most prescribed drugs by claims were Farxiga, Amlodipine Besylate and Lisinopril.
Has Dr. Samuel J. Wong received payments from drug or device companies?
CMS Open Payments shows $291 in general payments to Dr. Wong from 10 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.
How long has Dr. Samuel J. Wong been practicing?
Dr. Wong graduated from medical school in 1988, 38 years ago.
What insurance does Dr. Samuel J. Wong accept?
Dr. Wong is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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