Registry data as of Aug 27, 2026

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 on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1407219397
Name
Alison Flentje
Primary taxonomy
Vascular Surgery Physician 2086S0129X
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 328-5878
Enumerated
Mar 30, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22 S Greene St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPFamily Nurse Practitioner1033781117

Verify Alison Flentje in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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 211 among the 3,020 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Alison Flentje16
  2. Specialty average211

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.

One hospital or facility affiliation

  1. St Agnes Healthcare IncBaltimore, MD

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Vascular Surgery Physician providers in Maryland

There are 96 vascular surgery physician records in Maryland.

Other vascular surgery physician records in Maryland

  1. Ahmad Abu-Ghaida, M.D.Baltimore, MD1659320257
  2. Christopher Abularrage, MDBaltimore, MD1063675908
  3. Gi-Ann Acosta, MDCamp Springs, MD1104453471
  4. Lisa Alford, M.D.Bethesda, MD1497726079
  5. Mouhamad Annous, MDTowson, MD1154390953
  6. Margaret Arnold, M.D.Baltimore, MD1043439268
  7. Elliott Badder, MDBaltimore, MD1790750941
  8. Richard Bafford, MD, MSPHBel Air, MD1215056254
  9. James Black, M.D.Baltimore, MD1609832716
  10. Michael Bounds, M.D.Salisbury, MD1568755825

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?

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 211. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.