Mary Kristine Lajoy, MD
Psychiatry Physician · Providence, RI
Mary Kristine Lajoy, MD is a psychiatry physician with a practice address in Providence, Rhode Island, and NPI 1790096790, issued on Jun 24, 2010. Check the license (Rhode Island LP02051, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mary Kristine Lajoy
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- LP02051 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 24, 2010
- Record last updated
- Jun 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (401) 455-6497
- 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 Mary Kristine Lajoy 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 LP02051Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
61 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Sertraline Hcl23 claims
- Quetiapine Fumarate11 claims
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.
Mary Kristine Lajoy among 383 psychiatry physician records in Rhode Island
Mary Kristine Lajoy, 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 2010, is newer than 55% of them.
- NPI issued2010 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2010 · 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 Mary Kristine Lajoy, MD's NPI number?
Mary Kristine Lajoy, MD's National Provider Identifier (NPI) is 1790096790, issued on Jun 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kristine Lajoy, 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 Mary Kristine Lajoy, MD's license?
NPPES lists Rhode Island license number LP02051, 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 Mary Kristine Lajoy, MD prescribe under Medicare Part D?
In 2024, Mary Kristine Lajoy, MD had 61 Medicare Part D claims; 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.