Glenn Michael Silber, MD
Allergy & Immunology Physician · Columbia, MD
Glenn Michael Silber, MD is an allergy & immunology physician with a practice address in Columbia, Maryland, and NPI 1659315570, issued on Jun 15, 2006. Check the license (Maryland D33273, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Glenn Michael Silber
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- D33273 MD
M24338 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10025 Governor Warfield Pkwy, Columbia, MD 21044
- Phone
- (410) 730-6000
- Enumerated
- Jun 15, 2006
- Record last updated
- Jun 25, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (443) 979-7944
- Medicaid ID
- 395631800 MD
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 108 in Maryland → Look up another NPI →
Also registered at 10025 Governor Warfield Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Glenn Michael Silber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D33273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
37 Medicare Part D claims, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl12 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.
Glenn Michael Silber among 108 allergy & immunology physician records in Maryland
Glenn Michael Silber, MD is one of 108 allergy & immunology physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2015 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Maryland
There are 108 allergy & immunology physician records in Maryland.
All 108 in Maryland → Every provider in Columbia → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Sathvik Balaram, MDEllicott City, MD 210431942732151
- Michael Mardiney, M.D.Ellicott City, MD 210431609827724
- Surender Vaswani, MDColumbia, MD 210451598704546
- Lynne Zheutlin, MDEllicott City, MD 210421407884323
- Gloria Akan, M.D.Glen Burnie, MD 210611831155761
- Monica Bhagat, MDGlen Burnie, MD 210611659534139
- Andrew Moore, MDGlen Burnie, MD 210611942208863
- Matthew Mardiney, M.D.Bel Air, MD 210151144271073
Common questions
What is Glenn Michael Silber, MD's NPI number?
Glenn Michael Silber, MD's National Provider Identifier (NPI) is 1659315570, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Michael Silber, MD located?
The NPPES record lists a practice address at 10025 Governor Warfield Pkwy, Columbia, MD, 21044. Phone: (410) 730-6000. Providers update this record themselves, so call before visiting.
How can I verify Glenn Michael Silber, MD's license?
NPPES lists Maryland license number D33273, 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 Glenn Michael Silber, MD prescribe under Medicare Part D?
In 2024, Glenn Michael Silber, MD had 37 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. 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.