Dr. Roland Egon Bastian, MD
- Medicare services, 2024
- 145
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 38
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 215 W Janss Rd, Thousand Oaks, CA 91360
- Practice phone
- Call (805) 497-2727
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bastian'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. Roland Egon Bastian is an emergency medicine physician in Thousand Oaks, California
Dr. Bastian practices at Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare.
Dr. Bastian's NPI, 1982634242, was assigned on July 3, 2006. Dr. Bastian graduated from Loma Linda University School Of Medicine in 1993. Dr. Bastian holds California license G83563.
- NPI
- 1982634242NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042269821
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 497-2727
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roland Egon Bastian practices at Los Robles Regional Medical Center in Thousand Oaks, California
Dr. Bastian's primary practice is Los Robles Regional Medical Center, at 215 W Janss Rd, Thousand Oaks, CA 91360 in Ventura County. The practice phone is (805) 497-2727.
- Los Robles Regional Medical Center215 W Janss Rd, Thousand Oaks, CA 91360 · Ventura CountyPhone(805) 497-2727
Source: Dmand AI Affiliation Data
Dr. Roland Egon Bastian is affiliated with 1 site of care and 2 medical groups
Dr. Bastian's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. The medical group on file is Team Physicians of California Medical Group Inc. Dmand AI also links Dr. Bastian to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Roland Egon Bastian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bastian practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Robles Regional Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across HCA Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Roland Egon Bastian is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Bastian's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Bastian is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Bastian's licenses on file in 3 states: California, Texas and Michigan.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Texas license
- Michigan license
Emergency medicine physicians near Dr. Bastian
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. Roland Egon Bastian billed Medicare for 145 services in 2024
CMS data shows 145 Medicare services from Dr. Bastian across 4 procedure codes in 2024, for 98 Medicare patients. Medicare paid $12,773 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bastian's Medicare services by type, 2024
- Office and hospital visits99
- Tests and treatments46
Dr. Bastian compared with the California median for emergency medicine physicians, 2024
- Dr. Bastian
- California median
- Medicare services
- 145vs 26545% below
- Medicare patients
- 98vs 24360% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Bastian'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. Bastian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bastian 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. Roland Egon Bastian treated 98 Medicare patients in 2024, average age 78
CMS counts 98 Medicare patients who saw Dr. Bastian in 2024. The largest group is 75 to 84, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 2.21, 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. Bastian's median patient age at 56, with 53% women.
Dr. Bastian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Bastian's Medicare patients by sex, 2024
- Women5455%
- Men4445%
Chronic conditions among Dr. Bastian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease45%
- Chronic kidney disease44%
- Mood disorders38%
- Atrial fibrillation36%
- Heart failure36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bastian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roland Egon Bastian wrote 38 Medicare Part D claims in 2024
In 2024, Dr. Bastian wrote 38 Medicare Part D claims for 25 patients. 92% of them were for generic drugs.
Dr. Bastian's Part D claims by kind of drug, 2024
- Generic35 claims92%
- Brand-name and other3 claims8%
Drug classes CMS tracks in Dr. Bastian's Part D claims, 2024
- Antibiotics34%13 of 38 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Roland Egon Bastian takes part in Medicare
Dr. Bastian accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Roland Egon Bastian graduated from Loma Linda University School Of Medicine
Dr. Bastian graduated from Loma Linda University School Of Medicine in 1993.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Roland Egon Bastian accepts plans from 1 insurance carrier
Dr. Bastian is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Roland Egon Bastian'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 (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) |
| 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. Roland Egon Bastian
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. Roland Egon Bastian's NPI number?
Dr. Roland Egon Bastian's NPI number is 1982634242. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roland Egon Bastian?
Dr. Roland Egon Bastian is an emergency medicine physician in Thousand Oaks, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Roland Egon Bastian practice?
Dr. Bastian practices at 215 W Janss Rd, Thousand Oaks, CA 91360. Dr. Bastian's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dmand AI also links Dr. Bastian to 1 medical group.
What is Dr. Roland Egon Bastian's office phone number?
The practice phone on file for Dr. Bastian is (805) 497-2727.
What is Dr. Roland Egon Bastian's medical license number?
Dr. Bastian holds California license G83563, one of the licenses on file in 3 states.
Which states has Dr. Roland Egon Bastian been licensed in?
Dmand AI has state licenses on file for Dr. Bastian in California (1997 to 2026), Texas (2017 to 2025) and Michigan (1996 to 2000).
Which hospitals is Dr. Roland Egon Bastian affiliated with?
Dr. Bastian practices at Los Robles Regional Medical Center in Thousand Oaks, California.
What medical group is Dr. Roland Egon Bastian part of?
Dr. Bastian is linked to Team Physicians of California Medical Group Inc. Dmand AI links Dr. Bastian to 1 more medical group.
Does Dr. Roland Egon Bastian accept Medicare?
Yes. CMS data shows Dr. Bastian billed Medicare for 145 services in 2024, and Dr. Bastian accepts Medicare assignment.
How many Medicare patients does Dr. Roland Egon Bastian see?
CMS counts 98 Medicare patients who saw Dr. Bastian in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
Is Dr. Roland Egon Bastian board certified?
Yes. Dr. Bastian is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Roland Egon Bastian bill to Medicare?
In 2024, Dr. Bastian's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Roland Egon Bastian go to medical school?
Dr. Bastian graduated from Loma Linda University School Of Medicine in 1993.
How long has Dr. Roland Egon Bastian been practicing?
Dr. Bastian graduated from medical school in 1993, 33 years ago.
What insurance does Dr. Roland Egon Bastian accept?
Dr. Bastian is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card