Doctor profile · Federal record
Dr. Kenneth Zierer, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Rutherford, NJ
- NPI 1417978883
- Accepts Medicare
- MIPS 97.5 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
71 Union Ave Ste 201
Rutherford, NJ 070701272
(201) 842-0020
fax (201) 842-0010 - Additional location
-
925 Clifton Ave
Clifton, NJ 070132724
(973) 458-0408
fax (973) 405-6564 - Mailing address
-
1130 McBride Ave Fl 3
Woodland Park, NJ 074243806
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 9, 2023
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #25MA5838900
- Medicaid
- NJ #6956602
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417978883. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
951
Distinct HCPCS
10
Medicare allowed
$91,490
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 268 | 18 | $53 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 148 | 18 | $69 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 131 | 107 | $101 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 73 | 58 | $139 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 71 | 52 | $86 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 63 | 57 | $140 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 50 | 49 | $121 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 38 | 38 | $112 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 32 | 31 | $274 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 30 | 30 | $125 |
In context: peer comparison
Among 1 peers in Rutherford Gastroenterology Physician, average services per provider: 73. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$1,357
Transactions
68
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, INC. | 7 | $199.38 | |
| Abbvie INC. | 16 | $193.60 | |
| Lilly USA, LLC | 2 | $134.95 | |
| Ironwood Pharmaceuticals, INC | 2 | $113.22 | |
| Janssen Biotech, INC. | 7 | $112.01 | |
| Intercept Pharmaceuticals, INC. | 5 | $88.57 | |
| Ipsen Biopharmaceuticals, INC | 5 | $76.68 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $67.27 | |
| Madrigal Pharmaceuticals | 4 | $64.30 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 4 | $56.84 | |
| Celgene Corporation | 3 | $52.52 | |
| Pfizer INC. | 3 | $46.87 | |
| Gilead Sciences, INC. | 3 | $40.95 | |
| Ardelyx, INC. | 2 | $37.46 | |
| Braintree Laboratories, INC. | 1 | $21.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
933
Patients
246
Total drug cost
$46,675
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 463 | 130 | $5,201 |
| Omeprazole | Generic | 80 | 25 | $1,282 |
| Ursodiol | Generic | 77 | 19 | $15,200 |
| Famotidine | Generic | 49 | 24 | $1,239 |
| Dicyclomine Hcl | Generic | 44 | 19 | $1,269 |
| Mesalamine | Generic | 35 | 0 | $14,232 |
| Ondansetron Odt (Ondansetron) | Brand | 33 | 13 | $4,429 |
| Amitriptyline Hcl | Generic | 24 | 0 | $561 |
| Esomeprazole Magnesium | Generic | 23 | 0 | $514 |
| Carvedilol | Generic | 22 | 0 | $208 |
Hospital affiliations
Frequently asked questions
What is Dr. Kenneth Zierer's medical specialty?
Dr. Kenneth Zierer practices Gastroenterology Physician in Rutherford, NJ.
Where does Dr. Kenneth Zierer practice?
Dr. Kenneth Zierer practices at 71 Union Ave Ste 201, Rutherford, NJ 070701272. Office phone: 2018420020.
What is Dr. Kenneth Zierer's NPI?
Dr. Kenneth Zierer's National Provider Identifier (NPI) is 1417978883, issued by NPPES.
Does Dr. Kenneth Zierer accept Medicare assignment?
Yes. Dr. Kenneth Zierer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Zierer commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439); Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.