DR. JENNIFER NICOLE PEACOCK M.D.
NPI 1336482686
Anesthesiology in Brooklyn, NY

Active since April 04, 2013PECOS EnrolledAccepts Medicare Assignment
121 DEKALB AVE, BROOKLYN, NY 11201(718) 250-8000 Get Directions Write a Review

NPPES record last updated: January 13, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 8, 2024, Nov 10, 2020, May 9, 2019 and 1 more (4 updates tracked since 2018).

About Dr. Jennifer Nicole Peacock M.d. NPPES

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

DR. JENNIFER NICOLE PEACOCK M.D. (NPI 1336482686) is an individual anesthesiology provider in Brooklyn, New York, licensed in New York (277672) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Brooklyn Hospital Center - Downtown Campus, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2013).

NPPES Registry Identity

NPI1336482686
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. JENNIFER NICOLE PEACOCKCredential: M.D.
Location Address121 DEKALB AVEBrooklyn, NY 11201-5493
Mailing AddressPo Box 24570Brooklyn, NY 11202-4570
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2013
Enumeration DateApril 4, 2013
Last NPPES UpdateJanuary 13, 20254 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2025
✔ NPI 1336482686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 277672
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.
121 DEKALB AVE, Brooklyn, NY 11201

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Nicole Peacock 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 ID6901108679
PECOS Enrollment IDI20180717002675
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 Reassignments

3

Medicare enrollment records show Jennifer Peacock reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
2633 BROADWAY
New York, NY 10025
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
Anesthesiology
1305 WALT WHITMAN RD STE 300
Melville, NY 11747
  • Reassigned Medicare billing, New York enrollment
  • 508 clinicians in this Medicare group
Anesthesiology
480 BEDFORD RD BLDG B
Chappaqua, NY 10514
  • Reassigned Medicare billing, New York enrollment
  • 1,406 clinicians in this Medicare group

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 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.

Anesthesia for other procedure on upper abdomen 00790
Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.
14 services14 patients
Anesthesia for other procedure on skin of arms, legs, and front body 00400
Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Brooklyn Hospital Center - Downtown Campus

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330056
Location121 Dekalb AvenueBrooklyn, NY 11201 · Kings 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.

Pharmacist (Nutrition Support)
121 DEKALB AVE, B231
BROOKLYN, NY 11201
Student in an Organized Health Care Education/Training Program
121 DEKALB AVE
BROOKLYN, NY 11201
Student in an Organized Health Care Education/Training Program
121 DEKALB AVE
BROOKLYN, NY 11201
Orthopaedic Surgery (Hand Surgery)
121 DEKALB AVE, ORTHOSUITE
BROOKLYN, NY 11201
Student in an Organized Health Care Education/Training Program
121 DEKALB AVE, HOUSE STAFF ADMINISTRATION
BROOKLYN, NY 11201
Physical Therapist
121 DEKALB AVE
BROOKLYN, NY 11201
Nurse Practitioner (Family)
121 DEKALB AVE
BROOKLYN, NY 11201
Student in an Organized Health Care Education/Training Program
121 DEKALB AVE
BROOKLYN, NY 11201

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 Jennifer Peacock's NPI number?

The NPI number for Jennifer Peacock is 1336482686. It was assigned to this individual provider in the NPPES registry on April 4, 2013.

Where is Jennifer Peacock located?

Jennifer Peacock practices at 121 Dekalb Ave, Brooklyn, NY 11201. The listed phone number is (718) 250-8000.

What is Jennifer Peacock's specialty?

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

Is Jennifer Peacock enrolled in Medicare?

Yes. Jennifer Peacock 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.

Which organizations bill Medicare for Jennifer Peacock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Peacock reassigns Medicare benefits to 3 organizations: Montefiore Medical Center (New York, NY), North American Partners In Anesthesia LLP (Melville, NY) and North Shore - Lij Anesthesiology, PC (Chappaqua, NY). Each 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 Jennifer Peacock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jennifer Peacock affiliated with any hospitals?

According to CMS data, Jennifer Peacock is affiliated with Brooklyn Hospital Center - Downtown Campus.

When was this NPI record last updated?

The NPPES record for Jennifer Peacock was last updated on January 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.