Dr. Barry D. Klein, MD
- Medicare services, 2024
- 18,202
- Medicare patients, 2024
- 3,495
- Part D claims, 2024
- 32
- MIPS score, 2024
- 100
- Hospital affiliations
- 7
- 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. Klein'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. Barry D. Klein is a diagnostic radiologist in Thousand Oaks, California
Dr. Klein practices at Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare.
Dr. Klein's NPI, 1073585212, was assigned on February 2, 2006. Dr. Klein graduated from Geisel School of Medicine at Dartmouth in 1982. Dr. Klein holds California license C41210.
- NPI
- 1073585212NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294620266
- NPI enumeration date
- February 2, 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
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barry D. Klein practices at Los Robles Regional Medical Center in Thousand Oaks, California
Dr. Klein'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. Barry D. Klein is affiliated with 11 sites of care and 12 medical groups
Dr. Klein's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dr. Klein is also affiliated with Long Beach Medical Center. The medical group on file is Beverly Radiology Medical Group. Dmand AI also links Dr. Klein to 5 more hospitals, 11 medical groups and 4 group practices and clinics, 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. Barry D. Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 11 sites in all. 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 |
| +10 more sites and 11 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barry D. Klein is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Klein is licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Klein
Counts of diagnostic radiologists 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. Barry D. Klein billed Medicare for 18,202 services in 2024
CMS data shows 18,202 Medicare services from Dr. Klein across 85 procedure codes in 2024, for 3,495 Medicare patients. Medicare paid $311,369 for them.
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 13,1632024: 12,4425%
- Imaging
- 2023: 4,7242024: 5,44015%
- Tests and treatments
- 2023: 1232024: 255107%
- Surgery
- 2023: 822024: 6521%
Where Dr. Klein's Medicare services took place, 2024
- In an office13,71875%
- In a facility4,48425%
Dr. Klein compared with the California median for diagnostic radiologists, 2024
- Dr. Klein
- California median
- Medicare services
- 18,202vs 2,2818.0 times
- Medicare patients
- 3,495vs 1,3462.6 times
- Part D claims
- 22vs 1457% above
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Klein'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. Klein and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barry D. Klein treated 3,495 Medicare patients in 2024, average age 77
CMS counts 3,495 Medicare patients who saw Dr. Klein in 2024. The largest group is 75 to 84, with 1,371 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.72, 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. Klein's median patient age at 61, with 59% women.
Dr. Klein's Medicare patients by age, 2024
Dr. Klein's Medicare patients by sex, 2024
- Women2,10860%
- Men1,38740%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Ischemic heart disease42%
- Diabetes34%
- Mood disorders34%
- Anxiety32%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barry D. Klein wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 32 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $140 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Klein'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 2283%
Drugs named by CMS: 2 in 2024, 1 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. Barry D. Klein scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Klein for performance year 2024, reported as part of a group. Dr. Klein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Klein's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
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. Barry D. Klein received $5,943 in industry payments from 2016 to 2025
CMS Open Payments shows 67 general payments to Dr. Klein from 12 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 67% of the total. Cook Medical LLC paid the most, $2,528.
General payments to Dr. Klein by program year, 2016 to 2025
General payments to Dr. Klein by kind, 2016 to 2025
- Travel and lodging$4,00767%
- Food and beverage$1,86731%
- Education$701%
Companies that paid Dr. Klein 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. Barry D. Klein graduated from Geisel School of Medicine at Dartmouth
Dr. Klein graduated from Geisel School of Medicine at Dartmouth in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Barry D. Klein'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)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 |
| 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. Barry D. Klein
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. Barry D. Klein's NPI number?
Dr. Barry D. Klein's NPI number is 1073585212. It was assigned on February 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barry D. Klein?
Dr. Barry D. Klein is a diagnostic radiologist in Thousand Oaks, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Barry D. Klein practice?
Dr. Klein practices at 215 W Janss Rd, Thousand Oaks, CA 91360. Dr. Klein's primary practice is Los Robles Regional Medical Center in Thousand Oaks, California, part of HCA Healthcare. Dmand AI also links Dr. Klein to 5 hospitals, 11 medical groups and 4 group practices and clinics.
What is Dr. Barry D. Klein's office phone number?
The practice phone on file for Dr. Klein is (805) 497-2727.
What is Dr. Barry D. Klein's medical license number?
Dr. Klein holds California license C41210.
Which hospitals is Dr. Barry D. Klein affiliated with?
Dr. Klein practices at Los Robles Regional Medical Center in Thousand Oaks, California. Dr. Klein is also affiliated with Long Beach Medical Center. Dmand AI links Dr. Klein to 5 more hospitals.
What medical group is Dr. Barry D. Klein part of?
Dr. Klein is linked to Beverly Radiology Medical Group. Dmand AI links Dr. Klein to 11 more medical groups.
Does Dr. Barry D. Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 18,202 services in 2024, and Dr. Klein accepts Medicare assignment.
What is Dr. Barry D. Klein's MIPS score?
Dr. Klein's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Barry D. Klein see?
CMS counts 3,495 Medicare patients who saw Dr. Klein in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Barry D. Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9585) and medical supplies or transport (A9575).
Where did Dr. Barry D. Klein go to medical school?
Dr. Klein graduated from Geisel School of Medicine at Dartmouth in 1982.
What drugs does Dr. Barry D. Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Atorvastatin Calcium and Losartan Potassium.
Has Dr. Barry D. Klein received payments from drug or device companies?
CMS Open Payments shows $5,943 in general payments to Dr. Klein from 12 companies from 2016 to 2025. The largest total came from Cook Medical LLC.
How long has Dr. Barry D. Klein been practicing?
Dr. Klein graduated from medical school in 1982, 44 years ago.
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