Ralph Klein, M.D.
Specialist · New York, NY
Ralph Klein, M.D. is a specialist with a practice address in New York, New York, and NPI 1578785606, issued on May 2, 2007. Check the license (New York 112335-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ralph Klein
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 112335-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 35 E 85TH Street5c, New York, NY 10028
- Phone
- (212) 879-4149
- Enumerated
- May 2, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 535-0815
- Entity
- Type 1 · individual
8 nearest specialist records → All 22,636 in New York → Look up another NPI →
Verify Ralph Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 112335-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average specialist in 2024
371 Medicare Part D claims for 18 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Lorazepam46 claims
- Pramipexole Dihydrochloride34 claims
- Zolpidem Tartrate30 claims
- Trazodone Hcl20 claims
- Eszopiclone15 claims
- Diazepam14 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.
Ralph Klein among 22,636 specialist records in New York
Ralph Klein, M.D. is one of 22,636 specialist records with a practice address in New York. 6% 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 8% of them.
- NPI issued2007 · 8% of these records are older, 89% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2007 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,896 specialist records list a practice address in New York
They are 1,896 of the 98,468 NPPES records with a practice address in New York, and 22,636 specialist records in New York.
All 22,636 in New York → Every provider in New York → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Nadia Afridi, M.D.New York, NY 100281821028911
- Igor Amigud, M.D.New York, NY 100281093711475
- Michael Bayer, M.D.New York, NY 100281457318537
- Barry Berson, M.D.New York, NY 100281225071145
- Scott David, MDNew York, NY 100281982600888
- Seth Finkelstein, M.D.New York, NY 100281790754034
- Jeffrey Freed, M.D.New York, NY 100281124064159
- Nils Guttenplan, M.D.New York, NY 100281952399610
Common questions
What is Ralph Klein, M.D.'s NPI number?
Ralph Klein, M.D.'s National Provider Identifier (NPI) is 1578785606, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Klein, M.D. located?
The NPPES record lists a practice address at 35 E 85TH Street5c, New York, NY, 10028. Phone: (212) 879-4149. Providers update this record themselves, so call before visiting.
How can I verify Ralph Klein, M.D.'s license?
NPPES lists New York license number 112335-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Ralph Klein, M.D. prescribe under Medicare Part D?
In 2024, Ralph Klein, M.D. had 371 Medicare Part D claims for 18 beneficiaries; the average among specialist prescribers was 1,380. 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.