Alison Flentje
Vascular Surgery Physician · Baltimore, MD
Alison Flentje is a vascular surgery physician with a practice address in Baltimore, Maryland, and NPI 1407219397, issued on Mar 30, 2016. Check the license (Maryland D0103874, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Alison Flentje
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- D0103874 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-5878
- Enumerated
- Mar 30, 2016
- Record last updated
- Oct 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20251112001792); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 2016
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 103 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bizhan Aarabi, MDNeurological Surgery Physician1174578876
- Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Alison Flentje in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0103874Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average vascular surgery physician in 2024
16 Medicare Part D claims for 14 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- St Agnes Healthcare IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alison Flentje among 103 vascular surgery physician records in Maryland
Alison Flentje is one of 103 vascular surgery physician records with a practice address in Maryland. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 93% of them.
- NPI issued2016 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2016 · median 2001 among the 79 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Maryland
There are 103 vascular surgery physician records in Maryland.
All 103 in Maryland → Every provider in Baltimore → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Sarasijhaa Desikan, M.D.Baltimore, MD 212011528402252
- David Gitlitz, MDBaltimore, MD 212011174605323
- Saurabh GuptaBaltimore, MD 212011770934788
- Joel Harding, DOBaltimore, MD 212011457887325
- John Karwowski, MDBaltimore, MD 212011932123882
- Rishi Kundi, M.D.Baltimore, MD 212011174740559
- Brajesh Lal, M.D.Baltimore, MD 212011881625564
- Michael Lilly, MDBaltimore, MD 212011700887916
Common questions
What is Alison Flentje's NPI number?
Alison Flentje's National Provider Identifier (NPI) is 1407219397, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Alison Flentje located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-5878. Providers update this record themselves, so call before visiting.
How can I verify Alison Flentje's license?
NPPES lists Maryland license number D0103874, 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 Alison Flentje prescribe under Medicare Part D?
In 2024, Alison Flentje had 16 Medicare Part D claims for 14 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.