Dr. John Brian Klein, MD
- Medicare services, 2024
- 4,901
- Medicare patients, 2024
- 981
- Part D claims, 2024
- 942
- MIPS score, 2024
- 79
- Hospital affiliations
- 5
- Practice address
- 1800 N Beauregard St, Alexandria, VA 22311
- Practice phone
- Call (703) 698-8960
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Associates of Northern Virginia, LLC
Alexandria, Virginia
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. John Brian Klein is a urologist in Alexandria, Virginia
Dr. Klein practices at Gastroenterology Associates of Northern Virginia, LLC in Alexandria, Virginia.
Dr. Klein's NPI, 1184899650, was assigned on April 25, 2008. Dr. Klein graduated from University of Virginia School of Medicine in 2005. Dr. Klein holds Virginia license 0101249642.
- NPI
- 1184899650NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012185234
- NPI enumeration date
- April 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (703) 698-8960
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Brian Klein practices at Gastroenterology Associates of Northern Virginia, LLC in Alexandria, Virginia
Dr. Klein's primary practice is Gastroenterology Associates of Northern Virginia, LLC, at 1800 N Beauregard St, Alexandria, VA 22311 in Alexandria City. The practice phone is (703) 698-8960.
- Gastroenterology Associates of Northern Virginia, LLC1800 N Beauregard St, Alexandria, VA 22311 · Alexandria CityPhone(703) 698-8960
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Brian Klein is affiliated with 10 sites of care and 4 medical groups
Dr. Klein's primary practice is Gastroenterology Associates of Northern Virginia, LLC in Alexandria, Virginia. Dr. Klein is also affiliated with Inova Alexandria Hospital. The medical group on file is Inova Urgent Care Center. Dmand AI also links Dr. Klein to 4 more hospitals, 4 group practices and clinics and 3 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Brian Klein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klein practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Associates of Northern Virginia, LLC | Available with a free account |
| +9 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Brian Klein is one of 326 urologists in Virginia
Urology is Dr. Klein's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Klein is licensed in Virginia.
Specialties and state licenses
- Urology, VirginiaPrimary
Urologists near Dr. Klein
Counts of urologists 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. John Brian Klein billed Medicare for 4,901 services in 2024
CMS data shows 4,901 Medicare services from Dr. Klein across 35 procedure codes in 2024, for 981 Medicare patients. Medicare paid $302,012 for them.
Dr. Klein's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,6102024: 2,03827%
- Surgery
- 2023: 1,1892024: 1,1126%
- Other services
- 2023: 232024: 8633652%
- Lab and pathology
- 2023: 1,6592024: 65161%
- Drugs given in the office
- 2023: 3452024: 12564%
- Tests and treatments
- 2023: 1572024: 5863%
- Imaging
- 2023: 782024: 5431%
Where Dr. Klein's Medicare services took place, 2024
- In an office4,78698%
- In a facility1152%
Dr. Klein compared with the Virginia median for urologists, 2024
- Dr. Klein
- Virginia median
- Medicare services
- 4,901vs 1,5743.1 times
- Medicare patients
- 981vs 57969% above
- Part D claims
- 807vs 61731% above
Medians across 313 urologists in Virginia 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 urologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Brian Klein treated 981 Medicare patients in 2024, average age 76
CMS counts 981 Medicare patients who saw Dr. Klein in 2024. The largest group is 75 to 84, with 421 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klein's median patient age at 65, with 16% women.
Dr. Klein's Medicare patients by age, 2024
Dr. Klein's Medicare patients by sex, 2024
- Women15416%
- Men82784%
Chronic conditions among Dr. Klein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes34%
- Ischemic heart disease32%
- Chronic kidney disease29%
- Cancer21%
- Atrial fibrillation19%
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 65
Patient panel by sex, all payers
- Women16%
- Men82%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Brian Klein wrote 942 Medicare Part D claims in 2024
In 2024, Dr. Klein wrote 942 Medicare Part D claims for 383 patients. 96% of them were for generic drugs. CMS names the drug for 807 of them, across 15 drugs with 11 or more claims each, at $46,237 in total drug cost. In 2023, CMS named 667 claims across 16 drugs.
Dr. Klein's Part D claims by kind of drug, 2024
- Generic906 claims96%
- Brand-name36 claims4%
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.
Drug classes CMS tracks in Dr. Klein's Part D claims, 2024
- Opioids2%22 of 942 claims
- Antibiotics6%58 of 942 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: 6672024: 80721%
Drugs named by CMS: 15 in 2024, 16 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. John Brian Klein scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 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. CMS lists Dr. Klein as offering telehealth. CMS counts 42 procedures of prostate resection by Dr. Klein, more than 96% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Klein's MIPS scores, performance year 2024
- 79of 100Final score
- 53.2of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Klein ranks in Medicare procedure volume
- Prostate resection
- 96th percentile42 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Brian Klein received $12,756 in industry payments from 2016 to 2025
CMS Open Payments shows 149 general payments to Dr. Klein from 31 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 36% of the total. NxThera, Inc. paid the most, $7,835.
General payments to Dr. Klein by program year, 2016 to 2025
General payments to Dr. Klein by kind, 2016 to 2025
- Food and beverage$4,62336%
- Consulting fees$4,50035%
- Gifts$2,36119%
- Travel and lodging$9588%
- Other$3152%
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. John Brian Klein graduated from University of Virginia School of Medicine
Dr. Klein graduated from University of Virginia School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Brian 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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. John Brian 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. John Brian Klein's NPI number?
Dr. John Brian Klein's NPI number is 1184899650. It was assigned on April 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John Brian Klein?
Dr. John Brian Klein is a urologist in Alexandria, Virginia. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. John Brian Klein practice?
Dr. Klein practices at 1800 N Beauregard St, Alexandria, VA 22311. Dr. Klein's primary practice is Gastroenterology Associates of Northern Virginia, LLC in Alexandria, Virginia. Dmand AI also links Dr. Klein to 4 hospitals, 4 group practices and clinics and 3 medical groups.
What is Dr. John Brian Klein's office phone number?
The practice phone on file for Dr. Klein is (703) 698-8960.
What is Dr. John Brian Klein's medical license number?
Dr. Klein holds Virginia license 0101249642.
Which hospitals is Dr. John Brian Klein affiliated with?
Dr. Klein is affiliated with Inova Alexandria Hospital. Dmand AI links Dr. Klein to 4 more hospitals.
What medical group is Dr. John Brian Klein part of?
Dr. Klein is linked to Inova Urgent Care Center. Dmand AI links Dr. Klein to 3 more medical groups.
Does Dr. John Brian Klein accept Medicare?
Yes. CMS data shows Dr. Klein billed Medicare for 4,901 services in 2024, and Dr. Klein accepts Medicare assignment.
Does Dr. John Brian Klein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Klein as offering telehealth services.
What is Dr. John Brian Klein's MIPS score?
Dr. Klein's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. John Brian Klein see?
CMS counts 981 Medicare patients who saw Dr. Klein in 2024, with an average age of 76.
What services does Dr. John Brian Klein bill to Medicare?
In 2024, Dr. Klein's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and surgery: urinary system (51798).
Where did Dr. John Brian Klein go to medical school?
Dr. Klein graduated from University of Virginia School of Medicine in 2005.
What drugs does Dr. John Brian Klein prescribe most?
In 2024 Medicare Part D data, Dr. Klein's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Alfuzosin HCl ER.
Has Dr. John Brian Klein received payments from drug or device companies?
CMS Open Payments shows $12,756 in general payments to Dr. Klein from 31 companies from 2016 to 2025. The largest total came from NxThera, Inc.
How long has Dr. John Brian Klein been practicing?
Dr. Klein graduated from medical school in 2005, 21 years ago.
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