Dr. Robert T. Wall Jr., MD
- Medicare services, 2024
- 568
- Medicare patients, 2024
- 202
- Part D claims, 2024
- 332
- Industry payments
- $7,790
- Affiliated sites
- 2
- Practice address
- 18000 Studebaker Rd, Cerritos, CA 90703
- Practice phone
- Call (310) 945-8112
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Oncology Institute - Downey Radiation Oncology
Cerritos, California
Find Dr. Wall's professional email, personal email and mobile number
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Dr. Robert T. Wall Jr. is an internist in Cerritos, California
Dr. Wall practices at The Oncology Institute - Downey Radiation Oncology in Cerritos, California.
Dr. Wall's NPI, 1386627040, was assigned on November 26, 2005. Dr. Wall holds South Carolina license 11042.
- NPI
- 1386627040NPI Registry (opens in a new tab)
- NPI enumeration date
- November 26, 2005
- NPI status
- Active
- Practice phone
- (310) 945-8112
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert T. Wall Jr. practices at The Oncology Institute - Downey Radiation Oncology in Cerritos, California
Dr. Wall's primary practice is The Oncology Institute - Downey Radiation Oncology, at 18000 Studebaker Rd, Cerritos, CA 90703 in Los Angeles County. The practice phone is (310) 945-8112.
- The Oncology Institute - Downey Radiation Oncology18000 Studebaker Rd, Cerritos, CA 90703 · Los Angeles CountyPhone(310) 945-8112
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert T. Wall Jr. is affiliated with 3 sites of care and 3 medical groups
Dr. Wall's primary practice is The Oncology Institute - Downey Radiation Oncology in Cerritos, California. The medical group on file is The Oncology Institute of Hope and Innovation. Dmand AI also links Dr. Wall to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert T. Wall Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Oncology Institute - Downey Radiation Oncology | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert T. Wall Jr. is one of 16,751 internists in California
Internal medicine is Dr. Wall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wall is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Wall
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. Robert T. Wall Jr. billed Medicare for 568 services in 2024
CMS data shows 568 Medicare services from Dr. Wall across 9 procedure codes in 2024, for 202 Medicare patients. Medicare paid $29,451 for them. Every service was in an office.
Dr. Wall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4282024: 31925%
- Surgery
- 2023: 02024: 150
- Tests and treatments
- 2023: 02024: 99
Dr. Wall compared with the California median for internists, 2024
- Dr. Wall
- California median
- Medicare services
- 568vs 36157% above
- Medicare patients
- 202vs 15134% above
- Part D claims
- 159vs 42162% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Wall'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert T. Wall Jr. treated 202 Medicare patients in 2024, average age 73
CMS counts 202 Medicare patients who saw Dr. Wall in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 82% are also on Medicaid. Their average risk score is 2.14, 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. Wall's median patient age at 63, with 62% women.
Dr. Wall's Medicare patients by age, 2024
Dr. Wall's Medicare patients by sex, 2024
- Women13366%
- Men6934%
Chronic conditions among Dr. Wall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Arthritis49%
- Cancer43%
- Chronic kidney disease38%
- Heart failure30%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert T. Wall Jr. wrote 332 Medicare Part D claims in 2024
In 2024, Dr. Wall wrote 332 Medicare Part D claims for 101 patients. 74% of them were for generic drugs. CMS names the drug for 159 of them, across 8 drugs with 11 or more claims each, at $219,282 in total drug cost. In 2023, CMS named 245 claims across 10 drugs.
Dr. Wall's Part D claims by kind of drug, 2024
- Generic247 claims74%
- Brand-name85 claims26%
Dr. Wall'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. Wall's Part D claims, 2024
- Opioids7%23 of 332 claims
- Antibiotics5%15 of 332 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: 2452024: 15935%
Drugs named by CMS: 8 in 2024, 10 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
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Dr. Robert T. Wall Jr. received $7,790 in industry payments from 2024 to 2025
CMS Open Payments shows 319 general payments to Dr. Wall from 54 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $644.
General payments to Dr. Wall by program year, 2024 to 2025
Companies that paid Dr. Wall the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert T. Wall Jr.'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Robert T. Wall Jr.
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 T. Wall Jr.'s NPI number?
Dr. Robert T. Wall Jr.'s NPI number is 1386627040. It was assigned on November 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert T. Wall Jr.?
Dr. Robert T. Wall Jr. is an internist in Cerritos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert T. Wall Jr. practice?
Dr. Wall practices at 18000 Studebaker Rd, Cerritos, CA 90703. Dr. Wall's primary practice is The Oncology Institute - Downey Radiation Oncology in Cerritos, California. Dmand AI also links Dr. Wall to 2 group practices and clinics and 2 medical groups.
What is Dr. Robert T. Wall Jr.'s office phone number?
The practice phone on file for Dr. Wall is (310) 945-8112.
What is Dr. Robert T. Wall Jr.'s medical license number?
Dr. Wall holds South Carolina license 11042.
What medical group is Dr. Robert T. Wall Jr. part of?
Dr. Wall is linked to The Oncology Institute of Hope and Innovation. Dmand AI links Dr. Wall to 2 more medical groups.
Does Dr. Robert T. Wall Jr. accept Medicare?
Yes. CMS data shows Dr. Wall billed Medicare for 568 services in 2024.
How many Medicare patients does Dr. Robert T. Wall Jr. see?
CMS counts 202 Medicare patients who saw Dr. Wall in 2024, with an average age of 73.
What services does Dr. Robert T. Wall Jr. bill to Medicare?
In 2024, Dr. Wall's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and office visit, established patient (99212).
What drugs does Dr. Robert T. Wall Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Wall's most prescribed drugs by claims were Anastrozole, Bicalutamide and Hydrocodone-Acetaminophen.
Has Dr. Robert T. Wall Jr. received payments from drug or device companies?
CMS Open Payments shows $7,790 in general payments to Dr. Wall from 54 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Robert T. Wall Jr. been practicing?
Dr. Wall graduated from medical school in 1977, 49 years ago.
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