Martin J. Lan, MD PHD
Psychiatry Physician · Ardsley, NY
Martin J. Lan, MD PHD is a psychiatry physician with a practice address in Ardsley, New York, and NPI 1710147525, issued on Jun 16, 2008. Check the license (New York 256351, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Martin J. Lan
- Credential
- MD PHD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 256351 NY
Self-reported in NPPES; status is on the state search - Practice location
- 547 Saw Mill River RD # LL4, Ardsley, NY 10502
- Phone
- (914) 231-7328
- Enumerated
- Jun 16, 2008
- Record last updated
- Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Verify Martin J. Lan 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 256351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
116 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
- Buspirone Hcl25 claims
- Escitalopram Oxalate18 claims
- Lamotrigine16 claims
- Ramelteon12 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.
Martin J. Lan among 6,589 psychiatry physician records in New York
Martin J. Lan, MD PHD 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2020 · 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).
4 psychiatry physician records list a practice address in Ardsley
They are 4 of the 293 NPPES records with a practice address in Ardsley, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in Ardsley → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Sharron Dupler, M.D.Ardsley, NY 105021629277793
- Eva Josephine Harbury, MDArdsley, NY 105021184745069
- Daniel Wong, MDArdsley, NY 105021558710947
- Wendy Harris, M.D.Armonk, NY 105041013036581
- Margot Rubinstein, M.D.Armonk, NY 105041801951504
- Joseph Damore, MDBedford Hills, NY 105071730233115
- Lorraine Innes, MDBedford Hills, NY 105071194769976
- Waldimar Alarkon, MDBrewster, NY 105091295866143
Common questions
What is Martin J. Lan, MD PHD's NPI number?
Martin J. Lan, MD PHD's National Provider Identifier (NPI) is 1710147525, issued on Jun 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Martin J. Lan, MD PHD located?
The NPPES record lists a practice address at 547 Saw Mill River RD # LL4, Ardsley, NY, 10502. Phone: (914) 231-7328. Providers update this record themselves, so call before visiting.
How can I verify Martin J. Lan, MD PHD's license?
NPPES lists New York license number 256351, 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 Martin J. Lan, MD PHD prescribe under Medicare Part D?
In 2024, Martin J. Lan, MD PHD had 116 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.