Doctor profile · Federal record
Dr. Keith Friedenberg, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Mentor, OH
- NPI 1104928043
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
8877 Mentor Ave
Mentor, OH 440606211
(440) 205-1225
fax (440) 205-1275 - Additional location
-
1299 Industrial Pkwy N Ste 110
Brunswick, OH 442126366
(330) 225-6468 - Additional location
-
3985 Medina RD Ste 120
Medina, OH 442565968
(330) 225-6468 - Additional location
-
4360 Fulton Dr Nw Ste B
Canton, OH 447182878
(330) 305-2020 - Additional location
-
500 E Royalton RD Ste 100
Broadview Heights, OH 441472592
(330) 225-6468 - Mailing address
-
Po Box 381468
Germantown, TN 381831468
Show 2 more locations
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 16, 2026
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Ohio #35067316
- Medicaid
- OH #0985180
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104928043. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,104
Distinct HCPCS
10
Medicare allowed
$134,157
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 296 | 232 | $85 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 183 | 183 | $107 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 139 | 138 | $239 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 121 | 119 | $94 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 76 | 61 | $121 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 52 | 52 | $172 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 45 | 45 | $176 | |
43450 |
Dilation of esophagus | 43 | 43 | $38 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 43 | 43 | $110 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 28 | 28 | $159 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 55. This provider delivers 20× the peer median.Open Payments
Industry payments received
All-time total
$44,508
Transactions
154
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, Inc. | 70 | $42,809.08 | |
| ABBVIE INC. | 27 | $491.72 | |
| PFIZER INC. | 10 | $191.56 | |
| AIMMUNE THERAPEUTICS, INC. | 12 | $171.13 | |
| Janssen Biotech, Inc. | 6 | $110.62 | |
| Gilead Sciences, Inc. | 5 | $90.63 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 4 | $79.87 | |
| Lilly USA, LLC | 3 | $74.97 | |
| Ipsen Biopharmaceuticals, Inc | 4 | $73.94 | |
| Regeneron Healthcare Solutions, Inc. | 2 | $60.25 | |
| Celgene Corporation | 3 | $49.86 | |
| Intercept Pharmaceuticals, Inc. | 2 | $41.59 | |
| Ardelyx, Inc. | 2 | $37.58 | |
| Merck Sharp & Dohme LLC | 2 | $35.83 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 2 | $35.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,921
Patients
1,012
Total drug cost
$268,228
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 897 | 263 | $14,212 |
| Pantoprazole Sodium | Generic | 683 | 208 | $11,653 |
| Dicyclomine Hcl | Generic | 435 | 175 | $14,691 |
| Famotidine | Generic | 202 | 60 | $4,658 |
| Colestipol Hcl | Generic | 134 | 48 | $16,496 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 122 | 122 | $20,061 |
| Ondansetron Hcl | Generic | 87 | 30 | $3,158 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 63 | 17 | $4,780 |
| Budesonide Dr (Budesonide) | Brand | 51 | 22 | $21,247 |
| Sucralfate | Generic | 47 | 15 | $4,524 |
Frequently asked questions
What is Dr. Keith Friedenberg's medical specialty?
Dr. Keith Friedenberg practices Gastroenterology Physician in Mentor, OH.
Where does Dr. Keith Friedenberg practice?
Dr. Keith Friedenberg practices at 8877 Mentor Ave, Mentor, OH 440606211. Office phone: 4402051225.
What is Dr. Keith Friedenberg's NPI?
Dr. Keith Friedenberg's National Provider Identifier (NPI) is 1104928043, issued by NPPES.
Does Dr. Keith Friedenberg accept Medicare assignment?
Yes. Dr. Keith Friedenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Friedenberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.