Doctor profile · Federal record
Dr. Darren Blumberg, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Specialist · Florham Park, NJ
- NPI 1902813272
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
140 Park Ave
Florham Park, NJ 079321049
(973) 401-0500
fax (973) 401-9306 - Mailing address
-
65 Ridgedale Ave
Cedar Knolls, NJ 079271313
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 30, 2017
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- New Jersey #25MA06961100 · New Jersey #MA06961100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902813272. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,391
Distinct HCPCS
10
Medicare allowed
$209,155
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 302 | 226 | $141 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 231 | 230 | $153 | |
36415 |
Insertion of needle into vein for collection of blood sample | 213 | 168 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 176 | 147 | $8 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 174 | 169 | $107 | |
86364 |
Measurement of tissue transglutaminase | 166 | 80 | $11 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 164 | 164 | $184 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 128 | 128 | $275 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 110 | 100 | $8 | |
80076 |
Liver function blood test panel | 101 | 84 | $8 |
In context: peer comparison
Among 2 peers in Florham Park Gastroenterology Physician, average services per provider: 89. This provider delivers 27× the peer median.Open Payments
Industry payments received
All-time total
$1,637
Transactions
100
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 33 | $532.28 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 17 | $219.95 | |
| Janssen Biotech, INC. | 9 | $171.94 | |
| Takeda Pharmaceuticals U.S.A., INC. | 9 | $136.57 | |
| Pfizer INC. | 7 | $123.19 | |
| Lilly USA, LLC | 5 | $92.00 | |
| Ironwood Pharmaceuticals, INC | 5 | $84.57 | |
| Ardelyx, INC. | 4 | $74.03 | |
| Celgene Corporation | 4 | $56.85 | |
| Celltrion USA INC. | 2 | $33.35 | |
| Qol Medical, LLC | 1 | $22.67 | |
| Genzyme Corporation | 1 | $21.50 | |
| Regeneron Healthcare Solutions, INC. | 1 | $18.72 | |
| Braintree Laboratories, INC. | 1 | $18.35 | |
| Ferring Pharmaceuticals INC. | 1 | $15.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,944
Patients
674
Total drug cost
$408,555
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 716 | 191 | $12,492 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 228 | 224 | $37,845 |
| Famotidine | Generic | 179 | 52 | $2,590 |
| Omeprazole | Generic | 153 | 39 | $2,403 |
| Mesalamine | Generic | 126 | 27 | $98,274 |
| Linzess (Linaclotide) | Brand | 115 | 40 | $96,856 |
| Esomeprazole Magnesium | Generic | 69 | 22 | $3,483 |
| Motegrity (Prucalopride Succinate) | Brand | 67 | 20 | $52,778 |
| Rabeprazole Sodium | Generic | 64 | 18 | $3,619 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 43 | 15 | $16,843 |
Frequently asked questions
What is Dr. Darren Blumberg's medical specialty?
Dr. Darren Blumberg practices Gastroenterology Physician in Florham Park, NJ.
Where does Dr. Darren Blumberg practice?
Dr. Darren Blumberg practices at 140 Park Ave, Florham Park, NJ 079321049. Office phone: 9734010500.
What is Dr. Darren Blumberg's NPI?
Dr. Darren Blumberg's National Provider Identifier (NPI) is 1902813272, issued by NPPES.
Does Dr. Darren Blumberg accept Medicare assignment?
Yes. Dr. Darren Blumberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Blumberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.