Mark Gloger, M.D.
NPI 1295723146 · Gastroenterology Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gloger, M.D. is a Gastroenterology Physician provider in Rockville, MD (NPI 1295723146).
Provider details
- NPI number
- 1295723146
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0044580 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
729 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 213 | $132 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 125 | $91 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 114 | $57 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 108 | $172 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 75 | $248 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 168 | 61 |
| Pantoprazole Sodium | 162 | 60 |
| Omeprazole | 130 | 48 |
| Esomeprazole Magnesium | 92 | 38 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 47 | 47 |
| Lansoprazole | 41 | 14 |
| Dicyclomine Hcl | 30 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$860 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-13
- Last updated
- 2016-07-11
Frequently asked questions
- What is Mark Gloger's NPI number?
- Mark Gloger's National Provider Identifier (NPI) is 1295723146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gloger's specialty?
- Mark Gloger is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gloger located?
- Mark Gloger's practice location on file with NPPES is 9711 Medical Center Dr, Rockville, MD 20850-3323.
- What is Mark Gloger's phone number?
- The practice phone number listed in the NPPES registry for Mark Gloger is (301) 251-1244.
- Does Mark Gloger accept Medicare?
- Mark Gloger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gloger's NPI active?
- Yes — Mark Gloger's NPI (1295723146) is active in the NPPES registry as of the last update on 2016-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.