Dr. Justin Michael Caplan, MD
- Medicare services, 2024
- 361
- Medicare patients, 2024
- 135
- Publications
- 84
- MIPS score, 2024
- 83
- Hospital affiliations
- 2
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. Caplan'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. Justin Michael Caplan is a neurosurgeon in Baltimore, Maryland
Dr. Caplan practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Caplan's NPI, 1124277272, was assigned on September 13, 2008. Dr. Caplan graduated from Harvard Medical School in 2009. Dr. Caplan holds Maryland license D76618.
- NPI
- 1124277272NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820247901
- NPI enumeration date
- September 13, 2008
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin Michael Caplan practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Caplan's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Justin Michael Caplan is affiliated with 5 sites of care and 2 medical groups
Dr. Caplan's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Caplan is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Caplan to 1 more hospital, 2 group practices and clinics and 1 medical group, 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. Justin Michael Caplan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Caplan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +4 more sites and 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Justin Michael Caplan is one of 134 neurosurgeons in Maryland
Neurological surgery is Dr. Caplan's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Caplan is board certified in neurological surgery by the American Board of Neurological Surgery. Dr. Caplan is licensed in Maryland.
Specialties and state licenses
- Neurological surgery, MarylandPrimary
Neurosurgeons near Dr. Caplan
Counts of neurosurgeons 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. Justin Michael Caplan billed Medicare for 361 services in 2024
CMS data shows 361 Medicare services from Dr. Caplan across 11 procedure codes in 2024, for 135 Medicare patients. Medicare paid $31,251 for them.
Dr. Caplan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 942024: 195107%
- Imaging
- 2023: 1112024: 8821%
- Surgery
- 2023: 1152024: 7832%
Where Dr. Caplan's Medicare services took place, 2024
- In an office4713%
- In a facility31487%
Dr. Caplan compared with the Maryland median for neurosurgeons, 2024
- Dr. Caplan
- Maryland median
- Medicare services
- 361vs 26934% above
- Medicare patients
- 135vs 20333% below
Medians across 113 neurosurgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Caplan'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. Caplan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Caplan and other neurosurgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin Michael Caplan treated 135 Medicare patients in 2024, average age 72
CMS counts 135 Medicare patients who saw Dr. Caplan in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Caplan's median patient age at 69, with 75% women.
Dr. Caplan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Caplan's Medicare patients by sex, 2024
- Women10477%
- Men3123%
Chronic conditions among Dr. Caplan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Stroke or TIA42%
- Mood disorders29%
- Anxiety27%
- Ischemic heart disease27%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Caplan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women75%
- Men25%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin Michael Caplan scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Caplan for performance year 2024, reported as part of a group. CMS lists Dr. Caplan as offering telehealth.
- Offers telehealth
- Yes
Dr. Caplan's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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
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. Justin Michael Caplan has 84 publications on record
Dmand AI links 84 papers to Dr. Caplan, published from 2016 to 2025. 2023 was the busiest year, with 18. The most frequent topics are Embolization, Therapeutic, Intracranial Aneurysm and Stroke. Dr. Caplan has published most often in Neurosurgery. Dr. Caplan's most frequent co-authors are Judy Huang, DO, Judy Huang, MD and Wuyang Yang, MD, MS.
Dr. Caplan's papers by year, 2016 to 2025
Topics Dr. Caplan writes about most
- Embolization, Therapeutic
- Intracranial Aneurysm
- Stroke
- Ischemic Stroke
- Intracranial Arteriovenous Malformations
- Thrombectomy
- Brain Ischemia
- Cerebral Angiography
Dr. Caplan's most frequent co-authors
Recent publications by Dr. Caplan
Clin Neurol Neurosurg
See who Dr. Caplan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Caplan works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Justin Michael Caplan received $8,413 in industry payments from 2016 to 2025
CMS Open Payments shows 89 general payments to Dr. Caplan from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Medtronic USA, Inc. paid the most, $1,577.
General payments to Dr. Caplan by program year, 2016 to 2025
General payments to Dr. Caplan by kind, 2016 to 2025
- Food and beverage$4,86258%
- Travel and lodging$3,55142%
Companies that paid Dr. Caplan 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. Justin Michael Caplan graduated from Harvard Medical School
Dr. Caplan graduated from Harvard Medical School in 2009.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. Justin Michael Caplan'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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Justin Michael Caplan
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. Justin Michael Caplan's NPI number?
Dr. Justin Michael Caplan's NPI number is 1124277272. It was assigned on September 13, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin Michael Caplan?
Dr. Justin Michael Caplan is a neurosurgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Justin Michael Caplan practice?
Dr. Caplan practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Caplan's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Caplan to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Justin Michael Caplan's office phone number?
The practice phone on file for Dr. Caplan is (855) 662-3017.
What is Dr. Justin Michael Caplan's medical license number?
Dr. Caplan holds Maryland license D76618.
Which hospitals is Dr. Justin Michael Caplan affiliated with?
Dr. Caplan is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Caplan to 1 more hospital.
What medical group is Dr. Justin Michael Caplan part of?
Dr. Caplan is linked to Johns Hopkins University. Dmand AI links Dr. Caplan to 1 more medical group.
Does Dr. Justin Michael Caplan accept Medicare?
Yes. CMS data shows Dr. Caplan billed Medicare for 361 services in 2024.
Does Dr. Justin Michael Caplan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Caplan as offering telehealth services.
What is Dr. Justin Michael Caplan's MIPS score?
Dr. Caplan's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Justin Michael Caplan see?
CMS counts 135 Medicare patients who saw Dr. Caplan in 2024, with an average age of 72.
Is Dr. Justin Michael Caplan board certified?
Yes. Dr. Caplan is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. Justin Michael Caplan bill to Medicare?
In 2024, Dr. Caplan's most billed Medicare services were hospital inpatient care (99231), ultrasound (76937) and diagnostic imaging (76377).
Where did Dr. Justin Michael Caplan go to medical school?
Dr. Caplan graduated from Harvard Medical School in 2009.
Has Dr. Justin Michael Caplan received payments from drug or device companies?
CMS Open Payments shows $8,413 in general payments to Dr. Caplan from 12 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. Justin Michael Caplan been practicing?
Dr. Caplan graduated from medical school in 2009, 17 years ago.
Does Dr. Justin Michael Caplan do research?
Dmand AI links 84 publications to Dr. Caplan, published from 2016 to 2025.
Who does Dr. Justin Michael Caplan publish with?
Dr. Caplan's most frequent co-authors are Judy Huang, DO (62 shared papers), Judy Huang, MD (47 shared papers) and Wuyang Yang, MD, MS (37 shared papers).
Selling to neurological surgery practices?
See neurosurgeons in Maryland 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