DR. LISA JOSEPHINE GREGORCYK MD
NPI 1831468727
Pediatrics - Pediatric Cardiology in Baltimore, MD
About Dr. Lisa Josephine Gregorcyk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LISA JOSEPHINE GREGORCYK MD (NPI 1831468727) is an individual pediatric cardiology provider in Baltimore, Maryland, licensed in Maryland (D0107521) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Connecticut School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Dr. Lisa Josephine Gregorcyk 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 Reassignments
2Medicare enrollment records show Lisa Gregorcyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21205
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Fort Worth, TX 76104
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Cook Childrens Physician Network
- 1,186 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.
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 21287
BALTIMORE, MD 21287
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 Lisa Gregorcyk's NPI number?
The NPI number for Lisa Gregorcyk is 1831468727. It was assigned to this individual provider in the NPPES registry on December 21, 2011.
Where is Lisa Gregorcyk located?
Lisa Gregorcyk practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.
What is Lisa Gregorcyk's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Lisa Gregorcyk enrolled in Medicare?
Yes. Lisa Gregorcyk 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 organizations bill Medicare for Lisa Gregorcyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Gregorcyk reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Cook Children's Physician Network (Fort Worth, TX). Each 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 Lisa Gregorcyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lisa Gregorcyk accept?
Health plans from Imperial Insurance Companies, Inc. list Lisa Gregorcyk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lisa Gregorcyk was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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.
# Dr. Lisa Josephine Gregorcyk, MD · NPI 1831468727
Pediatric Cardiology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since December 21, 2011.
## Identity
- **NPI:** 1831468727 (Entity type: Individual)
- **Enumerated:** December 21, 2011
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** D0107521 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1800 ORLEANS ST, Baltimore, MD 21287-0010
- **Phone:** (410) 955-5000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1033190442, Baltimore, MD); Cook Children's Physician Network (NPI 1083472062, Fort Worth, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** September 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831468727) · Data from the CMS NPPES public registry.