Dr. Robert G. Haas, DO
- Medicare services, 2024
- 524
- Medicare patients, 2024
- 96
- Part D claims, 2024
- 49
- Hospital affiliations
- 3
- Industry payments
- $1,184
- Practice address
- 24451 Health Center Drive, Laguna Hills, CA 92653
- Practice phone
- Call (949) 837-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Haas' 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 G. Haas is an emergency medicine physician in Laguna Hills, California
Dr. Haas practices at MemorialCare Saddleback Medical Center in Laguna Hills, California, part of MemorialCare Health System.
Dr. Haas' NPI, 1942251509, was assigned on May 16, 2006. Dr. Haas graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1985. Dr. Haas' California license number on file is 2)A5650.
- NPI
- 1942251509NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143290403
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 837-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert G. Haas practices at MemorialCare Saddleback Medical Center in Laguna Hills, California
Dr. Haas' primary practice is MemorialCare Saddleback Medical Center, at 24451 Health Center Drive, Laguna Hills, CA 92653 in Orange County. The practice phone is (949) 837-4500.
- MemorialCare Saddleback Medical Center24451 Health Center Drive, Laguna Hills, CA 92653 · Orange CountyPhone(949) 837-4500
Source: Dmand AI Affiliation Data
Dr. Robert G. Haas is affiliated with 4 sites of care and 2 medical groups
Dr. Haas' primary practice is MemorialCare Saddleback Medical Center in Laguna Hills, California, part of MemorialCare Health System. Dr. Haas is also affiliated with Providence Mission Hospital. The medical group on file is Vituity. Dmand AI also links Dr. Haas to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert G. Haas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Haas practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MemorialCare Saddleback Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert G. Haas is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Haas' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Haas has a license on file in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Haas
Counts of emergency medicine physicians 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 G. Haas billed Medicare for 524 services in 2024
CMS data shows 524 Medicare services from Dr. Haas across 6 procedure codes in 2024, for 96 Medicare patients. Medicare paid $24,534 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Haas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 4312024: 26439%
- Tests and treatments
- 2023: 1392024: 1444%
- Office and hospital visits
- 2023: 2592024: 11655%
Dr. Haas compared with the California median for emergency medicine physicians, 2024
- Dr. Haas
- California median
- Medicare services
- 524vs 26598% above
- Medicare patients
- 96vs 24360% below
- Part D claims
- 16vs 6274% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Haas' 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. Haas and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert G. Haas treated 96 Medicare patients in 2024, average age 80
CMS counts 96 Medicare patients who saw Dr. Haas in 2024. The largest group is 75 to 84, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.42, 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. Haas' median patient age at 75, with 38% women.
Dr. Haas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Haas' Medicare patients by sex, 2024
- Women4951%
- Men4749%
Chronic conditions among Dr. Haas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease40%
- Atrial fibrillation39%
- Diabetes39%
- Chronic kidney disease36%
- Heart failure34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Haas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert G. Haas wrote 49 Medicare Part D claims in 2024
In 2024, Dr. Haas wrote 49 Medicare Part D claims for 31 patients. 96% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $106 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Dr. Haas' Part D claims by kind of drug, 2024
- Generic47 claims96%
- Brand-name and other2 claims4%
Dr. Haas' 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. Haas' Part D claims, 2024
- Antibiotics67%33 of 49 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: 252024: 1636%
Drugs named by CMS: 1 in 2024, 2 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 G. Haas ranks in the 96th percentile for removal of tissue in Medicare
Dr. Haas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 433 procedures of removal of tissue by Dr. Haas, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Haas ranks in Medicare procedure volume
- Removal of tissue
- 96th percentile433 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 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 G. Haas received $1,184 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Haas from 5 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 53% of the total. Medtronic Vascular, Inc. paid the most, $951.
General payments to Dr. Haas by program year, 2016 to 2025
General payments to Dr. Haas by kind, 2016 to 2025
- Travel and lodging$63153%
- Food and beverage$55347%
Companies that paid Dr. Haas 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. Robert G. Haas graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Haas graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Robert G. Haas accepts plans from 6 insurance carriers
Dr. Haas is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Haas accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert G. Haas'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 |
| 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. Robert G. Haas
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 G. Haas' NPI number?
Dr. Robert G. Haas' NPI number is 1942251509. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert G. Haas?
Dr. Robert G. Haas is an emergency medicine physician in Laguna Hills, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert G. Haas practice?
Dr. Haas practices at 24451 Health Center Drive, Laguna Hills, CA 92653. Dr. Haas' primary practice is MemorialCare Saddleback Medical Center in Laguna Hills, California, part of MemorialCare Health System. Dmand AI also links Dr. Haas to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Robert G. Haas' office phone number?
The practice phone on file for Dr. Haas is (949) 837-4500.
What is Dr. Robert G. Haas' medical license number?
Dr. Haas' California license number on file is 2)A5650.
Which hospitals is Dr. Robert G. Haas affiliated with?
Dr. Haas practices at MemorialCare Saddleback Medical Center in Laguna Hills, California. Dr. Haas is also affiliated with Providence Mission Hospital. Dmand AI links Dr. Haas to 1 more hospital.
What medical group is Dr. Robert G. Haas part of?
Dr. Haas is linked to Vituity. Dmand AI links Dr. Haas to 1 more medical group.
Does Dr. Robert G. Haas accept Medicare?
Yes. CMS data shows Dr. Haas billed Medicare for 524 services in 2024, and Dr. Haas accepts Medicare assignment.
How many Medicare patients does Dr. Robert G. Haas see?
CMS counts 96 Medicare patients who saw Dr. Haas in 2024, with an average age of 80.
What services does Dr. Robert G. Haas bill to Medicare?
In 2024, Dr. Haas' most billed Medicare services were surgery: skin and soft tissue (11042), physical therapy and rehabilitation (97597) and office visit, established patient (99213).
Show 5 more questionsShow fewer questions
Where did Dr. Robert G. Haas go to medical school?
Dr. Haas graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1985.
What drugs does Dr. Robert G. Haas prescribe most?
In 2024 Medicare Part D data, Dr. Haas' most prescribed drugs by claims were Doxycycline Hyclate.
Has Dr. Robert G. Haas received payments from drug or device companies?
CMS Open Payments shows $1,184 in general payments to Dr. Haas from 5 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Robert G. Haas been practicing?
Dr. Haas graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Robert G. Haas accept?
Dr. Haas is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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