Doctor profile · Federal record

Dr. Gregory Mullen, MD

Urology Physician (CMS: Urology) · Urology Physician · Student in an Organized Health Care Education/Training Program · Livingston, NJ

  • NPI 1689105504
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 S Orange Ave Ste 228
Livingston, NJ 070395817
(212) 241-6500

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
August 3, 2023
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208800000X — NUCC code
State licenses (2)
New Jersey #25MA11814000 · New York #312602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689105504. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
238
Distinct HCPCS
7
Medicare allowed
$24,780
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 77 49 $53
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 38 35 $140
99204 New patient office or other outpatient visit, 45-59 minutes 34 34 $183
99214 Established patient office or other outpatient visit, 30-39 minutes 31 28 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 28 26 $96
74420 Imaging of urinary tract following injection of a contrast agent 16 11 $26
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $124

In context: peer comparison

Among 4 peers in Livingston Urology Physician, average services per provider: 197. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$251
Transactions
8
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Health Care Ag 1 $114.09
180 Medical, INC. 2 $54.22
Novo Nordisk INC 1 $23.14
Sumitomo Pharma America, INC. 1 $18.46
Blue Earth Diagnostics Limited 1 $13.89
Abc Home Medical Supply, INC. 1 $13.56
Hollister Incorporated 1 $13.56

By nature of payment

Food and Beverage
$251

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
44
Total drug cost
$2,546
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 25 22 $401
Cephalexin Generic 11 11 $44
Estradiol Generic 11 11 $2,101

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Mullen's medical specialty?
Dr. Gregory Mullen practices Urology Physician in Livingston, NJ.
Where does Dr. Gregory Mullen practice?
Dr. Gregory Mullen practices at 200 S Orange Ave Ste 228, Livingston, NJ 070395817. Office phone: 2122416500.
What is Dr. Gregory Mullen's NPI?
Dr. Gregory Mullen's National Provider Identifier (NPI) is 1689105504, issued by NPPES.
Does Dr. Gregory Mullen accept Medicare assignment?
Yes. Dr. Gregory Mullen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Mullen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.