Lucas Stewart Ralston, D.O.
Psychiatry Physician · New York, NY
Lucas Stewart Ralston, D.O. is a psychiatry physician with a practice address in New York, New York, and NPI 1841316155, issued on Mar 21, 2007. Check the license (New York 243938-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lucas Stewart Ralston
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 243938-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 222 E 19TH St, New York, NY 10003
- Phone
- (718) 702-5231
- Enumerated
- Mar 21, 2007
- Record last updated
- May 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110204000480); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 222 E 19TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison BernsteinSpeech-Language Pathologist1770454464
- Philip VarrialeSpecialist1295754638
- Joel Wallack, M.D.Psychiatry Physician1881746360
Verify Lucas Stewart Ralston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 243938-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average psychiatry physician in 2024
2,921 Medicare Part D claims for 108 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims.
Most prescribed
- Aripiprazole231 claims
- Quetiapine Fumarate225 claims
- Clonazepam194 claims
- Bupropion Xl183 claims
- Escitalopram Oxalate159 claims
- Trazodone Hcl153 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Amboy Medical Practice PCStaten Island, NY
- North Shore-Lij Medical PCStaten Island, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lucas Stewart Ralston among 6,589 psychiatry physician records in New York
Lucas Stewart Ralston, D.O. is one of 6,589 psychiatry physician records with a practice address in New York. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 44% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated2004 · median 2002 among the 2,559 with a school on file
- Record last updated2008 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Henry Chung, M.D.New York, NY 100031841275518
- Laura Dalheim, MDNew York, NY 100031386681641
- Herbert Fox, MDNew York, NY 100031992748271
- Guy Glass, MDNew York, NY 100031982606018
- David Klahr, MDNy, NY 100031386608529
- Melinda Lantz, MDNew York, NY 100031295733715
- Stephen Malach, M.D.New York, NY 100031407899347
- Michael Murphy, MDNew York, NY 100031821055419
Common questions
What is Lucas Stewart Ralston, D.O.'s NPI number?
Lucas Stewart Ralston, D.O.'s National Provider Identifier (NPI) is 1841316155, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lucas Stewart Ralston, D.O. located?
The NPPES record lists a practice address at 222 E 19TH St, New York, NY, 10003. Phone: (718) 702-5231. Providers update this record themselves, so call before visiting.
How can I verify Lucas Stewart Ralston, D.O.'s license?
NPPES lists New York license number 243938-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lucas Stewart Ralston, D.O. prescribe under Medicare Part D?
In 2024, Lucas Stewart Ralston, D.O. had 2,921 Medicare Part D claims for 108 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Lucas Stewart Ralston, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.