Shannon O'Neil Huennekens Maj, MD
Psychiatry Physician · Providence, RI
Shannon O'Neil Huennekens Maj, MD is a psychiatry physician with a practice address in Providence, Rhode Island, and NPI 1952821787, issued on Jun 22, 2017. Check the license (Rhode Island MD17329, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Shannon O'Neil Huennekens Maj
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- MD17329 RI
Self-reported in NPPES; status is on the state search - Practice location
- 345 Blackstone Blvd, Providence, RI 02906
- Phone
- (401) 455-6375
- Enumerated
- Jun 22, 2017
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 383 in Rhode Island → Look up another NPI →
Also registered at 345 Blackstone Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Raja Ramis Akhtar, MDPsychiatry Physician1326609488
- Modupe Akinfolarin, NP-CGerontology Nurse Practitioner1871899773
Verify Shannon O'Neil Huennekens Maj in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD17329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average psychiatry physician in 2024
86 Medicare Part D claims for 50 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Shannon O'Neil Huennekens Maj among 383 psychiatry physician records in Rhode Island
Shannon O'Neil Huennekens Maj, MD is one of 383 psychiatry physician records with a practice address in Rhode Island. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 72% of them.
- NPI issued2017 · 72% of these records are older, 24% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
270 psychiatry physician records list a practice address in Providence
They are 270 of the 9,647 NPPES records with a practice address in Providence, and 383 psychiatry physician records in Rhode Island.
All 383 in Rhode Island → Every provider in Providence → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Kathleen Askland, MDProvidence, RI 029061568443992
- Jeffrey Burock, MDProvidence, RI 029061023096278
- Jamil Chaudhry, MDProvidence, RI 029061952337511
- Gloria Davis, MDProvidence, RI 029061376572651
- James Greer, MDProvidence, RI 029061548268303
- Francis Haines, MDProvidence, RI 029061972547859
- Paul Lieberman, M.D.Providence, RI 029061194753343
- Wanda Needleman, M.D.Providence, RI 029061336196922
Common questions
What is Shannon O'Neil Huennekens Maj, MD's NPI number?
Shannon O'Neil Huennekens Maj, MD's National Provider Identifier (NPI) is 1952821787, issued on Jun 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Shannon O'Neil Huennekens Maj, MD located?
The NPPES record lists a practice address at 345 Blackstone Blvd, Providence, RI, 02906. Phone: (401) 455-6375. Providers update this record themselves, so call before visiting.
How can I verify Shannon O'Neil Huennekens Maj, MD's license?
NPPES lists Rhode Island license number MD17329, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shannon O'Neil Huennekens Maj, MD prescribe under Medicare Part D?
In 2024, Shannon O'Neil Huennekens Maj, MD had 86 Medicare Part D claims for 50 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.