Dr. Shannon O'Neil Huennekens Maj, MD
- Medicare services, 2023
- 85
- Part D claims, 2024
- 86
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 1201 Broad Rock Boulevard, Richmond, VA 23249
- Practice phone
- Call (804) 675-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Maj'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. Shannon O'Neil Huennekens Maj is a psychiatrist in Richmond, Virginia
Dr. Maj practices at Richmond VA Medical Center in Richmond, Virginia, part of Veterans Health Administration.
Dr. Maj's NPI, 1952821787, was assigned on June 22, 2017. Dr. Maj graduated from Eastern Virginia Medical School in 2017. Dr. Maj holds Rhode Island license MD17329.
- NPI
- 1952821787NPI Registry (opens in a new tab)
- NPI enumeration date
- June 22, 2017
- NPI status
- Active
- Practice phone
- (804) 675-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Shannon O'Neil Huennekens Maj practices at Richmond VA Medical Center in Richmond, Virginia
Dr. Maj's primary practice is Richmond VA Medical Center, at 1201 Broad Rock Boulevard, Richmond, VA 23249 in Richmond City. The practice phone is (804) 675-5000.
- Richmond VA Medical Center1201 Broad Rock Boulevard, Richmond, VA 23249 · Richmond CityPhone(804) 675-5000
Source: Dmand AI Affiliation Data
Dr. Shannon O'Neil Huennekens Maj is affiliated with 1 site of care
Dr. Maj's primary practice is Richmond VA Medical Center in Richmond, Virginia, part of Veterans Health Administration. Dr. Maj's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shannon O'Neil Huennekens Maj's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maj practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shannon O'Neil Huennekens Maj is one of 1,014 psychiatrists in Virginia
Psychiatry is Dr. Maj's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Maj is licensed in Rhode Island.
Specialties and state licenses
- Psychiatry, Rhode IslandPrimary
Psychiatrists near Dr. Maj
Counts of psychiatrists 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. Shannon O'Neil Huennekens Maj billed Medicare for 85 services in 2023
CMS data shows 85 Medicare services from Dr. Maj across 2 procedure codes in 2023, all of them office visits. Medicare paid $5,028 for them. Every service was in an office.
Dr. Maj's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1402023: 8539%
Dr. Maj compared with the Virginia median for psychiatrists, 2023
- Dr. Maj
- Virginia median
- Medicare services
- 85vs 15545% below
- Part D claims
- 5,278vs 15733.6 times
Medians across 1,072 psychiatrists in Virginia with Dmand AI profiles that report each measure.
Dr. Maj's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shannon O'Neil Huennekens Maj's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Dr. Maj's median patient age at 42, with 0% women.
Dr. Maj's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Shannon O'Neil Huennekens Maj wrote 86 Medicare Part D claims in 2024
In 2024, Dr. Maj wrote 86 Medicare Part D claims for 50 patients. 88% of them were for generic drugs. They cover 62 drugs, with $891,722 in total drug cost. In 2022, CMS named 4,652 claims across 57 drugs.
Dr. Maj's Part D claims by kind of drug, 2024
- Generic76 claims88%
- Brand-name and other10 claims12%
Dr. Maj'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.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 4,6522023: 5,27813%
Drugs named by CMS: 62 in 2023, 57 in 2022.
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
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Dr. Shannon O'Neil Huennekens Maj graduated from Eastern Virginia Medical School
Dr. Maj graduated from Eastern Virginia Medical School in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Shannon O'Neil Huennekens Maj'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 Data |
| 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) |
| 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. Shannon O'Neil Huennekens Maj
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. Shannon O'Neil Huennekens Maj's NPI number?
Dr. Shannon O'Neil Huennekens Maj's NPI number is 1952821787. It was assigned on June 22, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Shannon O'Neil Huennekens Maj?
Dr. Shannon O'Neil Huennekens Maj is a psychiatrist in Richmond, Virginia. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Shannon O'Neil Huennekens Maj practice?
Dr. Maj practices at 1201 Broad Rock Boulevard, Richmond, VA 23249. Dr. Maj's primary practice is Richmond VA Medical Center in Richmond, Virginia, part of Veterans Health Administration.
What is Dr. Shannon O'Neil Huennekens Maj's office phone number?
The practice phone on file for Dr. Maj is (804) 675-5000.
What is Dr. Shannon O'Neil Huennekens Maj's medical license number?
Dr. Maj holds Rhode Island license MD17329.
Which hospitals is Dr. Shannon O'Neil Huennekens Maj affiliated with?
Dr. Maj practices at Richmond VA Medical Center in Richmond, Virginia.
Does Dr. Shannon O'Neil Huennekens Maj accept Medicare?
Yes. CMS data shows Dr. Maj billed Medicare for 85 services in 2023.
What services does Dr. Shannon O'Neil Huennekens Maj bill to Medicare?
In 2023, Dr. Maj's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Shannon O'Neil Huennekens Maj go to medical school?
Dr. Maj graduated from Eastern Virginia Medical School in 2017.
What drugs does Dr. Shannon O'Neil Huennekens Maj prescribe most?
In 2023 Medicare Part D data, Dr. Maj's most prescribed drugs by claims were Clonazepam, Trazodone HCl and Quetiapine Fumarate.
How long has Dr. Shannon O'Neil Huennekens Maj been practicing?
Dr. Maj graduated from medical school in 2017, 9 years ago.
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