Dr. John Marshall Ham, MD
- Medicare services, 2021
- 23
- Industry payments
- $814
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 1120 Shadow Ln, Las Vegas, NV 89102-2342
- Practice phone
- Call (702) 383-2224
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Ham'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. John Marshall Ham is a vascular surgeon in Las Vegas, Nevada
Dr. Ham practices in Las Vegas, Nevada.
Dr. Ham's NPI, 1104834639, was assigned on August 3, 2006. Dr. Ham holds Nevada license 13783.
- NPI
- 1104834639NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (702) 383-2224
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Marshall Ham's practice address is in Las Vegas, Nevada
Dr. Ham's practice address in the NPI Registry is 1120 Shadow Ln, Las Vegas, NV 89102-2342. The practice phone is (702) 383-2224.
- NPI Registry address1120 Shadow Ln, Las Vegas, NV 89102-2342Phone(702) 383-2224
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Marshall Ham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ham practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Ham's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Marshall Ham is one of 33 vascular surgeons in Nevada
Vascular surgery is Dr. Ham's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Ham's licenses on file in 2 states: Nevada and Oregon.
Specialties and state licenses
- Vascular surgery, NevadaPrimary
- Oregon license
Vascular surgeons near Dr. Ham
Counts of vascular 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
Dr. John Marshall Ham billed Medicare for 23 services in 2021
CMS data shows 23 Medicare services from Dr. Ham across 1 procedure code in 2021, all of them office visits. Medicare paid $1,267 for them. Every service was in an office.
Dr. Ham's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 512021: 2355%
- Surgery
- 2020: 172021: 0100%
Dr. Ham compared with the Nevada median for vascular surgeons, 2021
- Dr. Ham
- Nevada median
- Medicare services
- 23vs 33993% below
Medians across 28 vascular surgeons in Nevada with Dmand AI profiles that report each measure.
Dr. Ham's most billed Medicare procedure codes, 2021
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. Ham?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ham and other vascular surgeons in Nevada.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. John Marshall Ham received $814 in industry payments from 2016 to 2022
CMS Open Payments shows 23 general payments to Dr. Ham from 13 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Veloxis Pharmaceuticals, Inc. paid the most, $268.
General payments to Dr. Ham by program year, 2016 to 2022
Companies that paid Dr. Ham the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Marshall Ham'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 |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Marshall Ham
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 Marshall Ham's NPI number?
Dr. John Marshall Ham's NPI number is 1104834639. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Marshall Ham?
Dr. John Marshall Ham is a vascular surgeon in Las Vegas, Nevada. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. John Marshall Ham practice?
Dr. Ham practices at 1120 Shadow Ln, Las Vegas, NV 89102-2342.
What is Dr. John Marshall Ham's office phone number?
The practice phone on file for Dr. Ham is (702) 383-2224.
What is Dr. John Marshall Ham's medical license number?
Dr. Ham holds Nevada license 13783, one of the licenses on file in 2 states.
Which states has Dr. John Marshall Ham been licensed in?
Dmand AI has state licenses on file for Dr. Ham in Nevada and Oregon.
Does Dr. John Marshall Ham accept Medicare?
Yes. CMS data shows Dr. Ham billed Medicare for 23 services in 2021.
What services does Dr. John Marshall Ham bill to Medicare?
In 2021, Dr. Ham's most billed Medicare services were office visit, new patient (99202).
Has Dr. John Marshall Ham received payments from drug or device companies?
CMS Open Payments shows $814 in general payments to Dr. Ham from 13 companies from 2016 to 2022. The largest total came from Veloxis Pharmaceuticals, Inc.
How long has Dr. John Marshall Ham been practicing?
Dr. Ham's NPI was assigned in 2006.
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