Dr. Robert A. Ertner, MD
- Medicare services, 2024
- 207
- Medicare patients, 2024
- 262
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Industry payments
- $4,247
- Practice address
- 1531 Esplanade, Chico, CA 95926
- Practice phone
- Call (530) 332-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ertner'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 A. Ertner is an anesthesiologist in Chico, California
Dr. Ertner practices at Enloe Health in Chico, California, part of Enloe Health.
Dr. Ertner's NPI, 1104876283, was assigned on May 11, 2006. Dr. Ertner graduated from Texas Tech University Health Sciences Center School of Medicine in 2000. Dr. Ertner holds California license A97004.
- NPI
- 1104876283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951397025
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (530) 332-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert A. Ertner practices at Enloe Health in Chico, California
Dr. Ertner's primary practice is Enloe Health, at 1531 Esplanade, Chico, CA 95926 in Butte County. The practice phone is (530) 332-7300.
- Enloe Health1531 Esplanade, Chico, CA 95926 · Butte CountyPhone(530) 332-7300
Source: Dmand AI Affiliation Data
Dr. Robert A. Ertner is affiliated with 2 sites of care and 6 medical groups
Dr. Ertner's primary practice is Enloe Health in Chico, California, part of Enloe Health. Dr. Ertner is also affiliated with Mercy Medical Center Redding. The medical group on file is CEP America. Dmand AI also links Dr. Ertner to 5 more medical groups, 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 A. Ertner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ertner practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Enloe Health | Available with a free account |
| +1 more site and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert A. Ertner is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ertner's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ertner is board certified in adult cardiac anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Ertner's licenses on file in 9 states: California, Georgia, Missouri, Texas, Oregon, Florida, Pennsylvania, Illinois and Tennessee.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Georgia license
- Addiction medicine (anesthesiology), Missouri
- Texas license
- Oregon license
- Florida license
- Pennsylvania license
- Illinois license
- Tennessee license
Anesthesiologists near Dr. Ertner
Counts of anesthesiologists 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 A. Ertner billed Medicare for 207 services in 2024
CMS data shows 207 Medicare services from Dr. Ertner across 11 procedure codes in 2024, for 262 Medicare patients. Medicare paid $29,337 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ertner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1752024: 14716%
- Surgery
- 2023: 932024: 6035%
- Tests and treatments
- 2023: 182024: 0100%
Dr. Ertner compared with the California median for anesthesiologists, 2024
- Dr. Ertner
- California median
- Medicare services
- 207vs 722.9 times
- Medicare patients
- 262vs 14383% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ertner'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. Ertner and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert A. Ertner treated 262 Medicare patients in 2024, average age 74
CMS counts 262 Medicare patients who saw Dr. Ertner in 2024. The largest group is 65 to 74, with 127 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.66, 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. Ertner's median patient age at 48, with 58% women.
Dr. Ertner's Medicare patients by age, 2024
Dr. Ertner's Medicare patients by sex, 2024
- Women12949%
- Men13351%
Chronic conditions among Dr. Ertner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes36%
- Ischemic heart disease34%
- Atrial fibrillation31%
- Chronic kidney disease30%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ertner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert A. Ertner scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Ertner for performance year 2024, reported as part of a group. Dr. Ertner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ertner's MIPS scores, performance year 2024
- 84of 100Final score
- 71.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Robert A. Ertner received $4,247 in industry payments from 2017 to 2025
CMS Open Payments shows 42 general payments to Dr. Ertner from 5 drug and device companies from 2017 to 2025. Travel and lodging make up the largest share, 65% of the total. Edwards Lifesciences Corporation paid the most, $3,846.
General payments to Dr. Ertner by program year, 2017 to 2025
General payments to Dr. Ertner by kind, 2017 to 2025
- Travel and lodging$2,76365%
- Food and beverage$1,48335%
Companies that paid Dr. Ertner the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert A. Ertner graduated from Texas Tech University Health Sciences Center School of Medicine
Dr. Ertner graduated from Texas Tech University Health Sciences Center School of Medicine in 2000.
- Medical school
- Board certified in adult cardiac anesthesiology
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Robert A. Ertner accepts plans from 20 insurance carriers
Dr. Ertner is in network with 20 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Kaiser Permanente
- +12 more carriersWith a free account
Plan types Dr. Ertner accepts, by number of carriers
- PPO11
- HMO9
- Medicare8
- POS5
- EPO3
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert A. Ertner'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 A. Ertner
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 A. Ertner's NPI number?
Dr. Robert A. Ertner's NPI number is 1104876283. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert A. Ertner?
Dr. Robert A. Ertner is an anesthesiologist in Chico, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Robert A. Ertner practice?
Dr. Ertner practices at 1531 Esplanade, Chico, CA 95926. Dr. Ertner's primary practice is Enloe Health in Chico, California, part of Enloe Health. Dmand AI also links Dr. Ertner to 5 medical groups.
What is Dr. Robert A. Ertner's office phone number?
The practice phone on file for Dr. Ertner is (530) 332-7300.
What is Dr. Robert A. Ertner's medical license number?
Dr. Ertner holds California license A97004, one of the licenses on file in 9 states.
Which states has Dr. Robert A. Ertner been licensed in?
Dmand AI has state licenses on file for Dr. Ertner in California (2006 to 2026), Georgia (2005 to 2026), Missouri (2006 to 2026), Texas (2001 to 2026), Oregon (2022 to 2025), Florida (2017 to 2022), Pennsylvania (2007 to 2010), Illinois (2007 to 2008) and Tennessee (2007 to 2008).
Which hospitals is Dr. Robert A. Ertner affiliated with?
Dr. Ertner practices at Enloe Health in Chico, California. Dr. Ertner is also affiliated with Mercy Medical Center Redding.
What medical group is Dr. Robert A. Ertner part of?
Dr. Ertner is linked to CEP America. Dmand AI links Dr. Ertner to 5 more medical groups.
Does Dr. Robert A. Ertner accept Medicare?
Yes. CMS data shows Dr. Ertner billed Medicare for 207 services in 2024, and Dr. Ertner accepts Medicare assignment.
What is Dr. Robert A. Ertner's MIPS score?
Dr. Ertner's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Robert A. Ertner see?
CMS counts 262 Medicare patients who saw Dr. Ertner in 2024, with an average age of 74.
Is Dr. Robert A. Ertner board certified?
Yes. Dr. Ertner is board certified in adult cardiac anesthesiology by the American Board of Anesthesiology.
What services does Dr. Robert A. Ertner bill to Medicare?
In 2024, Dr. Ertner's most billed Medicare services were surgery: heart and blood vessels (36620), anesthesia (00731) and anesthesia (00811).
Where did Dr. Robert A. Ertner go to medical school?
Dr. Ertner graduated from Texas Tech University Health Sciences Center School of Medicine in 2000.
Has Dr. Robert A. Ertner received payments from drug or device companies?
CMS Open Payments shows $4,247 in general payments to Dr. Ertner from 5 companies from 2017 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Robert A. Ertner been practicing?
Dr. Ertner graduated from medical school in 2000, 26 years ago.
What insurance does Dr. Robert A. Ertner accept?
Dr. Ertner is in network with 20 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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