Dr. John Sampson, MD
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 117
- Hospital affiliations
- 2
- Industry payments
- $902
- Medical groups
- 4
- Practice address
- 4940 Eastern Avenue, Baltimore, MD 21224
- Practice phone
- Call (410) 550-0123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sampson's professional email, personal email and mobile number
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Dr. John Sampson is an anesthesiologist in Baltimore, Maryland
Dr. Sampson practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System.
Dr. Sampson's NPI, 1215969332, was assigned on July 7, 2006. Dr. Sampson graduated from University of California, San Francisco School of Medicine in 1989. Dr. Sampson holds Maryland license D43109.
- NPI
- 1215969332NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143295758
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Practice phone
- (410) 550-0123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Sampson practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland
Dr. Sampson's primary practice is Johns Hopkins Bayview Medical Center, at 4940 Eastern Avenue, Baltimore, MD 21224 in Baltimore City. The practice phone is (410) 550-0123.
- Johns Hopkins Bayview Medical Center4940 Eastern Avenue, Baltimore, MD 21224 · Baltimore CityPhone(410) 550-0123
Source: Dmand AI Affiliation Data
Dr. John Sampson is affiliated with 2 sites of care and 4 medical groups
Dr. Sampson's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System. Dr. Sampson is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Sampson to 3 more 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 Dr. John Sampson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sampson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Bayview Medical Center | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Sampson is one of 965 anesthesiologists in Maryland
Anesthesiology is Dr. Sampson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Sampson is licensed in Maryland.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
Anesthesiologists near Dr. Sampson
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. John Sampson billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. Sampson across 2 procedure codes in 2024, for 117 Medicare patients. Medicare paid $11,048 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sampson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 272024: 1930%
- Surgery
- 2023: 332024: 1845%
- Office and hospital visits
- 2023: 182024: 0100%
Dr. Sampson compared with the Maryland median for anesthesiologists, 2024
- Dr. Sampson
- Maryland median
- Medicare services
- 37vs 10163% below
- Medicare patients
- 117vs 17634% below
Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Sampson'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. Sampson and other anesthesiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Sampson treated 117 Medicare patients in 2024, average age 71
CMS counts 117 Medicare patients who saw Dr. Sampson in 2024. The largest group is 75 to 84, with 42 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.20, 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. Sampson's median patient age at 69, with 67% women.
Dr. Sampson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sampson's Medicare patients by sex, 2024
- Women6152%
- Men5648%
Chronic conditions among Dr. Sampson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Mood disorders46%
- Anxiety39%
- Depression39%
- Ischemic heart disease39%
- Chronic kidney disease34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sampson'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
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
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Dr. John Sampson received $902 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Sampson from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Masimo Corporation paid the most, $289.
General payments to Dr. Sampson by program year, 2016 to 2025
General payments to Dr. Sampson by kind, 2016 to 2025
- Food and beverage$87797%
- Consulting fees$253%
Companies that paid Dr. Sampson 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 Sampson graduated from University of California, San Francisco School of Medicine
Dr. Sampson graduated from University of California, San Francisco School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Sampson'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) |
| 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 Sampson
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 Sampson's NPI number?
Dr. John Sampson's NPI number is 1215969332. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Sampson?
Dr. John Sampson is an anesthesiologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Sampson practice?
Dr. Sampson practices at 4940 Eastern Avenue, Baltimore, MD 21224. Dr. Sampson's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System. Dmand AI also links Dr. Sampson to 3 medical groups.
What is Dr. John Sampson's office phone number?
The practice phone on file for Dr. Sampson is (410) 550-0123.
What is Dr. John Sampson's medical license number?
Dr. Sampson holds Maryland license D43109.
Which hospitals is Dr. John Sampson affiliated with?
Dr. Sampson practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland. Dr. Sampson is also affiliated with The Johns Hopkins Hospital.
What medical group is Dr. John Sampson part of?
Dr. Sampson is linked to Johns Hopkins University. Dmand AI links Dr. Sampson to 3 more medical groups.
Does Dr. John Sampson accept Medicare?
Yes. CMS data shows Dr. Sampson billed Medicare for 37 services in 2024.
How many Medicare patients does Dr. John Sampson see?
CMS counts 117 Medicare patients who saw Dr. Sampson in 2024, with an average age of 71.
What services does Dr. John Sampson bill to Medicare?
In 2024, Dr. Sampson's most billed Medicare services were anesthesia (00670) and surgery: heart and blood vessels (36620).
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Where did Dr. John Sampson go to medical school?
Dr. Sampson graduated from University of California, San Francisco School of Medicine in 1989.
Has Dr. John Sampson received payments from drug or device companies?
CMS Open Payments shows $902 in general payments to Dr. Sampson from 7 companies from 2016 to 2025. The largest total came from Masimo Corporation.
How long has Dr. John Sampson been practicing?
Dr. Sampson graduated from medical school in 1989, 37 years ago.
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