Nels Davis Carroll
- Medicare services, 2024
- 114
- Medicare patients, 2024
- 91
- Part D claims, 2024
- 11
- Publications
- 11
- Hospital affiliations
- 3
- Practice address
- 2500 Grant Road, Mountain View, CA 94040
- Practice phone
- Call (650) 940-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Nels Carroll'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.
Nels Davis Carroll is a cardiothoracic surgeon in Mountain View, California
Nels Carroll practices at El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District.
Nels Carroll's NPI, 1396122099, was assigned on May 1, 2015. Nels Carroll graduated from Lewis Katz School of Medicine in 2015. Nels Carroll holds California license A192800.
- NPI
- 1396122099NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638462344
- NPI enumeration date
- May 1, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 940-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nels Davis Carroll practices at El Camino Health - Mountain View Hospital in Mountain View, California
Nels Carroll's primary practice is El Camino Health - Mountain View Hospital, at 2500 Grant Road, Mountain View, CA 94040 in Santa Clara County. The practice phone is (650) 940-7000.
- El Camino Health - Mountain View Hospital2500 Grant Road, Mountain View, CA 94040 · Santa Clara CountyPhone(650) 940-7000
Source: Dmand AI Affiliation Data
Nels Davis Carroll is affiliated with 5 sites of care and 3 medical groups
Nels Carroll's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Nels Carroll is also affiliated with UCLA West Valley Medical Center. The medical group on file is El Camino Health Medical Network. Dmand AI also links Nels Carroll to 1 more hospital, 2 hospital outpatient departments and 2 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 Nels Davis Carroll's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nels Carroll practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Camino Health - Mountain View Hospital | Available with a free account |
| +4 more sites and 2 medical groups | 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 El Camino Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Nels Davis Carroll is one of 568 cardiothoracic surgeons in California
Thoracic surgery (cardiothoracic vascular surgery) is Nels Carroll's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Nels Carroll is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery. Dmand AI has Nels Carroll's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), CaliforniaPrimary
- Washington license
Clinical focus
Dmand AI lists heart bypass surgery, heart valve surgery and lung resection among the conditions Nels Carroll treats.
Cardiothoracic surgeons near Nels Carroll
Counts of cardiothoracic surgeons 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
Nels Davis Carroll billed Medicare for 114 services in 2024
CMS data shows 114 Medicare services from Nels Carroll across 6 procedure codes in 2024, for 91 Medicare patients. Medicare paid $19,738 for them. Every service was in a facility, such as a hospital, rather than an office.
Nels Carroll's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1012024: 8714%
- Surgery
- 2023: 1122024: 2776%
Nels Carroll compared with the California median for cardiothoracic surgeons, 2024
- Nels Carroll
- California median
- Medicare services
- 114vs 114Close to median
- Medicare patients
- 91vs 95Close to median
- Part D claims
- 11vs 1942% below
Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.
Nels Carroll'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 Nels Carroll?
Medicare shows one payer. Book a meeting to get commercial claims data for Nels Carroll and other cardiothoracic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Nels Davis Carroll treated 91 Medicare patients in 2024, average age 77
CMS counts 91 Medicare patients who saw Nels Carroll in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Nels Carroll's median patient age at 72, with 45% women.
Nels Carroll's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Nels Carroll's Medicare patients by sex, 2024
- Women3640%
- Men5560%
Chronic conditions among Nels Carroll's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease71%
- Arthritis57%
- Heart failure47%
- Atrial fibrillation42%
- COPD41%
- Cancer36%
Share of Medicare patients with each condition. A patient can have several.
Nels Carroll's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Nels Davis Carroll wrote 11 Medicare Part D claims in 2024
In 2024, Nels Carroll wrote 11 Medicare Part D claims. 100% of them were for generic drugs. They cover 1 drug, with $42 in total drug cost.
Nels Carroll's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Nels Davis Carroll ranks in the 61st percentile for coronary artery bypass graft (cabg) in Medicare
Nels Carroll accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of coronary artery bypass graft (cabg) by Nels Carroll, more than 61% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Nels Carroll ranks in Medicare procedure volume
- Coronary artery bypass graft (CABG)
- 61st percentile17 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Nels Davis Carroll has 11 publications on record
Dmand AI links 11 papers to Nels Carroll, published from 2016 to 2020. 2019 was the busiest year, with 4. The most frequent topics are Aortic Valve. Nels Carroll has published most often in J Thorac Cardiovasc Surg. Nels Carroll's most frequent co-authors are Dawn Szu-Fei Hui, MD, Gorav Ailawadi, MD and Kevin M. Beers, DO.
Nels Carroll's papers by year, 2016 to 2020
Topics Nels Carroll writes about most
- Aortic Valve
Nels Carroll's most frequent co-authors
Recent publications by Nels Carroll
J Thorac Cardiovasc Surg
J Thorac Cardiovasc Surg
Ann Thorac Surg
See who Nels Carroll researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Nels Carroll works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Nels Davis Carroll received $27,180 in industry payments from 2019 to 2025
CMS Open Payments shows 161 general payments to Nels Carroll from 18 drug and device companies from 2019 to 2025. Education make up the largest share, 54% of the total. Intuitive Surgical, Inc. paid the most, $17,859.
General payments to Nels Carroll by program year, 2019 to 2025
General payments to Nels Carroll by kind, 2019 to 2025
- Education$14,69354%
- Travel and lodging$7,63228%
- Food and beverage$4,85418%
Companies that paid Nels Carroll the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Nels Davis Carroll graduated from Lewis Katz School of Medicine
Nels Carroll graduated from Lewis Katz School of Medicine in 2015.
- Medical school
- Board certified in thoracic and cardiac surgery
Source: Dmand AI Professional Profile Data
Nels Davis Carroll accepts plans from 9 insurance carriers
Nels Carroll is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, Cigna and Humana. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Cigna
- Humana
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Nels Carroll accepts, by number of carriers
- Medicare9
- PPO8
- HMO4
- POS1
Source: Dmand AI Insurance Network Data
Sources for Nels Davis Carroll'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)Doctors and Clinicians Utilization Data (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 |
| 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 Nels Davis Carroll
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Nels Davis Carroll's NPI number?
Nels Davis Carroll's NPI number is 1396122099. It was assigned on May 1, 2015, and it is active in the NPI Registry.
What does Nels Davis Carroll specialize in?
Nels Davis Carroll is a cardiothoracic surgeon in Mountain View, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Nels Davis Carroll practice?
Nels Carroll practices at 2500 Grant Road, Mountain View, CA 94040. Nels Carroll's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dmand AI also links Nels Carroll to 1 hospital, 2 hospital outpatient departments and 2 medical groups.
What is Nels Davis Carroll's office phone number?
The practice phone on file for Nels Carroll is (650) 940-7000.
What is Nels Davis Carroll's medical license number?
Nels Carroll holds California license A192800, one of the licenses on file in 2 states.
Which states has Nels Davis Carroll been licensed in?
Dmand AI has state licenses on file for Nels Carroll in California (2024 to 2026) and Washington (2021 to 2026).
Which hospitals is Nels Davis Carroll affiliated with?
Nels Carroll practices at El Camino Health - Mountain View Hospital in Mountain View, California. Nels Carroll is also affiliated with UCLA West Valley Medical Center. Dmand AI links Nels Carroll to 1 more hospital.
What medical group is Nels Davis Carroll part of?
Nels Carroll is linked to El Camino Health Medical Network. Dmand AI links Nels Carroll to 2 more medical groups.
Does Nels Davis Carroll accept Medicare?
Yes. CMS data shows Nels Carroll billed Medicare for 114 services in 2024, and Nels Carroll accepts Medicare assignment.
How many Medicare patients does Nels Davis Carroll see?
CMS counts 91 Medicare patients who saw Nels Carroll in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Nels Davis Carroll board certified?
Yes. Nels Carroll is board certified in thoracic and cardiac surgery by the American Board of Thoracic Surgery.
What services does Nels Davis Carroll bill to Medicare?
In 2024, Nels Carroll's most billed Medicare services were office visit, established patient (99215), hospital inpatient care (99232) and surgery: heart and blood vessels (33361).
Where did Nels Davis Carroll go to medical school?
Nels Carroll graduated from Lewis Katz School of Medicine in 2015.
What drugs does Nels Davis Carroll prescribe most?
In 2023 Medicare Part D data, Nels Carroll's most prescribed drugs by claims were Tramadol HCl.
Has Nels Davis Carroll received payments from drug or device companies?
CMS Open Payments shows $27,180 in general payments to Nels Carroll from 18 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Nels Davis Carroll been practicing?
Nels Carroll graduated from medical school in 2015, 11 years ago.
Does Nels Davis Carroll do research?
Dmand AI links 11 publications to Nels Carroll, published from 2016 to 2020.
Who does Nels Davis Carroll publish with?
Nels Carroll's most frequent co-authors are Dawn Szu-Fei Hui, MD (3 shared papers), Gorav Ailawadi, MD (1 shared paper) and Kevin M. Beers, DO (1 shared paper).
What insurance does Nels Davis Carroll accept?
Nels Carroll is in network with 9 carriers, including Blue Cross Blue Shield of Michigan, Cigna and Humana. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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