Samuel P. Eng, MD
Family Medicine Physician · Olney, MD
Samuel P. Eng, MD is a family medicine physician with a practice address in Olney, Maryland, and NPI 1134199557, issued on Jan 26, 2006. Check the license (Maryland D0050207, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Samuel P. Eng
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D0050207 MD
Self-reported in NPPES; status is on the state search - Practice location
- 18111 Prince Philip Dr, Olney, MD 20832
- Phone
- (301) 774-7170
- Enumerated
- Jan 26, 2006
- Record last updated
- Oct 12, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (301) 774-6676
- Medicaid ID
- 020201100 MD
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 18111 Prince Philip Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samuel P. Eng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0050207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
99 Medicare Part D claims for 18 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibu15 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.
Samuel P. Eng among 1,912 family medicine physician records in Maryland
Samuel P. Eng, MD is one of 1,912 family medicine physician records with a practice address in Maryland. 73% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2009 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 family medicine physician records list a practice address in Olney
They are 9 of the 742 NPPES records with a practice address in Olney, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Olney → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Frederik Bloem, M.D.Olney, MD 208321710042932
- Aashish Dewan, MDOlney, MD 208321619506979
- Johny Edappully, M.D.Olney, MD 208321053489336
- Melanie Grady, MDOlney, MD 208321285047902
- Mimi Martins, M.DOlney, MD 208321366820847
- Tik Ka Ng, M.D.Olney, MD 208321376544486
- John Peters, M.D.Olney, MD 208321790019792
- Nan ZhaiOlney, MD 208321669982294
Common questions
What is Samuel P. Eng, MD's NPI number?
Samuel P. Eng, MD's National Provider Identifier (NPI) is 1134199557, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Samuel P. Eng, MD located?
The NPPES record lists a practice address at 18111 Prince Philip Dr, Olney, MD, 20832. Phone: (301) 774-7170. Providers update this record themselves, so call before visiting.
How can I verify Samuel P. Eng, MD's license?
NPPES lists Maryland license number D0050207, 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 Samuel P. Eng, MD prescribe under Medicare Part D?
In 2024, Samuel P. Eng, MD had 99 Medicare Part D claims for 18 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.