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DR. JAN GAJEWSKI M.D.
NPI 1437114097
Anesthesiology in Somerset, NJ

Active since April 18, 2006PECOS EnrolledAccepts Medicare Assignment
285 DAVIDSON AVE, ACNJ - SUITE 204, SOMERSET, NJ 08873(732) 271-1400(732) 271-3543 Get Directions Write a Review

NPPES record last updated: April 17, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Jan Gajewski M.d. NPPES

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

DR. JAN GAJEWSKI M.D. (NPI 1437114097) is an individual anesthesiology provider in Somerset, New Jersey, licensed in New Jersey (MA60425) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital At Rahway, and is a graduate of Rutgers New Jersey Medical School (1990).

NPPES Registry Identity

NPI1437114097
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JAN GAJEWSKICredential: M.D.
Location Address285 DAVIDSON AVE, ACNJ - SUITE 204Somerset, NJ 08873-4153
Mailing Address285 Davidson Ave, Suite 204Somerset, NJ 08873-4153 · (732) 271-1400 · Fax (732) 271-3543
Phone(732) 271-1400
Fax(732) 271-3543
Sole ProprietorNo
Medical School CMSRutgers New Jersey Medical SchoolGraduated 1990
Enumeration DateApril 18, 2006
Last NPPES UpdateApril 17, 2013
✔ NPI 1437114097 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 · MA60425
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 · Pain MedicineTaxonomy 207LP2900X · License MA06042500 (NJ)
285 DAVIDSON AVE, Somerset, NJ 08873
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type Unspecified6274324NJ · Provider #
Medicaid6499805NJ
Medicare UPINF99668NJ

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. Jan Gajewski 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 ID8426190109
PECOS Enrollment IDI20110318000820
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 3

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 urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
12 services12 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
12 services12 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Robert Wood Johnson University Hospital At Rahway

Acute Care Hospitals · Rahway, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310024
Location865 Stone StRahway, NJ 07065 · Union County
Emergency services

Robert Wood Johnson University Hospital

Acute Care Hospitals · New Brunswick, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310038
LocationOne Robert Wood Johnson PlaceNew Brunswick, NJ 08901 · Middlesex County
Emergency services Birthing friendly

Robert Wood Johnson University Hospital - Somerset

Acute Care Hospitals · Somerville, NJ
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310048
Location110 Rehill AveSomerville, NJ 08876 · Somerset 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.

DR. JOHN S WALKER D.O.
Anesthesiology
285 DAVIDSON AVE, SUITE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400
DR. DANIELA E CEAN DO
Anesthesiology (Pediatric Anesthesiology)
285 DAVIDSON AVE, SUITE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400
MRS. EVANTHE LUCILLE GOINS CRNA
Nurse Anesthetist, Certified Registered
285 DAVIDSON AVE, STE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400
DR. RAVI VENKATA GANGAVALLI MD
Anesthesiology
285 DAVIDSON AVE, SUITE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400
DR. RICHARD ZANE COTTRILL M.D.
Anesthesiology
285 DAVIDSON AVE, SUITE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400
DR. JOSEPH MARGIOTTA M.D.
Anesthesiology
285 DAVIDSON AVE, SUITE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400
DR. MUSCU M REDDY M.D.
Anesthesiology
285 DAVIDSON AVE, ACNJ - THIRD FLOOR
SOMERSET, NJ 08873
Somerset County (732) 271-1400
DR. JIEUN SUSANA CHOI M.D.
Anesthesiology
285 DAVIDSON AVE, SUITE 204
SOMERSET, NJ 08873
Somerset County (732) 271-1400

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 Jan Gajewski's NPI number?

The NPI number for Jan Gajewski is 1437114097. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Jan Gajewski located?

Jan Gajewski practices at 285 Davidson Ave Acnj - Suite 204, Somerset, NJ 08873. The listed phone number is (732) 271-1400.

What is Jan Gajewski's specialty?

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

Is Jan Gajewski enrolled in Medicare?

Yes. Jan Gajewski 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 Jan Gajewski affiliated with any hospitals?

According to CMS data, Jan Gajewski is affiliated with Robert Wood Johnson University Hospital At Rahway, Robert Wood Johnson University Hospital and Robert Wood Johnson University Hospital - Somerset.

When was this NPI record last updated?

The NPPES record for Jan Gajewski was last updated on April 17, 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.