Doctor profile · Federal record

Dr. Steven Delmaestro, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Somerset, NJ

  • NPI 1851442206
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
454 Elizabeth Ave, Suite 210
Somerset, NJ 088735111
(908) 685-2526
fax (908) 685-2527

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
February 8, 2017
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New Jersey #25MAO4924500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851442206. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
657
Distinct HCPCS
10
Medicare allowed
$79,022
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 135 99 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 129 85 $130
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 98 98 $136
99204 New patient office or other outpatient visit, 45-59 minutes 62 62 $178
99215 Established patient office or other outpatient visit, 40-54 minutes 48 33 $187
G0008 Administration of influenza virus vaccine 48 48 $33
90662 Influenza vaccine split virus, preservative free 39 39 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 33 29 $16
99205 New patient office or other outpatient visit, 60-74 minutes 23 23 $228
G0009 Administration of pneumococcal vaccine 22 21 $33

In context: peer comparison

Among 11 peers in this city , average services per provider: 105. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$351
Transactions
17
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Mannkind Corporation 6 $148.84
Novo Nordisk Inc 3 $68.00
GlaxoSmithKline, LLC. 3 $46.50
Lilly USA, LLC 2 $35.69
PFIZER INC. 2 $32.76
Exact Sciences Corporation 1 $19.33

By nature of payment

Food and Beverage
$266
Gift
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,052
Patients
339
Total drug cost
$16,640
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 187 73 $1,996
Amlodipine Besylate Generic 91 40 $982
Rosuvastatin Calcium Generic 85 32 $2,209
Alprazolam Generic 84 21 $728
Levothyroxine Sodium Generic 82 30 $1,483
Gabapentin Generic 71 18 $1,670
Oxycodone Hcl Generic 64 0 $2,657
Pantoprazole Sodium Generic 60 18 $936
Trazodone Hcl Generic 58 24 $824
Metformin Hcl Generic 54 21 $541

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Delmaestro's medical specialty?
Dr. Steven Delmaestro practices Internal Medicine Physician in Somerset, NJ.
Where does Dr. Steven Delmaestro practice?
Dr. Steven Delmaestro practices at 454 Elizabeth Ave, Somerset, NJ 088735111. Office phone: 9086852526.
What is Dr. Steven Delmaestro's NPI?
Dr. Steven Delmaestro's National Provider Identifier (NPI) is 1851442206, issued by NPPES.
Does Dr. Steven Delmaestro accept Medicare assignment?
Yes. Dr. Steven Delmaestro accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Delmaestro commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.