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GRICE SHELTON MCMULLAN M.D.
NPI 1033409362
Internal Medicine - Gastroenterology in Laurel, MD

Active since April 07, 2011PECOS EnrolledAccepts Medicare Assignment
7350 VAN DUSEN RD STE 410, LAUREL, MD 20707(301) 498-5500(301) 498-7346 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 6, 2026, Mar 17, 2018, Jun 30, 2017 (3 updates tracked since 2017).

About Grice Shelton Mcmullan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRICE SHELTON MCMULLAN M.D. (NPI 1033409362) is an individual gastroenterology provider in Laurel, Maryland, licensed in Maryland (D0082884) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of George Washington University School Of Medicine (2011).

NPPES Registry Identity

NPI1033409362
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameGRICE SHELTON MCMULLANCredential: M.D.
Location Address7350 VAN DUSEN RD STE 410Laurel, MD 20707-5265
Mailing Address7350 Van Dusen Rd Ste 410Laurel, MD 20707-5265 · (301) 498-5500 · Fax (301) 498-7346
Phone(301) 498-5500
Fax(301) 498-7346
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2011
Enumeration DateApril 7, 2011
Last NPPES UpdateJanuary 6, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1033409362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MD · D0082884
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
7350 VAN DUSEN RD STE 410, Laurel, MD 20707
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Secondary Practice Locations 2

Location 16230 Old Dobbin Ln Ste 150Columbia, MD 21045-5809 · Phone (410) 730-9363 · Fax (410) 730-2084
Location 27350 Van Dusen Rd Ste 210Laurel, MD 20707-5268 · Phone (301) 498-5500 · Fax (301) 498-7346

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grice Shelton Mcmullan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446526818
PECOS Enrollment IDI20171031000109, I20220308003134
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Grice Mcmullan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Capital Digestive Care, LLC
Same address
Gastroenterology
7350 VAN DUSEN RD STE 410
Laurel, MD 20707
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1790523249 (Maryland)
  • 109 clinicians in this Medicare group
NPI 1326886870 (301) 498-5500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
98 services83 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
68 services68 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
66 services66 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
57 services56 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
52 services52 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
50 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20707 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SEEMA PATIL M.D.
Internal Medicine (Gastroenterology)
7350 VAN DUSEN RD STE 410
LAUREL, MD 20707
Prince George's County (301) 498-5500
CAPITAL DIGESTIVE CARE, LLC
Internal Medicine (Gastroenterology)
7350 VAN DUSEN RD STE 410
LAUREL, MD 20707
Prince George's County (301) 498-5500
SANAM D RAZEGHI M.D.
Internal Medicine (Gastroenterology)
7350 VAN DUSEN RD STE 410
LAUREL, MD 20707
Prince George's County (301) 498-5500
JOSEPH WILLIAM CLINTON MD
Internal Medicine (Gastroenterology)
7350 VAN DUSEN RD STE 410
LAUREL, MD 20707
Prince George's County (301) 498-5500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grice Mcmullan's NPI number?

The NPI number for Grice Mcmullan is 1033409362. It was assigned to this individual provider in the NPPES registry on April 7, 2011.

Where is Grice Mcmullan located?

Grice Mcmullan practices at 7350 Van Dusen Rd Ste 410, Laurel, MD 20707. The listed phone number is (301) 498-5500.

What is Grice Mcmullan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Grice Mcmullan enrolled in Medicare?

Yes. Grice Mcmullan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Grice Mcmullan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grice Mcmullan reassigns Medicare benefits to Capital Digestive Care, LLC (Laurel, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grice Mcmullan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Grice Mcmullan was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.