Doctor profile · Federal record
Dr. Grice McMullan, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Laurel, MD
- NPI 1033409362
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
7350 van Dusen RD Ste 410
Laurel, MD 207075265
(301) 498-5500
fax (301) 498-7346 - Additional location
-
6230 Old Dobbin Ln Ste 150
Columbia, MD 210455809
(410) 730-9363
fax (410) 730-2084 - Additional location
-
7350 van Dusen RD Ste 210
Laurel, MD 207075268
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- January 6, 2026
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #D0082884
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033409362. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
361
Distinct HCPCS
7
Medicare allowed
$51,325
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 114 | 114 | $123 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 80 | 57 | $138 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 55 | 55 | $144 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $177 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 31 | 30 | $106 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 26 | 26 | $262 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 17 | $92 |
In context: peer comparison
Among 7 peers in Laurel Gastroenterology Physician, average services per provider: 71. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$771
Transactions
35
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 17 | $283.79 | |
| Gilead Sciences, INC. | 1 | $120.00 | |
| Janssen Biotech, INC. | 4 | $89.09 | |
| Regeneron Healthcare Solutions, INC. | 4 | $74.35 | |
| Celgene Corporation | 2 | $40.83 | |
| Intercept Pharmaceuticals, INC. | 1 | $28.02 | |
| Genzyme Corporation | 1 | $27.38 | |
| Celltrion USA INC. | 1 | $25.56 | |
| Ardelyx, INC. | 1 | $23.74 | |
| Pfizer INC. | 1 | $22.26 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $19.73 | |
| Aimmune Therapeutics, INC. | 1 | $15.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
150
Patients
94
Total drug cost
$3,341
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 57 | 35 | $991 |
| Pantoprazole Sodium | Generic | 35 | 17 | $437 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 29 | 28 | $478 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 15 | 14 | $1,257 |
| Famotidine | Generic | 14 | 0 | $178 |
Frequently asked questions
What is Dr. Grice McMullan's medical specialty?
Dr. Grice McMullan practices Gastroenterology Physician in Laurel, MD.
Where does Dr. Grice McMullan practice?
Dr. Grice McMullan practices at 7350 van Dusen RD Ste 410, Laurel, MD 207075265. Office phone: 3014985500.
What is Dr. Grice McMullan's NPI?
Dr. Grice McMullan's National Provider Identifier (NPI) is 1033409362, issued by NPPES.
Does Dr. Grice McMullan accept Medicare assignment?
Yes. Dr. Grice McMullan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grice McMullan commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.