REGINA GRECO CRNP
NPI 1912447715
Nurse Practitioner in Baltimore, MD
About Regina Greco Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REGINA GRECO CRNP (NPI 1912447715) is an individual nurse practitioner in Baltimore, Maryland, licensed in Maryland (R160747) and active in the NPI registry since February 2017. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Regina Greco Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Regina Greco reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 5
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.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDJohns Hopkins Bayview Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
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 Regina Greco's NPI number?
The NPI number for Regina Greco is 1912447715. It was assigned to this individual provider in the NPPES registry on February 28, 2017.
Where is Regina Greco located?
Regina Greco practices at 5501 Hopkins Bayview Cir, Baltimore, MD 21224. The listed phone number is (410) 550-2629.
What is Regina Greco's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Regina Greco enrolled in Medicare?
Yes. Regina Greco is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Regina Greco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Regina Greco reassigns Medicare benefits to Johns Hopkins University (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 Regina Greco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Regina Greco affiliated with any hospitals?
According to CMS data, Regina Greco is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.
When was this NPI record last updated?
The NPPES record for Regina Greco was last updated on December 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Regina Greco, CRNP · NPI 1912447715
Nurse Practitioner physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since February 28, 2017.
## Identity
- **NPI:** 1912447715 (Entity type: Individual)
- **Enumerated:** February 28, 2017
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** R160747 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 5501 HOPKINS BAYVIEW CIR, Baltimore, MD 21224-6821
- **Phone:** (410) 550-2629 · **Fax:** (410) 550-1363
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Johns Hopkins University (NPI 1306810619, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** December 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1912447715) · Data from the CMS NPPES public registry.