Louis K. Teitelbaum, M.D., L. F.A.P.A.
Psychiatry Physician · West Islip, NY
Louis K. Teitelbaum, M.D., L. F.A.P.A. is a psychiatry physician with a practice address in West Islip, New York, and NPI 1598786956, issued on Jul 21, 2006. Check the license (New York 172744, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Louis K. Teitelbaum
- Credential
- M.D., L. F.A.P.A.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 172744 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1 Pansmith LN, West Islip, NY 11795
- Phone
- (631) 210-7300
- Enumerated
- Jul 21, 2006
- Record last updated
- May 23, 2023
- Fax
- (516) 877-2038
- Medicaid ID
- 01197740 NY
- Medicare enrollment
- Enrolled (PECOS I20110623000480); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1985
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Verify Louis K. Teitelbaum 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 172744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average psychiatry physician in 2024
522 Medicare Part D claims for 49 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Clonazepam36 claims
- Escitalopram Oxalate32 claims
- Quetiapine Fumarate32 claims
- Venlafaxine Hcl Er25 claims
- Trazodone Hcl22 claims
- Aripiprazole20 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.
Industry payments in 2024: $45,278.19
56 payments; by number, the most common kind was food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Louis K. Teitelbaum among 6,589 psychiatry physician records in New York
Louis K. Teitelbaum, M.D., L. F.A.P.A. 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 39% of these records are
- Graduated1985 · median 2002 among the 2,559 with a school on file
- Record last updated2023 · 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).
Psychiatry Physician providers in New York
There are 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in West Islip → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Taner Aydin, MDWest Islip, NY 117951003479379
- Rachel Mercorella Regensburg, PMHNPWest Islip, NY 117951073444758
- Kandace Reece, M.D.West Islip, NY 117951407142391
- Saghir Ahmed, M.B.B.S.Stony Brook, NY 117941326600206
- Jaclyn Chen, MDStony Brook, NY 117941699303073
- Megan Desai, DOStony Brook, NY 117941861955338
- Andrew Krebo, DOStony Brook, NY 117941487150264
- Jun LinStony Brook, NY 117941235766866
Common questions
What is Louis K. Teitelbaum, M.D., L. F.A.P.A.'s NPI number?
Louis K. Teitelbaum, M.D., L. F.A.P.A.'s National Provider Identifier (NPI) is 1598786956, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis K. Teitelbaum, M.D., L. F.A.P.A. located?
The NPPES record lists a practice address at 1 Pansmith LN, West Islip, NY, 11795. Phone: (631) 210-7300. Providers update this record themselves, so call before visiting.
How can I verify Louis K. Teitelbaum, M.D., L. F.A.P.A.'s license?
NPPES lists New York license number 172744, 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 Louis K. Teitelbaum, M.D., L. F.A.P.A. prescribe under Medicare Part D?
In 2024, Louis K. Teitelbaum, M.D., L. F.A.P.A. had 522 Medicare Part D claims for 49 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.