Stephen D. Humm, MD
Gastroenterology Physician · Silver Spring, MD
Stephen D. Humm, MD is a gastroenterology physician with a practice address in Silver Spring, Maryland, and NPI 1134256597, issued on Feb 27, 2007. Check the license (Maryland D0077877, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Stephen D. Humm
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- D0077877 MD
L-228282 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10801 Lockwood Dr, Silver Spring, MD 20901
- Phone
- (301) 593-2002
- Enumerated
- Feb 27, 2007
- Record last updated
- Jul 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (301) 593-4781
- Medicare enrollment
- Enrolled (PECOS I20140821000936); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 10801 Lockwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robyn Anderson, M.D.Critical Care Medicine (Internal Medicine) Physician1447288444
- Ashley ArtisObstetrics & Gynecology Physician1255679460
- Jessica Berger-Weiss, MDGynecology Physician1730161522
- Richard Broth, M.DMaternal & Fetal Medicine Physician1508854555
- James Butler, M.D.Gastroenterology Physician1295849222
- Franz Byars, N.P.Nurse Practitioner1477555795
Verify Stephen D. Humm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0077877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average gastroenterology physician in 2024
1,606 Medicare Part D claims for 371 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Famotidine268 claims
- Pantoprazole Sodium198 claims
- Omeprazole163 claims
- Sod Sulf-Potass Sulf-Mag Sulf128 claims
- Sucralfate77 claims
- Dexlansoprazole Dr63 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: $101.43
5 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.
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
- Capital Digestive Care LLCRockville, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen D. Humm among 505 gastroenterology physician records in Maryland
Stephen D. Humm, MD is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2003 · median 2002 among the 344 with a school on file
- Record last updated2016 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Silver Spring → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ruben Acosta, M.D.Silver Spring, MD 209011376545962
- James Butler, M.D.Silver Spring, MD 209011295849222
- Alan Diamond, M.D.Silver Spring, MD 209011457464851
- Nissrin Ezmerli, MDSilver Spring, MD 209011588804165
- Robert Finkel, MDSilver Spring, MD 209011780769364
- Joseph Genovese, M.D.Silver Spring, MD 209011114039286
- Milton Koch, M.D.Silver Spring, MD 209011275510257
- Arnold Levy, M.D.Silver Spring, MD 209011386701993
Common questions
What is Stephen D. Humm, MD's NPI number?
Stephen D. Humm, MD's National Provider Identifier (NPI) is 1134256597, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephen D. Humm, MD located?
The NPPES record lists a practice address at 10801 Lockwood Dr, Silver Spring, MD, 20901. Phone: (301) 593-2002. Providers update this record themselves, so call before visiting.
How can I verify Stephen D. Humm, MD's license?
NPPES lists Maryland license number D0077877, 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 Stephen D. Humm, MD prescribe under Medicare Part D?
In 2024, Stephen D. Humm, MD had 1,606 Medicare Part D claims for 371 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.