Doctor profile · Federal record
Dr. Walter Klein, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Harrington Park, NJ
- NPI 1821099078
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
24 Elm St
Harrington Park, NJ 076401902
(201) 784-0123
fax (201) 784-0065
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- December 3, 2024
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #25MA05761800
- Medicaid
- NJ #5200709
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821099078. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,156
Distinct HCPCS
10
Medicare allowed
$128,631
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 336 | 249 | $105 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 104 | 103 | $128 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 96 | 93 | $105 | |
99497 |
Advance care planning, first 30 minutes | 81 | 80 | $32 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 79 | 77 | $276 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 73 | 72 | $201 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 65 | 65 | $139 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 54 | 54 | $59 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 26 | $83 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 49 | 48 | $16 |
In context: peer comparison
Among 1 peers in Harrington Park Gastroenterology Physician, average services per provider: 64. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$762
Transactions
36
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 10 | $131.67 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $58.12 | |
| Janssen Biotech, INC. | 3 | $52.75 | |
| Lilly USA, LLC | 3 | $49.04 | |
| Astellas Pharma US INC | 2 | $41.10 | |
| Abbvie INC. | 2 | $33.83 | |
| Ardelyx, INC. | 2 | $33.46 | |
| Ironwood Pharmaceuticals, INC | 2 | $32.32 | |
| Amgen INC. | 2 | $32.00 | |
| Ipsen Biopharmaceuticals, INC | 1 | $29.00 | |
| Gilead Sciences, INC. | 2 | $28.32 | |
| Braintree Laboratories, INC. | 1 | $21.46 | |
| Otsuka America Pharmaceutical, INC. | 1 | $21.03 | |
| Genzyme Corporation | 1 | $20.42 | |
| Novo Nordisk INC | 1 | $18.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,520
Patients
591
Total drug cost
$79,725
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 320 | 117 | $5,438 |
| Atorvastatin Calcium | Generic | 183 | 53 | $2,365 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 154 | 153 | $12,238 |
| Metformin Hcl | Generic | 127 | 38 | $1,020 |
| Rosuvastatin Calcium | Generic | 118 | 31 | $2,106 |
| Amlodipine Besylate | Generic | 114 | 33 | $893 |
| Omeprazole | Generic | 82 | 31 | $1,512 |
| Alprazolam | Generic | 67 | 21 | $646 |
| Lisinopril | Generic | 67 | 21 | $695 |
| Famotidine | Generic | 59 | 22 | $1,974 |
Frequently asked questions
What is Dr. Walter Klein's medical specialty?
Dr. Walter Klein practices Gastroenterology Physician in Harrington Park, NJ.
Where does Dr. Walter Klein practice?
Dr. Walter Klein practices at 24 Elm St, Harrington Park, NJ 076401902. Office phone: 2017840123.
What is Dr. Walter Klein's NPI?
Dr. Walter Klein's National Provider Identifier (NPI) is 1821099078, issued by NPPES.
Does Dr. Walter Klein accept Medicare assignment?
Yes. Dr. Walter Klein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Klein 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 99215); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.