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DR. OSCAR KLEIN M.D.
NPI 1962546887
Internal Medicine - Infectious Disease in New York, NY

Active since February 16, 2007PECOS EnrolledAccepts Medicare Assignment
275 7TH AVE FL 12, NEW YORK, NY 10001(212) 604-6513(212) 604-6579 Get Directions Write a Review

NPPES record last updated: February 27, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Oscar Klein M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. OSCAR KLEIN M.D. (NPI 1962546887) is an individual infectious disease provider in New York, New York, licensed in New York (166678) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of State University Of New York Downstate Medical Center (1985).

NPPES Registry Identity

NPI1962546887
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. OSCAR KLEINCredential: M.D.
Location Address275 7TH AVE FL 12New York, NY 10001-6708
Mailing Address1 Gustave L Levy Pl, Box 3000New York, NY 10029-6500 · (212) 987-3100 · Fax (212) 731-5210
Phone(212) 604-6513
Fax(212) 604-6579
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1985
Enumeration DateFebruary 16, 2007
Last NPPES UpdateFebruary 27, 2013
✔ NPI 1962546887 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NY · 166678
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
275 7TH AVE FL 12, New York, NY 10001
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Other Identifiers 1

Medicare UPIN00H061NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Oscar Klein M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID648281253
PECOS Enrollment IDI20070226000098
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
126 services53 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. SARAH KAI ACKER NP
Nurse Practitioner (Adult Health)
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-1701
MR. LUKAS MAVERICK GREYSON
Peer Specialist
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-1730
ST LUKES ROOSEVELT HOSPITAL CENTER
Pharmacy (Community/Retail Pharmacy)
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-1780
KATHARINE KENNEDY WILLIAMS PHD
Psychologist (Clinical)
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-1701
RICARDO MARTINEZ-RODRIGUEZ LMSW
Social Worker
275 7TH AVE FL 12, MT SINAI COMPREHENSIVE HEALTH PROGRAM
NEW YORK, NY 10001
New York County (917) 453-0834
DR. MEAGAN POWERS OBRIEN MD
Internal Medicine (Infectious Disease)
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-6513
MRS. JOAN TORRES VILLACASIO FNP-BC
Nurse Practitioner (Family)
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-1730
JOHN CHRISTOPHER WINTERS M.D
Internal Medicine (Infectious Disease)
275 7TH AVE FL 12
NEW YORK, NY 10001
New York County (212) 604-6513

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oscar Klein's NPI number?

The NPI number for Oscar Klein is 1962546887. It was assigned to this individual provider in the NPPES registry on February 16, 2007.

Where is Oscar Klein located?

Oscar Klein practices at 275 7th Ave Fl 12, New York, NY 10001. The listed phone number is (212) 604-6513.

What is Oscar Klein's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Oscar Klein enrolled in Medicare?

Yes. Oscar Klein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Oscar Klein affiliated with any hospitals?

According to CMS data, Oscar Klein is affiliated with Mount Sinai Hospital.

When was this NPI record last updated?

The NPPES record for Oscar Klein was last updated on February 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.