Dr. Robert H. Dunham, MD
- Medicare services, 2024
- 283
- Medicare patients, 2024
- 228
- Part D claims, 2024
- 158
- Hospital affiliations
- 1
- Industry payments
- $18,754
- Practice address
- 200 W Center Street Promenade, Anaheim, CA 92805
- Practice phone
- Call (657) 640-8090
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence at Home With Compassus Home Health Orange County
Home Health Agency - Main Office · Anaheim, California
Find Dr. Dunham'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. Robert H. Dunham is a general surgeon in Anaheim, California
Dr. Dunham practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California.
Dr. Dunham's NPI, 1700851870, was assigned on February 21, 2006. Dr. Dunham graduated from Loma Linda University School of Medicine in 1990. Dr. Dunham holds California license G74484.
- NPI
- 1700851870NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062310964
- NPI enumeration date
- February 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (657) 640-8090
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert H. Dunham practices at Providence at Home With Compassus Home Health Orange County in Anaheim, California
Dr. Dunham's primary practice is Providence at Home With Compassus Home Health Orange County, at 200 W Center Street Promenade, Anaheim, CA 92805. The practice phone is (657) 640-8090.
- Providence at Home With Compassus Home Health Orange County200 W Center Street Promenade, Anaheim, CA 92805Phone(657) 640-8090
Source: Dmand AI Affiliation Data
Dr. Robert H. Dunham is affiliated with 6 sites of care and 4 medical groups
Dr. Dunham's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dr. Dunham is also affiliated with Providence Queen of the Valley Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Dunham to 3 more medical groups, 2 group practices and clinics, 1 physician office and 1 hospice, each named with a free account. Dr. Dunham's employer is on file too: a home health agency.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert H. Dunham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dunham practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence at Home With Compassus Home Health Orange County | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert H. Dunham is one of 2,926 general surgeons in California
Surgery is Dr. Dunham's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Dunham is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Dunham
Counts of general 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. Robert H. Dunham billed Medicare for 283 services in 2024
CMS data shows 283 Medicare services from Dr. Dunham across 11 procedure codes in 2024, for 228 Medicare patients. Medicare paid $31,951 for them.
Dr. Dunham's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2082024: 23613%
- Surgery
- 2023: 602024: 3640%
- Other services
- 2023: 112024: 11No change
Where Dr. Dunham's Medicare services took place, 2024
- In an office20171%
- In a facility8229%
Dr. Dunham compared with the California median for general surgeons, 2024
- Dr. Dunham
- California median
- Medicare services
- 283vs 16670% above
- Medicare patients
- 228vs 12188% above
- Part D claims
- 95vs 342.8 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Dunham'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dunham and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert H. Dunham treated 228 Medicare patients in 2024, average age 74
CMS counts 228 Medicare patients who saw Dr. Dunham in 2024. The largest group is 65 to 74, with 100 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.52, 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. Dunham's median patient age at 71, with 61% women.
Dr. Dunham's Medicare patients by age, 2024
Dr. Dunham's Medicare patients by sex, 2024
- Women11651%
- Men11249%
Chronic conditions among Dr. Dunham's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease35%
- Cancer29%
- Diabetes24%
- Osteoporosis22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dunham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert H. Dunham wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Dunham wrote 158 Medicare Part D claims for 111 patients. 77% of them were for generic drugs. CMS names the drug for 95 of them, across 3 drugs with 11 or more claims each, at $2,223 in total drug cost. In 2023, CMS named 95 claims across 3 drugs.
Dr. Dunham's Part D claims by kind of drug, 2024
- Generic121 claims77%
- Brand-name37 claims23%
Dr. Dunham'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. Dunham's Part D claims, 2024
- Opioids32%51 of 158 claims
- Antibiotics9%15 of 158 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: 952024: 95No change
Drugs named by CMS: 3 in 2024, 3 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. Robert H. Dunham ranks in the 77th percentile for hernia repair (minimally invasive) in Medicare
Dr. Dunham accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of hernia repair (minimally invasive) by Dr. Dunham, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Dunham ranks in Medicare procedure volume
- Colonoscopy
- 46th percentile17 procedures
- Hernia repair (minimally invasive)
- 77th percentile13 procedures
- Mastectomy
- 66th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Upper gastrointestinal (GI) endoscopy for acid reflux: 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. Robert H. Dunham received $18,754 in industry payments from 2016 to 2023
CMS Open Payments shows 68 general payments to Dr. Dunham from 4 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 43% of the total. Intuitive Surgical, Inc. paid the most, $18,534.
General payments to Dr. Dunham by program year, 2016 to 2023
General payments to Dr. Dunham by kind, 2016 to 2023
- Speaker and faculty fees$8,00043%
- Travel and lodging$6,99437%
- Food and beverage$1,94110%
- Education$1,7509%
- Gifts$700%
Companies that paid Dr. Dunham the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert H. Dunham graduated from Loma Linda University School of Medicine
Dr. Dunham graduated from Loma Linda University School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert H. Dunham'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Robert H. Dunham
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. Dunham's NPI number?
Dr. Robert H. Dunham's NPI number is 1700851870. It was assigned on February 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert H. Dunham?
Dr. Robert H. Dunham is a general surgeon in Anaheim, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Robert H. Dunham practice?
Dr. Dunham practices at 200 W Center Street Promenade, Anaheim, CA 92805. Dr. Dunham's primary practice is Providence at Home With Compassus Home Health Orange County in Anaheim, California. Dmand AI also links Dr. Dunham to 3 medical groups, 2 group practices and clinics, 1 physician office and 1 hospice.
What is Dr. Robert H. Dunham's office phone number?
The practice phone on file for Dr. Dunham is (657) 640-8090.
What is Dr. Robert H. Dunham's medical license number?
Dr. Dunham holds California license G74484.
Which hospitals is Dr. Robert H. Dunham affiliated with?
Dr. Dunham is affiliated with Providence Queen of the Valley Medical Center.
What medical group is Dr. Robert H. Dunham part of?
Dr. Dunham is linked to St. Jude Heritage Medical Group. Dmand AI links Dr. Dunham to 3 more medical groups.
Does Dr. Robert H. Dunham accept Medicare?
Yes. CMS data shows Dr. Dunham billed Medicare for 283 services in 2024, and Dr. Dunham accepts Medicare assignment.
How many Medicare patients does Dr. Robert H. Dunham see?
CMS counts 228 Medicare patients who saw Dr. Dunham in 2024, with an average age of 74.
What services does Dr. Robert H. Dunham bill to Medicare?
In 2024, Dr. Dunham's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, established patient (99215).
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Where did Dr. Robert H. Dunham go to medical school?
Dr. Dunham graduated from Loma Linda University School of Medicine in 1990.
What drugs does Dr. Robert H. Dunham prescribe most?
In 2024 Medicare Part D data, Dr. Dunham's most prescribed drugs by claims were Tramadol HCl, Sod Sulf-Potass Sulf-Mag Sulf and Pantoprazole Sodium.
Has Dr. Robert H. Dunham received payments from drug or device companies?
CMS Open Payments shows $18,754 in general payments to Dr. Dunham from 4 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Robert H. Dunham been practicing?
Dr. Dunham graduated from medical school in 1990, 36 years ago.
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