Doctor profile · Federal record

Dr. Gregory Riedlinger, MD, PHD

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Molecular Genetic Pathology (Pathology) Physician · Anatomic Pathology Physician · Anatomic Pathology & Clinical Pathology Physician · New Brunswick, NJ

  • NPI 1639516891
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Rutgers Cancer Institute of New Jersey, 195 Little Albany Parkway, Room 3553
New Brunswick, NJ 089030890
(732) 235-8978
Mailing address
195 Little Albany St Rm 3553
New Brunswick, NJ 089011914

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
October 30, 2024
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
New Jersey #25MA09738600 · Massachusetts #L-255276

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639516891. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
506
Distinct HCPCS
2
Medicare allowed
$23,550
HCPCS Description Services Patients Avg allowed
G0452 Molecular pathology procedure; physician interpretation and report 457 192 $48
88291 Interpretation and report of genetic testing 49 20 $35

In context: peer comparison

Among 6 peers in New Brunswick Anatomic Pathology & Clinical Pathology Physician, average services per provider: 115. This provider delivers 4.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,336
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $1,800.00
Bayer Healthcare Pharmaceuticals INC. 1 $1,536.00

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,800
Consulting Fee
$1,536

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Riedlinger's medical specialty?
Dr. Gregory Riedlinger practices Anatomic Pathology & Clinical Pathology Physician in New Brunswick, NJ.
Where does Dr. Gregory Riedlinger practice?
Dr. Gregory Riedlinger practices at Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 089030890. Office phone: 7322358978.
What is Dr. Gregory Riedlinger's NPI?
Dr. Gregory Riedlinger's National Provider Identifier (NPI) is 1639516891, issued by NPPES.
Does Dr. Gregory Riedlinger accept Medicare assignment?
Yes. Dr. Gregory Riedlinger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Riedlinger commonly perform?
Top Medicare-reported procedures in 2023: Molecular pathology procedure; physician interpretation and report (HCPCS G0452); Interpretation and report of genetic testing (HCPCS 88291). Source: CMS Medicare Physician & Other Practitioners file.