Stephen Matthew Lago, DO
Internal Medicine Physician · Lebanon, PA
Stephen Matthew Lago, DO is an internal medicine physician with a practice address in Lebanon, Pennsylvania, and NPI 1427010701, issued on Apr 4, 2006. Check the license (Pennsylvania OS-012237, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephen Matthew Lago
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS-012237 PA
Self-reported in NPPES; status is on the state search - Practice location
- 720 Norman Dr, Lebanon, PA 17042
- Phone
- (717) 274-6657
- Enumerated
- Apr 4, 2006
- Record last updated
- Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (717) 270-6615
- Medicaid IDs
- 1009423160001 PA
1009423160004 PA - Medicare enrollment
- Enrolled (PECOS I20040603000541); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 720 Norman Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elizabeth Muhiire-Ntaki, M.D.Hospitalist Physician1821251257
Verify Stephen Matthew Lago in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS-012237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,847 Medicare Part D claims for 807 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 87 claims were for opioids.
Most prescribed
- Atorvastatin Calcium802 claims
- Lisinopril697 claims
- Rosuvastatin Calcium664 claims
- Amlodipine Besylate632 claims
- Pantoprazole Sodium438 claims
- Levothyroxine Sodium398 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.
Bills Medicare through one group practice
- Wellspan Medical GroupLebanon, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Matthew Lago among 7,300 internal medicine physician records in Pennsylvania
Stephen Matthew Lago, DO is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2001 · median 2008 among the 4,208 with a school on file
- Record last updated2020 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 internal medicine physician records list a practice address in Lebanon
They are 30 of the 1,756 NPPES records with a practice address in Lebanon, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Lebanon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tamara Adams, M.D.Lebanon, PA 170421285626739
- Navneet Campbell, MDLebanon, PA 170421902887938
- Rachel Causak, MDLebanon, PA 170421407947195
- Bradley Davidson, M.D.Lebanon, PA 170421184715344
- Brian Fosnocht, M.D.Lebanon, PA 170421386652923
- John Halcovage, DOLebanon, PA 170421174582266
- Anne Hayes, M.D.Lebanon, PA 170421639161185
- Mark Jacobson, DOLebanon, PA 170421407879554
Common questions
What is Stephen Matthew Lago, DO's NPI number?
Stephen Matthew Lago, DO's National Provider Identifier (NPI) is 1427010701, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Matthew Lago, DO located?
The NPPES record lists a practice address at 720 Norman Dr, Lebanon, PA, 17042. Phone: (717) 274-6657. Providers update this record themselves, so call before visiting.
How can I verify Stephen Matthew Lago, DO's license?
NPPES lists Pennsylvania license number OS-012237, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Matthew Lago, DO prescribe under Medicare Part D?
In 2024, Stephen Matthew Lago, DO had 11,847 Medicare Part D claims for 807 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.