Doctor profile · Federal record
Dr. Mervyn Danilewitz, MD
Gastroenterology Physician · Internal Medicine Physician · Philadelphia, PA
- NPI 1285682047
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
501 S 54Th St, 4 Floor
Philadelphia, PA 191431900
(215) 748-9833
fax (215) 748-9864 - Mailing address
-
1 W Elm St, Suite 100
Conshohocken, PA 194284108
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- December 19, 2012
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Pennsylvania #MD061765L
- Medicaid
- PA #001778169
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285682047. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
182
Distinct HCPCS
8
Medicare allowed
$25,475
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 31 | $101 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 32 | 32 | $174 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | 27 | $235 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 24 | 24 | $75 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 23 | 23 | $103 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $135 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $139 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 11 | 11 | $149 |
In context: peer comparison
Among 80 peers in Philadelphia Gastroenterology Physician, average services per provider: 80. This provider delivers 2.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
203
Patients
12
Total drug cost
$47,803
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 43 | 12 | $522 |
| Linzess (Linaclotide) | Brand | 39 | 0 | $20,546 |
| Omeprazole | Generic | 36 | 0 | $667 |
| Famotidine | Generic | 30 | 0 | $425 |
| Dicyclomine Hcl | Generic | 18 | 0 | $430 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 13 | 0 | $1,137 |
| Creon (Lipase/Protease/Amylase) | Brand | 13 | 0 | $24,010 |
| Metoclopramide Hcl | Generic | 11 | 0 | $68 |
Frequently asked questions
What is Dr. Mervyn Danilewitz's medical specialty?
Dr. Mervyn Danilewitz practices Gastroenterology Physician in Philadelphia, PA.
Where does Dr. Mervyn Danilewitz practice?
Dr. Mervyn Danilewitz practices at 501 S 54Th St, Philadelphia, PA 191431900. Office phone: 2157489833.
What is Dr. Mervyn Danilewitz's NPI?
Dr. Mervyn Danilewitz's National Provider Identifier (NPI) is 1285682047, issued by NPPES.
What procedures does Dr. Mervyn Danilewitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (HCPCS G0121); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.