Dr. Mark S. Ransom, MD
- Medicare services, 2024
- 54
- Medicare patients, 2024
- 86
- Industry payments
- $5,952
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 6121 Paseo Del Norte Suite 100, Carlsbad, CA 92011
- Practice phone
- Call (760) 448-2488
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Carlsbad Surgery Center
Surgery Center - Medicare-Certified · Carlsbad, California
Find Dr. Ransom'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. Mark S. Ransom is an anesthesiologist in Carlsbad, California
Dr. Ransom practices at The Carlsbad Surgery Center in Carlsbad, California.
Dr. Ransom's NPI, 1770596033, was assigned on August 15, 2006. Dr. Ransom graduated from Perelman School of Medicine - Philadelphia in 1986. Dr. Ransom holds California license G61882.
- NPI
- 1770596033NPI Registry (opens in a new tab)
- NPI enumeration date
- August 15, 2006
- NPI status
- Active
- Practice phone
- (760) 448-2488
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark S. Ransom practices at 2 locations in Carlsbad, California
Dr. Ransom's primary practice is The Carlsbad Surgery Center, at 6121 Paseo Del Norte Suite 100, Carlsbad, CA 92011. The practice phone is (760) 448-2488. Dr. Ransom also practices at Carlsbad Surgery Center, LLC, 6120 Paseo Del Norte, Carlsbad, CA 92011.
- The Carlsbad Surgery CenterPrimary6121 Paseo Del Norte Suite 100, Carlsbad, CA 92011Phone(760) 448-2488
- Carlsbad Surgery Center, LLC6120 Paseo Del Norte, Carlsbad, CA 92011 · San Diego CountyPhone(760) 448-2488
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Mark S. Ransom is affiliated with 2 sites of care and 1 medical group
Dr. Ransom's primary practice is The Carlsbad Surgery Center in Carlsbad, California. The medical group on file is Anesthesia Service Medical Group (ASMG). Dmand AI also links Dr. Ransom to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark S. Ransom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ransom practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Carlsbad Surgery Center | Available with a free account |
| +1 more affiliated site | 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. Mark S. Ransom is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Ransom's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Ransom is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Ransom's licenses on file in 3 states: California, Arizona and Ohio.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Arizona license
- Ohio license
Anesthesiologists near Dr. Ransom
Counts of anesthesiologists 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. Mark S. Ransom billed Medicare for 54 services in 2024
CMS data shows 54 Medicare services from Dr. Ransom across 3 procedure codes in 2024, for 86 Medicare patients. Medicare paid $4,750 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ransom's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 652024: 4235%
- Surgery
- 2023: 212024: 1243%
Dr. Ransom compared with the California median for anesthesiologists, 2024
- Dr. Ransom
- California median
- Medicare services
- 54vs 7225% below
- Medicare patients
- 86vs 14340% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Ransom'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. Ransom?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ransom and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Ransom treated 86 Medicare patients in 2024, average age 72
CMS counts 86 Medicare patients who saw Dr. Ransom in 2024. The largest group is 65 to 74, with 60 patients. 67% of them have arthritis, and 65% have high cholesterol. Their average risk score is 0.71, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ransom's median patient age at 65, with 50% women.
Dr. Ransom's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ransom's Medicare patients by sex, 2024
- Women5260%
- Men3440%
Chronic conditions among Dr. Ransom's Medicare patients, 2024
- Arthritis67%
- High cholesterol65%
- High blood pressure51%
- Ischemic heart disease24%
- Anxiety17%
- Diabetes16%
- Mood disorders16%
- Depression13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ransom'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
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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. Mark S. Ransom received $5,952 in industry payments from 2016 to 2024
CMS Open Payments shows 36 general payments to Dr. Ransom from 12 drug and device companies from 2016 to 2024. Speaker and faculty fees make up the largest share, 47% of the total. Pacira Pharmaceuticals Incorporated paid the most, $4,668.
General payments to Dr. Ransom by program year, 2016 to 2024
General payments to Dr. Ransom by kind, 2016 to 2024
- Speaker and faculty fees$2,81047%
- Food and beverage$1,98533%
- Travel and lodging$1,15719%
Companies that paid Dr. Ransom the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark S. Ransom graduated from Perelman School of Medicine - Philadelphia
Dr. Ransom graduated from Perelman School of Medicine - Philadelphia in 1986.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Mark S. Ransom accepts plans from 5 insurance carriers
Dr. Ransom is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- Elevance
- HCSC
Plan types Dr. Ransom accepts, by number of carriers
- PPO3
- POS2
- EPO1
- HMO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark S. Ransom'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 Affiliation DataDmand AI Practice 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) |
| 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 Dr. Mark S. Ransom
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. Mark S. Ransom's NPI number?
Dr. Mark S. Ransom's NPI number is 1770596033. It was assigned on August 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Ransom?
Dr. Mark S. Ransom is an anesthesiologist in Carlsbad, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark S. Ransom practice?
Dr. Ransom practices at 6121 Paseo Del Norte Suite 100, Carlsbad, CA 92011. Dr. Ransom also practices at 6120 Paseo Del Norte, Carlsbad, CA 92011. Dr. Ransom's primary practice is The Carlsbad Surgery Center in Carlsbad, California. Dmand AI also links Dr. Ransom to 1 group practice or clinic.
What is Dr. Mark S. Ransom's office phone number?
The practice phone on file for Dr. Ransom is (760) 448-2488.
What is Dr. Mark S. Ransom's medical license number?
Dr. Ransom holds California license G61882, one of the licenses on file in 3 states.
Which states has Dr. Mark S. Ransom been licensed in?
Dmand AI has state licenses on file for Dr. Ransom in California (1987 to 2027), Arizona (since 1994) and Ohio (1993 to 2018).
What medical group is Dr. Mark S. Ransom part of?
Dr. Ransom is linked to Anesthesia Service Medical Group (ASMG).
Does Dr. Mark S. Ransom accept Medicare?
Yes. CMS data shows Dr. Ransom billed Medicare for 54 services in 2024.
How many Medicare patients does Dr. Mark S. Ransom see?
CMS counts 86 Medicare patients who saw Dr. Ransom in 2024, with an average age of 72.
Is Dr. Mark S. Ransom board certified?
Yes. Dr. Ransom is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Mark S. Ransom bill to Medicare?
In 2024, Dr. Ransom's most billed Medicare services were anesthesia (01810), anesthesia (01400) and surgery: brain, spine and nerves (64415).
Where did Dr. Mark S. Ransom go to medical school?
Dr. Ransom graduated from Perelman School of Medicine - Philadelphia in 1986.
Has Dr. Mark S. Ransom received payments from drug or device companies?
CMS Open Payments shows $5,952 in general payments to Dr. Ransom from 12 companies from 2016 to 2024. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Mark S. Ransom been practicing?
Dr. Ransom graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Mark S. Ransom accept?
Dr. Ransom is in network with 5 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
Selling to anesthesiology practices?
See anesthesiologists in California 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