Lia Penn
Addiction Medicine (Internal Medicine) Physician · Baltimore, MD
Lia Penn is an addiction medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1376162768, issued on Apr 15, 2020. Check the license (Maryland D0098675, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Lia Penn
- Primary taxonomy
- Addiction Medicine (Internal Medicine) Physician 207RA0401X
- License number
- D0098675 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 550-0100
- Enumerated
- Apr 15, 2020
- Record last updated
- May 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20240605001294); may accept Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest addiction medicine (internal medicine) physician records → All 15 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lia Penn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0098675Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average addiction medicine (internal medicine) physician in 2024
410 Medicare Part D claims for 66 beneficiaries, against an average of 829 among the 401 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Buprenorphine-Naloxone44 claims
- Gabapentin24 claims
- Atorvastatin Calcium23 claims
- Oxycodone Hcl21 claims
- Jardiance17 claims
- Metoprolol Succinate14 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
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lia Penn among 15 addiction medicine (internal medicine) physician records in Maryland
Lia Penn is one of 15 addiction medicine (internal medicine) physician records with a practice address in Maryland. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 7% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0401X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Internal Medicine) Physician providers in Maryland
There are 15 addiction medicine (internal medicine) physician records in Maryland.
All 15 in Maryland → Every provider in Baltimore → Addiction Medicine (Internal Medicine) Physician nationwide →
The 8 addiction medicine (internal medicine) physician records with the nearest ZIP codes
- Alia Bodnar, M.D.Baltimore, MD 212241043535123
- Megan Buresh, M.D.Baltimore, MD 212241710257290
- Jessica Ratner, MDBaltimore, MD 212241255793675
- Aditi RingwalaBaltimore, MD 212231376801654
- Cassandra Chioma, MDBaltimore, MD 212181356846968
- Howard Cohen, MDBaltimore, MD 212151770575326
- Terrence Fitzgerald, M.D.Baltimore, MD 212121881683522
- Fidelis Define, MDTowson, MD 212041245474063
Common questions
What is Lia Penn's NPI number?
Lia Penn's National Provider Identifier (NPI) is 1376162768, issued on Apr 15, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Lia Penn located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-0100. Providers update this record themselves, so call before visiting.
How can I verify Lia Penn's license?
NPPES lists Maryland license number D0098675, 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 Lia Penn prescribe under Medicare Part D?
In 2024, Lia Penn had 410 Medicare Part D claims for 66 beneficiaries; the average among addiction medicine (internal medicine) physician prescribers was 829. 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.