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JOHANNES WERNER OSTER
NPI 1144808502
Anesthesiology in New York, NY

Active since March 29, 2021PECOS EnrolledAccepts Medicare Assignment
1000 10TH AVE, NEW YORK, NY 10019(212) 523-6121 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 2, 2025, Jul 2, 2025, Mar 29, 2021 (3 updates tracked since 2021).

About Johannes Werner Oster NPPES

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

JOHANNES WERNER OSTER (NPI 1144808502) is an individual anesthesiology provider in New York, New York, licensed in New York (336515) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai St Luke's Roosevelt Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1144808502
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameJOHANNES WERNER OSTER
Location Address1000 10TH AVENew York, NY 10019-1147
Mailing AddressPo Box 28082New York, NY 10087-5024 · (212) 987-3100
Phone(212) 523-6121
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 29, 2021
Last NPPES UpdateSeptember 2, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1144808502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 336515
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1000 10TH AVE, New York, NY 10019
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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

Johannes Werner Oster 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 ID8527575547
PECOS Enrollment IDI20250725000743
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.

Hospital Affiliations CMS Care Compare

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

Mount Sinai St Luke's Roosevelt Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330046
Location1000 Tenth AvenueNew York, NY 10019 · New York County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

LAUREN KRISTEN BOTERO MD
Internal Medicine (Hematology)
1000 10TH AVE
NEW YORK, NY 10019
New York County (212) 523-4000
JASMINE PARIS LORD MD
Student in an Organized Health Care Education/Training Program
1000 10TH AVE
NEW YORK, NY 10019
New York County (212) 523-6121
HOLLY D SHAN
Student in an Organized Health Care Education/Training Program
1000 10TH AVE
NEW YORK, NY 10019
New York County (212) 523-6121
RACHNA SULTANIAN MD
Emergency Medicine
1000 10TH AVE
NEW YORK, NY 10019
New York County (212) 523-6745
ANGELA TANGREDI MD
Pediatrics
1000 10TH AVE
NEW YORK, NY 10019
New York County (212) 523-6745
ALEXANDER VOLVOVSKY MD
Radiology (Diagnostic Radiology)
1000 10TH AVE, SUITE 4B14
NEW YORK, NY 10019
New York County (212) 536-6668
MISS JINCY THANKACHEN M.D.
Internal Medicine
1000 10TH AVE, ST. LUKE'S ROOSEVELT - DEPARTMENT OF INTERNAL MEDICINE
NEW YORK, NY 10019
New York County (212) 523-7321
SAMA ANSARI M.D.
Student in an Organized Health Care Education/Training Program
1000 10TH AVE
NEW YORK, NY 10019
New York County (212) 523-4000

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 Johannes Oster's NPI number?

The NPI number for Johannes Oster is 1144808502. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Where is Johannes Oster located?

Johannes Oster practices at 1000 10th Ave, New York, NY 10019. The listed phone number is (212) 523-6121.

What is Johannes Oster's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Johannes Oster enrolled in Medicare?

Yes. Johannes Oster 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 Johannes Oster affiliated with any hospitals?

According to CMS data, Johannes Oster is affiliated with Mount Sinai St Luke's Roosevelt Hospital.

When was this NPI record last updated?

The NPPES record for Johannes Oster was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.