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Active NPI 1437114097 Individual Practitioner Male Practitioner

Dr. Jan Gajewski , MD

Anesthesiology • Somerset, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jan Gajewski, MD is a certified Anesthesiology practicing in Somerset, NJ. With approximately 36 years of clinical experience since graduating from Rutgers New Jersey Medical School in 1990, Dr. Gajewski delivers high-quality medical care to the local community at 285 DAVIDSON AVE.

Dr. Gajewski is affiliated with Rwjbh Observation Associates Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for x-ray or radiation therapy, anesthesia for other procedure on urinary system through urethra, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

285 Davidson Ave
Acnj - Suite 204

Somerset, NJ 088734153

Telephone 7322711400
Fax 7322713543
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Rutgers New Jersey Medical School

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Somerset, NJ

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
36 Yrs +5.5 yrs vs City Avg
City Avg: 30.5 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
63 Specialists

Practicing in Somerset, NJ (1783 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
92.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gajewski (36 Years) 36 Yrs
Somerset Specialty Average (30.5 Years) 30.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
01922 Anesthesia for x-ray or radiation therapy
12 12 $2585.00 $188.96
00910 Anesthesia for other procedure on urinary system through urethra
12 12 $1611.25 $117.85
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
11 11 $1860.00 $136.34

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License NJ MA60425

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.

Anesthesiology - Pain Medicine

NUCC Taxonomy Code: 207LP2900X

State License NJ MA06042500

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
6499805 (NJ)

Hospital & Practice Group Affiliations

Rwjbh Observation Associates Llc

110 Rehill Ave, Somerville, NJ 088762519

Phone: 9086852200

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Laura Lei , MD

Anesthesiology

NPI 1003011065

Doctor of Medicine (M.D.)

Dr. John Walker , DO

Anesthesiology

NPI 1013974500

Doctor of Osteopathic Medicine (D.O.)

Dr. Daniela Cean , DO

Anesthesiology - Pediatric Anesthesiology

NPI 1053622605

Doctor of Osteopathic Medicine (D.O.)

Evanthe Goins , CRNA

Nurse Anesthetist, Certified Registered

NPI 1093881047

Certified Registered Nurse Anesthetist

NPI 1104027390

Doctor of Medicine (M.D.)

NPI 1114001211

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active April 17, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location April 17, 2013

Registered at 285 DAVIDSON AVE, ACNJ - SUITE 204, SOMERSET, NJ 088734153 (Tel: 7322711400)

📍
Updated Business Mailing Address April 17, 2013

Registered at 285 DAVIDSON AVE, SUITE 204, SOMERSET, NJ 088734153 (Tel: 7322711400)

👤
Provider Name / Credentials Updated April 17, 2013

Recorded as JAN GAJEWSKI, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 17, 2013

Anesthesiology (License #MA60425 in NJ)

🟢
Initial NPI Registration & Enumeration April 18, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1437114097
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 18, 2006
Last Update: April 17, 2013
Sole Proprietor: No

Mailing Address

285 Davidson Ave, Suite 204

Somerset, NJ 088734153

Phone: 7322711400

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.