ALEXANDER S. KRUPNICK MD
NPI 1437175668
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Baltimore, MD
About Alexander S. Krupnick Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER S. KRUPNICK MD (NPI 1437175668) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Baltimore, Maryland, licensed in Maryland (D89214) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of University Of Michigan Medical School (1996).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alexander S. Krupnick Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alexander Krupnick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 65 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDUniversity Of MD St Joseph Medical Center
Acute Care Hospitals · Towson, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Krupnick's NPI number?
The NPI number for Alexander Krupnick is 1437175668. It was assigned to this individual provider in the NPPES registry on July 14, 2006.
Where is Alexander Krupnick located?
Alexander Krupnick practices at 419 W Redwood St Ste 300, Baltimore, MD 21201. The listed phone number is (410) 328-5300.
What is Alexander Krupnick's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Alexander Krupnick enrolled in Medicare?
Yes. Alexander Krupnick is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alexander Krupnick's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Krupnick reassigns Medicare benefits to University Of Maryland Surgical Associates, PA (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Krupnick's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Krupnick affiliated with any hospitals?
According to CMS data, Alexander Krupnick is affiliated with University Of Maryland Medical Center and University Of MD St Joseph Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Krupnick was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alexander S. Krupnick, MD · NPI 1437175668
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1437175668 (Entity type: Individual)
- **Enumerated:** July 14, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** D89214 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 419 W REDWOOD ST STE 300, Baltimore, MD 21201-7003
- **Phone:** (410) 328-5300 · **Fax:** (410) 328-5147
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland Surgical Associates, PA (NPI 1962417634, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1996
## Record status
- **NPPES last updated:** September 29, 2026
- **Other identifiers:** Medicaid 821320412 (MO)
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Source: [NPI Profile](https://npiprofile.com/npi/1437175668) · Data from the CMS NPPES public registry.