Doctor profile · Federal record
Dr. David Jencks
Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Annapolis, MD
- NPI 1700175635
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
820 Bestgate RD Ste 2A
Annapolis, MD 21401
(410) 224-2116
fax (410) 224-2118 - Mailing address
-
300 Pasteur Dr, Grant S101
Stanford, CA 943052200
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- July 23, 2018
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #D0084992
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700175635. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,379
Distinct HCPCS
10
Medicare allowed
$196,086
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 325 | 251 | $93 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 192 | 189 | $94 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 156 | 154 | $136 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 154 | 151 | $261 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 145 | 131 | $134 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 71 | 70 | $180 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 63 | 63 | $118 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 61 | 61 | $172 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 57 | 51 | $58 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 41 | 40 | $178 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 113. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$337
Transactions
13
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 5 | $88.27 | |
| Boston Scientific Corporation | 1 | $83.46 | |
| Intercept Pharmaceuticals, Inc. | 2 | $44.75 | |
| Braintree Laboratories, Inc. | 1 | $31.16 | |
| GENZYME CORPORATION | 1 | $27.92 | |
| Celgene Corporation | 1 | $23.81 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $21.10 | |
| Lilly USA, LLC | 1 | $17.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,039
Patients
500
Total drug cost
$270,173
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 266 | 100 | $5,918 |
| Pantoprazole Sodium | Generic | 247 | 94 | $4,270 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 131 | 125 | $2,281 |
| Omeprazole | Generic | 86 | 29 | $1,574 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 81 | 78 | $6,494 |
| Linzess (Linaclotide) | Brand | 43 | 15 | $33,999 |
| Dicyclomine Hcl | Generic | 38 | 15 | $880 |
| Ondansetron Hcl | Generic | 25 | 11 | $261 |
| Mesalamine | Generic | 21 | 0 | $17,934 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 19 | 19 | $345 |
Frequently asked questions
What is Dr. David Jencks's medical specialty?
Dr. David Jencks practices Gastroenterology Physician in Annapolis, MD.
Where does Dr. David Jencks practice?
Dr. David Jencks practices at 820 Bestgate RD Ste 2A, Annapolis, MD 21401. Office phone: 4102242116.
What is Dr. David Jencks's NPI?
Dr. David Jencks's National Provider Identifier (NPI) is 1700175635, issued by NPPES.
Does Dr. David Jencks accept Medicare assignment?
Yes. Dr. David Jencks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Jencks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.