Mark A. Lamos, M.D.
Internal Medicine Physician · Hunt Valley, MD
Mark A. Lamos, M.D. is an internal medicine physician with a practice address in Hunt Valley, Maryland, and NPI 1295782241, issued on May 27, 2006. Check the license (Maryland D32453, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark A. Lamos
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D32453 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9 Schilling RD, Hunt Valley, MD 21031
- Phone
- (410) 771-9220
- Enumerated
- May 27, 2006
- Record last updated
- Aug 2, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 9 Schilling RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darby Burman, LCSW-CClinical Social Worker1467501924
- Olufunto Campbell, MDFamily Medicine Physician1184186710
- Sandra Cowett, LCSWC ACSW QCSWClinical Social Worker1295894996
- Charles Eck, MDInternal Medicine Physician1518939743
- Richard Englander, D.D.S.Dentist1184701765
- Lynne Farbman, MSWSocial Worker1932251840
Verify Mark A. Lamos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D32453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average internal medicine physician in 2024
847 Medicare Part D claims for 216 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium64 claims
- Losartan Potassium55 claims
- Lisinopril29 claims
- Methylprednisolone29 claims
- Amlodipine Besylate28 claims
- Metoprolol Succinate23 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.
Mark A. Lamos among 3,904 internal medicine physician records in Maryland
Mark A. Lamos, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Hunt Valley
They are 5 of the 861 NPPES records with a practice address in Hunt Valley, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Hunt Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charles Eck, MDHunt Valley, MD 210311518939743
- Samantha Ober, M.D.Hunt Valley, MD 210311235524034
- Cyrus Asadi, D.O.Cockeysville, MD 210301518048230
- Annie Bishai, M.D.Hunt Valley, MD 210301164666897
- Mary Bracken, MDCrownsville, MD 210321841498680
- Barbara Carroll, M.D.Cockeysville, MD 210301194714006
- Richard D'Antonio, M.D.Cockeysville, MD 210301033147574
- Jessy Dhillon, M.D.Cockeysville, MD 210301821400318
Common questions
What is Mark A. Lamos, M.D.'s NPI number?
Mark A. Lamos, M.D.'s National Provider Identifier (NPI) is 1295782241, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Lamos, M.D. located?
The NPPES record lists a practice address at 9 Schilling RD, Hunt Valley, MD, 21031. Phone: (410) 771-9220. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Lamos, M.D.'s license?
NPPES lists Maryland license number D32453, 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 A. Lamos, M.D. prescribe under Medicare Part D?
In 2024, Mark A. Lamos, M.D. had 847 Medicare Part D claims for 216 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.