NPPES file of Aug 9, 2026

Mark Steven Gloger, M.D.

Gastroenterology Physician · Rockville, MD

Mark Steven Gloger, M.D. is a gastroenterology physician with a practice address in Rockville, Maryland, and NPI 1295723146, issued on Oct 13, 2005. Check the license (Maryland D0044580, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295723146
Name
Mark Steven Gloger
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
D0044580 MD
Self-reported in NPPES; status is on the state search
Practice location
9711 Medical Center Dr, Rockville, MD 20850
Phone
(301) 251-1244
Enumerated
Oct 13, 2005
Record last updated
Jul 11, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(301) 340-9360
Medicaid ID
358651100 MD
Medicare enrollment
Enrolled (PECOS I20081003000517); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1983
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9711 Medical Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Faisal Bhinder, MDGastroenterology Physician1700086808
  2. Mark Birns, M.D.Gastroenterology Physician1982692828
  3. Rory Byrne, M.D.General Practice Physician1356518294
  4. Judith Gurdian, MDObstetrics & Gynecology Physician1386629277
  5. Emily Lesch, D.O.Obstetrics & Gynecology Physician1164699104
  6. Burt Littman, M.D.Gynecology Physician1902018534

Verify Mark Steven Gloger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0044580
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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22% more Medicare Part D claims than the average gastroenterology physician in 2024

988 Medicare Part D claims for 316 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Mark Gloger988
  2. Specialty average811

Most prescribed

  1. Famotidine168 claims
  2. Pantoprazole Sodium162 claims
  3. Omeprazole130 claims
  4. Esomeprazole Magnesium92 claims
  5. Clenpiq47 claims
  6. Lansoprazole41 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $859.99

45 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Gloger$859.99
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Capital Digestive Care LLCFrederick, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gastroenterology Physician providers in Maryland

There are 505 gastroenterology physician records in Maryland.

Other gastroenterology physician records in Maryland

  1. Mohammad Abdallah, MBBSLa Plata, MD1598251282
  2. Maaza Abdi, M.D.Baltimore, MD1063625028
  3. Tsion Abdi, MDBaltimore, MD1881919637
  4. Hamza Abdulla, M.D.Easton, MD1437599529
  5. Thomas Abernathy, M.D.Catonsville, MD1538105697
  6. Fasika Aberra, M.D.Prince Frederick, MD1134480858
  7. Ruben Acosta, M.D.Silver Spring, MD1376545962
  8. Michael Adams, DOBethesda, MD1548757834
  9. Oluwasayo Adeyemo, MD/MPHAbingdon, MD1205221777
  10. Abdulhosein Adham, M.D.Oxon Hill, MD1710933791

Common questions

What is Mark Steven Gloger, M.D.'s NPI number?

Mark Steven Gloger, M.D.'s National Provider Identifier (NPI) is 1295723146, issued on Oct 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Steven Gloger, M.D. located?

The NPPES record lists a practice address at 9711 Medical Center Dr, Rockville, MD, 20850. Phone: (301) 251-1244. Providers update this record themselves, so call before visiting.

How can I verify Mark Steven Gloger, M.D.'s license?

NPPES lists Maryland license number D0044580, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Steven Gloger, M.D. prescribe under Medicare Part D?

In 2024, Mark Steven Gloger, M.D. had 988 Medicare Part D claims for 316 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.