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DR. LESLIE SHREM M.D.
NPI 1598768442
Anesthesiology in Cedar Knolls, NJ

Active since May 24, 2005PECOS Enrolled
197 RIDGEDALE AVE, SURGICAL CENTER AT CEDAR KNOLLS, CEDAR KNOLLS, NJ 07927(973) 292-0700 Get Directions Write a Review

NPPES record last updated: October 15, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 15, 2019, Sep 14, 2019 (2 updates tracked since 2019).

About Dr. Leslie Shrem M.d. NPPES

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

DR. LESLIE SHREM M.D. (NPI 1598768442) is an individual anesthesiology provider in Cedar Knolls, New Jersey, licensed in New Jersey (25MA05660000) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598768442
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. LESLIE SHREMCredential: M.D.
Location Address197 RIDGEDALE AVE, SURGICAL CENTER AT CEDAR KNOLLSCedar Knolls, NJ 07927
Mailing Address3 Olmsted LnMendham, NJ 07945-3058 · (973) 607-7815 · Fax (973) 543-2854
Phone(973) 292-0700
Sole ProprietorYes
Enumeration DateMay 24, 2005
Last NPPES UpdateOctober 15, 20192 updates tracked since enumeration
✔ NPI 1598768442 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NJ · 25MA05660000
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 ListedAnesthesiology · Pediatric AnesthesiologyTaxonomy 207LP3000X · License 25MA05660000 (NJ)
197 RIDGEDALE AVE, Cedar Knolls, NJ 07927
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Leslie Shrem M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Leslie Shrem reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Shrewsbury Ambulatory Anesthesia LLC
39 mi
Anesthesiology
655 SHREWSBURY AVENUE
Shrewsbury, NJ 07702
  • Reassigned Medicare billing, New Jersey enrollment
  • 396 clinicians in this Medicare group
NPI 1356691885 (732) 450-6000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

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.

Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 01810
Anesthesia for procedures on the forearm, wrist, and hand involves administering medication to block sensation in these areas. This helps ensure comfort and painlessness during surgeries or treatments involving nerves, muscles, tendons, and tissue in these regions.
29 services29 patients

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.

SOPHIA KERAN SOLOMON PA-C
Physician Assistant (Surgical)
197 RIDGEDALE AVE
CEDAR KNOLLS, NJ 07927
Morris County (973) 538-2334
XANTIANA SANCHEZ PT, DPT
Physical Therapist
197 RIDGEDALE AVE
CEDAR KNOLLS, NJ 07927
Morris County (973) 605-5115
ARMAC INC
Prosthetic/Orthotic Supplier
197 RIDGEDALE AVE, SUITE 130
CEDAR KNOLLS, NJ 07927
Morris County (888) 422-3044
MEGAN LAPENTA
Nurse Practitioner
197 RIDGEDALE AVE
CEDAR KNOLLS, NJ 07927
Morris County (973) 538-2334
BHUMI A PATEL PA-C
Physician Assistant (Surgical)
197 RIDGEDALE AVE
CEDAR KNOLLS, NJ 07927
Morris County (973) 538-2334
BRIDGETTE SAKAR DPT
Physical Therapist
197 RIDGEDALE AVE, SUITE 155
CEDAR KNOLLS, NJ 07927
Morris County (973) 605-5115
JAMES MOR PT, DPT, ATC
Physical Therapist (Orthopedic)
197 RIDGEDALE AVE
CEDAR KNOLLS, NJ 07927
Morris County (973) 605-5155
ERIN ELIZABETH HUGHES
Physical Therapist
197 RIDGEDALE AVE
CEDAR KNOLLS, NJ 07927
Morris County (973) 605-5115

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 Leslie Shrem's NPI number?

The NPI number for Leslie Shrem is 1598768442. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is Leslie Shrem located?

Leslie Shrem practices at 197 Ridgedale Ave Surgical Center At Cedar Knolls, Cedar Knolls, NJ 07927. The listed phone number is (973) 292-0700.

What is Leslie Shrem's specialty?

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

Is Leslie Shrem enrolled in Medicare?

Yes. Leslie Shrem is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Leslie Shrem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Shrem reassigns Medicare benefits to Shrewsbury Ambulatory Anesthesia LLC (Shrewsbury, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Leslie Shrem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leslie Shrem accept?

Health plans from Taro Health list Leslie Shrem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leslie Shrem was last updated on October 15, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.