Doctor profile · Federal record

Dr. Craig Margulies, MD

Gastroenterology Physician (CMS: Gastroenterology) · Princeton, NJ

  • NPI 1912005026
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
419 N Harrison St Ste 201
Princeton, NJ 085403521
(609) 924-9300
fax (609) 497-2271
Additional location
11 State RD, Suite 200
Princeton, NJ 08540
(609) 497-2770
fax (609) 497-2771
Mailing address
419 N. Harrison St
Princeton, NJ 08540

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
May 5, 2020
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New Jersey #MA064092
Medicaid
NJ #7104600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912005026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,247
Distinct HCPCS
10
Medicare allowed
$153,567
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 390 265 $138
99213 Established patient office or other outpatient visit, 20-29 minutes 171 150 $98
45380 Biopsy of large bowel using a flexible endoscope 154 154 $156
99203 New patient office or other outpatient visit, 30-44 minutes 76 76 $121
99204 New patient office or other outpatient visit, 45-59 minutes 70 70 $179
36415 Insertion of needle into vein for collection of blood sample 68 54 $8
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 58 56 $132
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 58 58 $271
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 42 36 $8
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 41 38 $188

In context: peer comparison

Among 5 peers in this city , average services per provider: 66. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,192
Patients
504
Total drug cost
$89,723
Drug Type Claims Patients Total cost
Famotidine Generic 354 140 $9,778
Pantoprazole Sodium Generic 203 74 $5,123
Omeprazole Generic 177 56 $3,809
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 142 137 $11,057
Esomeprazole Magnesium Generic 98 33 $7,136
Ondansetron Hcl Generic 33 20 $601
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 29 29 $522
Linzess (Linaclotide) Brand 29 0 $29,349
Lansoprazole Generic 25 0 $1,059
Hydrocortisone Generic 21 0 $926

Frequently asked questions

Auto-generated from federal data
What is Dr. Craig Margulies's medical specialty?
Dr. Craig Margulies practices Gastroenterology Physician in Princeton, NJ.
Where does Dr. Craig Margulies practice?
Dr. Craig Margulies practices at 419 N Harrison St Ste 201, Princeton, NJ 085403521. Office phone: 6099249300.
What is Dr. Craig Margulies's NPI?
Dr. Craig Margulies's National Provider Identifier (NPI) is 1912005026, issued by NPPES.
Does Dr. Craig Margulies accept Medicare assignment?
Yes. Dr. Craig Margulies accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Craig Margulies 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); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.