1. Home
  2. Directory
  3. Maryland
  4. Rockville
  5. Internal Medicine
  6. NPI Profile

DR. MARK STEVEN GLOGER M.D.
NPI 1295723146
Internal Medicine - Gastroenterology in Rockville, MD

Active since October 13, 2005PECOS EnrolledAccepts Medicare Assignment
9711 MEDICAL CENTER DR, SUITE 308, ROCKVILLE, MD 20850(301) 251-1244(301) 340-9360 Get Directions Write a Review

NPPES record last updated: July 11, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Steven Gloger M.d. NPPES

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

DR. MARK STEVEN GLOGER M.D. (NPI 1295723146) is an individual gastroenterology provider in Rockville, Maryland, licensed in Maryland (D0044580) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1983).

NPPES Registry Identity

NPI1295723146
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MARK STEVEN GLOGERCredential: M.D.
Location Address9711 MEDICAL CENTER DR, SUITE 308Rockville, MD 20850-3323
Mailing Address12510 Prosperity Dr, Suite 200Silver Spring, MD 20904-1663 · (240) 485-5200 · Fax (301) 625-6906
Phone(301) 251-1244
Fax(301) 340-9360
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1983
Enumeration DateOctober 13, 2005
Last NPPES UpdateJuly 11, 2016
✔ NPI 1295723146 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 · D0044580
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.
9711 MEDICAL CENTER DR, Rockville, MD 20850
Open in Google Maps ↗

Other Identifiers 4

Medicare PIN133216ZAOHMD
Medicare PIN742872B21DC
Medicare UPINF55740MD
Medicaid358651100MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark Steven Gloger 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 ID7214959907
PECOS Enrollment IDI20051221001024, I20081003000517
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.

Areas of Expertise CMS Part B claims 9

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.
213 services200 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.
125 services125 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.
114 services114 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.
108 services108 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
75 services75 patients
Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251
This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.
47 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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 20

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

MS. BERIT ANNE SILVA CRNP
Specialist
9711 MEDICAL CENTER DR, SUITE 308
ROCKVILLE, MD 20850
Montgomery County (301) 251-1244
EMILY ECKERLEY LESCH D.O.
Obstetrics & Gynecology
9711 MEDICAL CENTER DR, SUITE 109
ROCKVILLE, MD 20850
Montgomery County (301) 762-5501
DR. SHIRLEY ANN OLSEN M.D.
Legal Medicine
9711 MEDICAL CENTER DR, SUITE 100
ROCKVILLE, MD 20850
Montgomery County (301) 251-2600
DR. VICTOR WITTEN M.D.
Internal Medicine (Gastroenterology)
9711 MEDICAL CENTER DR, SUITE 308
ROCKVILLE, MD 20850
Montgomery County (301) 251-0015
DR. RORY CHRISTOPHER BYRNE M.D.
General Practice
9711 MEDICAL CENTER DR
ROCKVILLE, MD 20850
Montgomery County (410) 707-5904
JUDITH ANNE GURDIAN MD
Obstetrics & Gynecology
9711 MEDICAL CENTER DR, STE 109
ROCKVILLE, MD 20850
Montgomery County (301) 762-5501
ORTHOCARE SOLUTIONS INC
Durable Medical Equipment & Medical Supplies
9711 MEDICAL CENTER DR, SUITE 201
ROCKVILLE, MD 20850
Montgomery County (301) 990-1640
ORTHOTIC SOLUTIONS, LLC
Specialist
9711 MEDICAL CENTER DR, SUITE 106
ROCKVILLE, MD 20850
Montgomery County (240) 403-1770

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 Mark Gloger's NPI number?

The NPI number for Mark Gloger is 1295723146. It was assigned to this individual provider in the NPPES registry on October 13, 2005.

Where is Mark Gloger located?

Mark Gloger practices at 9711 Medical Center Dr Suite 308, Rockville, MD 20850. The listed phone number is (301) 251-1244.

What is Mark Gloger's specialty?

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

Is Mark Gloger enrolled in Medicare?

Yes. Mark Gloger 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.

When was this NPI record last updated?

The NPPES record for Mark Gloger was last updated on July 11, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.