Doctor profile · Federal record
Dr. Marc Kozam, MD
Gastroenterology Physician (CMS: Gastroenterology) · Olney, MD
- NPI 1821074014
- Accepts Medicare
- MIPS 18.2 / 100 · 2023
- 35 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
18111 Prince Philip Dr, Suite T-14
Olney, MD 208321513
(301) 774-4400
fax (301) 774-1034
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- September 17, 2013
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #D44289
- Medicaid
- MD #090907600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821074014. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
736
Distinct HCPCS
10
Medicare allowed
$102,024
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 219 | 163 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 172 | 152 | $101 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 101 | 101 | $187 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 66 | 66 | $124 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 58 | 58 | $113 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 51 | 51 | $192 | |
43450 |
Dilation of esophagus | 20 | 17 | $44 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 19 | 19 | $278 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 16 | 14 | $54 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 14 | 14 | $202 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 55. This provider delivers 13× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
261
Patients
105
Total drug cost
$13,915
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 91 | 39 | $2,275 |
| Omeprazole | Generic | 38 | 18 | $853 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 33 | 33 | $5,800 |
| Lansoprazole | Generic | 18 | 0 | $408 |
| Baclofen | Generic | 16 | 0 | $327 |
| Escitalopram Oxalate | Generic | 15 | 0 | $72 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 15 | 15 | $1,222 |
| Famotidine | Generic | 13 | 0 | $114 |
| Budesonide Ec (Budesonide) | Brand | 11 | 0 | $2,746 |
| Ondansetron Odt (Ondansetron) | Brand | 11 | 0 | $98 |
Hospital affiliations
Frequently asked questions
What is Dr. Marc Kozam's medical specialty?
Dr. Marc Kozam practices Gastroenterology Physician in Olney, MD.
Where does Dr. Marc Kozam practice?
Dr. Marc Kozam practices at 18111 Prince Philip Dr, Olney, MD 208321513. Office phone: 3017744400.
What is Dr. Marc Kozam's NPI?
Dr. Marc Kozam's National Provider Identifier (NPI) is 1821074014, issued by NPPES.
Does Dr. Marc Kozam accept Medicare assignment?
Yes. Dr. Marc Kozam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Kozam 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 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.