The Neuroimmune Axis in Gastrointestinal Disorders - An Underrecognized Problem (opens in a new tab)
Curr Gastroenterol Rep
Primary practice
Find Dr. Hemp'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. Hemp practices at Scripps Mercy Hospital San Diego in San Diego, California, part of Scripps Health.
Dr. Hemp's NPI, 1124006382, was assigned on January 6, 2006. Dr. Hemp graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1983. Dr. Hemp holds California license G53854.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hemp's primary practice is Scripps Mercy Hospital San Diego, at 4077 5th Ave, San Diego, CA 92103 in San Diego County. The practice phone is (619) 294-8111.
Source: Dmand AI Affiliation Data
Dr. Hemp's primary practice is Scripps Mercy Hospital San Diego in San Diego, California, part of Scripps Health. Dr. Hemp is also affiliated with Scripps Memorial Hospital La Jolla. The medical group on file is Scripps Clinic Medical Group. Dmand AI also links Dr. Hemp to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hemp practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Scripps Mercy Hospital San Diego | 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 Scripps Health and 6.2K+ hospitals, with verified contacts in the same login.
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Hemp's primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dr. Hemp is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Hemp's licenses on file in 5 states: California, Montana, Arizona, Oregon and Illinois.
Dmand AI lists heart bypass surgery, heart valve surgery and lung resection among the conditions Dr. Hemp treats.
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
CMS data shows 430 Medicare services from Dr. Hemp across 11 procedure codes in 2024, for 269 Medicare patients. Medicare paid $117,481 for them.
Medians across 453 cardiothoracic surgeons in California with Dmand AI profiles that report each measure.
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. Hemp?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hemp and other cardiothoracic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 269 Medicare patients who saw Dr. Hemp in 2024. The largest group is 65 to 74, with 115 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.60, 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. Hemp's median patient age at 72, with 40% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 72
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
In 2023, Dr. Hemp wrote 57 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $661 in total drug cost. In 2022, CMS named 93 claims across 1 drug.
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drugs named by CMS: 1 in 2023, 1 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Hemp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hemp as offering telehealth.
Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (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.
Dmand AI links 52 papers to Dr. Hemp, published from 2007 to 2025. 2015 was the busiest year, with 12. The most frequent topics are Oxidation-Reduction, Oxygen and Phylogeny. Dr. Hemp has published most often in Genome Announc. Dr. Hemp's most frequent co-authors are Laura Armstrong Pace, MD, PhD, James D. Murray, MD and Joelle Marie Coletta, MD.
Topics Dr. Hemp writes about most
Curr Gastroenterol Rep
Proc Natl Acad Sci U S A
See who Dr. Hemp researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hemp 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
CMS Open Payments shows 784 general payments to Dr. Hemp from 32 drug and device companies from 2016 to 2025. Education make up the largest share, 64% of the total. Intuitive Surgical, Inc. paid the most, $356,711.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dmand AI lists 6 awards for Dr. Hemp, most recently Top Doctors:San Diego Area in 2013.
Source: Dmand AI Professional Profile Data
Dr. Hemp graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1983. Dr. Hemp is a member of ACC, ACS and SVS.
Source: Dmand AI Professional Profile Data
Dr. Hemp is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
Source: Dmand AI Insurance Network 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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
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Dr. James R. Hemp's NPI number is 1124006382. It was assigned on January 6, 2006, and it is active in the NPI Registry.
Dr. James R. Hemp is a cardiothoracic surgeon in San Diego, California. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Dr. Hemp practices at 4077 5th Ave, San Diego, CA 92103. Dr. Hemp's primary practice is Scripps Mercy Hospital San Diego in San Diego, California, part of Scripps Health. Dmand AI also links Dr. Hemp to 2 group practices and clinics, 1 home health agency and 1 medical group.
The practice phone on file for Dr. Hemp is (619) 294-8111.
Dr. Hemp holds California license G53854, one of the licenses on file in 5 states.
Dmand AI has state licenses on file for Dr. Hemp in California (1984 to 2026), Montana (1997 to 2027), Arizona (2006 to 2026), Oregon (1998 to 2025) and Illinois (1990 to 1993).
Dr. Hemp practices at Scripps Mercy Hospital San Diego in San Diego, California. Dr. Hemp is also affiliated with Scripps Memorial Hospital La Jolla.
Dr. Hemp is linked to Scripps Clinic Medical Group. Dmand AI links Dr. Hemp to 1 more medical group.
Yes. CMS data shows Dr. Hemp billed Medicare for 430 services in 2024, and Dr. Hemp accepts Medicare assignment.
Yes. The CMS Doctors and Clinicians file lists Dr. Hemp as offering telehealth services.
CMS counts 269 Medicare patients who saw Dr. Hemp in 2024, with an average age of 76.
Yes. Dr. Hemp is board certified in surgery by the American Board of Surgery.
In 2024, Dr. Hemp's most billed Medicare services were care management and other visits (99441), office visit, new patient (99204) and hospital inpatient care (99223).
Dr. Hemp graduated from Uniformed Services University, F. Edward Hebert School of Medicine in 1983.
In 2023 Medicare Part D data, Dr. Hemp's most prescribed drugs by claims were Mupirocin.
CMS Open Payments shows $424,510 in general payments to Dr. Hemp from 32 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
Dr. Hemp graduated from medical school in 1983, 43 years ago.
Dmand AI links 52 publications to Dr. Hemp, published from 2007 to 2025.
Dr. Hemp's most frequent co-authors are Laura Armstrong Pace, MD, PhD (19 shared papers), James D. Murray, MD (3 shared papers) and Joelle Marie Coletta, MD (2 shared papers).
Dr. Hemp is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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