Doctor profile · Federal record
Dr. Harold Loewenstine, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Montgomery, OH
- NPI 1184628679
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
10600 Montgomery RD Ste 300
Montgomery, OH 452424464
(513) 853-9250
fax (513) 281-1908 - Additional location
-
4746 Montgomery RD, Suite 202
Cincinnati, OH 452122622
(513) 721-5300
fax (513) 721-5166
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- August 31, 2023
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Ohio #35-057583
- Medicaid
- OH #0723426
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184628679. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,368
Distinct HCPCS
10
Medicare allowed
$143,905
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 344 | 232 | $86 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 254 | 254 | $154 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 213 | 212 | $5 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 117 | 98 | $121 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 114 | 109 | $95 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 76 | 76 | $240 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 40 | 40 | $81 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 21 | $76 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 34 | 34 | $176 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 30 | 30 | $159 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 52. This provider delivers 26× the peer median.Open Payments
Industry payments received
All-time total
$357
Transactions
19
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | 12 | $208.77 | |
| QOL Medical, LLC | 2 | $66.33 | |
| ABBVIE INC. | 1 | $23.01 | |
| Intercept Pharmaceuticals, Inc. | 1 | $16.88 | |
| Daiichi Sankyo Inc. | 1 | $15.07 | |
| Novo Nordisk Inc | 1 | $13.51 | |
| Phathom Pharmaceuticals, Inc. | 1 | $13.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,135
Patients
587
Total drug cost
$182,962
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 985 | 225 | $12,952 |
| Omeprazole | Generic | 235 | 58 | $3,222 |
| Famotidine | Generic | 177 | 45 | $4,224 |
| Metoclopramide Hcl | Generic | 105 | 19 | $763 |
| Glycopyrrolate | Generic | 92 | 25 | $3,913 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 91 | 91 | $1,983 |
| Mesalamine | Generic | 77 | 19 | $43,173 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 68 | 17 | $3,162 |
| Creon (Lipase/Protease/Amylase) | Brand | 64 | 0 | $99,392 |
| Dicyclomine Hcl | Generic | 60 | 23 | $1,875 |
Hospital affiliations
Frequently asked questions
What is Dr. Harold Loewenstine's medical specialty?
Dr. Harold Loewenstine practices Gastroenterology Physician in Montgomery, OH.
Where does Dr. Harold Loewenstine practice?
Dr. Harold Loewenstine practices at 10600 Montgomery RD Ste 300, Montgomery, OH 452424464. Office phone: 5138539250.
What is Dr. Harold Loewenstine's NPI?
Dr. Harold Loewenstine's National Provider Identifier (NPI) is 1184628679, issued by NPPES.
Does Dr. Harold Loewenstine accept Medicare assignment?
Yes. Dr. Harold Loewenstine accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harold Loewenstine commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500). Source: CMS Medicare Physician & Other Practitioners file.