Doctor profile · Federal record

Dr. Robert Denniston, MD

Internal Medicine Physician (CMS: Internal Medicine) · Mount Holly, NJ

  • NPI 1740215144
  • Accepts Medicare
  • 54 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
120 Madison Ave, Suite C
Mount Holly, NJ 080602055
(609) 261-1144
fax (609) 267-4399

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 1, 2009
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #MA030469
Medicaid
NJ #2409607

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740215144. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
388
Distinct HCPCS
5
Medicare allowed
$49,573
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 194 65 $136
99213 Established patient office or other outpatient visit, 20-29 minutes 71 35 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 51 26 $172
99212 Established patient office or other outpatient visit, 10-19 minutes 49 13 $61
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 23 14 $195

In context: peer comparison

Among 7 peers in Mount Holly Internal Medicine Physician, average services per provider: 228. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $124.99
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $14.14

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
592
Patients
143
Total drug cost
$53,811
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 84 24 $1,045
Levothyroxine Sodium Generic 59 17 $1,107
Rosuvastatin Calcium Generic 58 17 $998
Eliquis (Apixaban) Brand 41 0 $44,324
Metoprolol Succinate Generic 39 12 $1,440
Lisinopril Generic 38 12 $461
Trazodone Hcl Generic 37 12 $960
Tamsulosin Hcl Generic 36 15 $1,417
Metoprolol Tartrate Generic 34 11 $391
Amlodipine Besylate Generic 30 11 $287

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Denniston's medical specialty?
Dr. Robert Denniston practices Internal Medicine Physician in Mount Holly, NJ.
Where does Dr. Robert Denniston practice?
Dr. Robert Denniston practices at 120 Madison Ave, Mount Holly, NJ 080602055. Office phone: 6092611144.
What is Dr. Robert Denniston's NPI?
Dr. Robert Denniston's National Provider Identifier (NPI) is 1740215144, issued by NPPES.
Does Dr. Robert Denniston accept Medicare assignment?
Yes. Dr. Robert Denniston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Denniston commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.