NPPES file of Aug 9, 2026

Alexander S. Krupnick, MD

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Baltimore, MD

Alexander S. Krupnick, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Baltimore, Maryland, and NPI 1437175668, issued on Jul 14, 2006. Check the license (Maryland D89214, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437175668
Name
Alexander S. Krupnick
Credential
MD
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License numbers
D89214 MD
2004009699 MO
0101261422 VA
Self-reported in NPPES; status is on the state search
Practice location
419 W Redwood St Ste 300, Baltimore, MD 21201
Phone
(410) 328-5300
Enumerated
Jul 14, 2006
Record last updated
Jun 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(410) 328-5147
Medicaid ID
821320412 MO
Medicare enrollment
Enrolled (PECOS I20200811003223); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1996
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 419 W Redwood St Ste 300

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

  1. Olubukola Aina, CRNP-ADULTThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1881267433
  2. Mary Anderson, CRNPAcute Care Nurse Practitioner1225418221
  3. Jennifer BaiPlastic and Reconstructive Surgery Physician1467957852
  4. Leonid Belyayev, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1538554118
  5. Hugo Bonatti, MDSurgery Physician1861609869
  6. Rebecca Brown, MDSurgical Oncology Physician1891054896

Verify Alexander S. Krupnick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D89214
    Check 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

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Industry payments in 2024: $223.32

2 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Krupnick$223.32
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Maryland Surgical Associates PABaltimore, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexander S. Krupnick among 92 thoracic surgery (cardiothoracic vascular surgery) physician records in Maryland

Alexander S. Krupnick, MD is one of 92 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Maryland. 65% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 38% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1996 · median 1996 among the 46 with a school on file
  • Record last updated2020 · 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 208G00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Maryland

There are 92 thoracic surgery (cardiothoracic vascular surgery) physician records in Maryland.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Richard Battafarano, MDBaltimore, MD 212011700803244
  2. James Brown, MDBaltimore, MD 212011053342683
  3. Shamus Carr, M.D.Baltimore, MD 212011891727913
  4. Siamak Dahi, MDBaltimore, MD 212011801185038
  5. Joseph Forbess, MDBaltimore, MD 212011669434742
  6. Gavin Henry, MDBaltimore, MD 212011033179098
  7. Conor Hynes, M.D.Baltimore, MD 212011891052676
  8. Paul Kirshbom, MDBaltimore, MD 212011689763393

Common questions

What is Alexander S. Krupnick, MD's NPI number?

Alexander S. Krupnick, MD's National Provider Identifier (NPI) is 1437175668, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander S. Krupnick, MD located?

The NPPES record lists a practice address at 419 W Redwood St Ste 300, Baltimore, MD, 21201. Phone: (410) 328-5300. Providers update this record themselves, so call before visiting.

How can I verify Alexander S. Krupnick, MD's license?

NPPES lists Maryland license number D89214, 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.

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.