DR. PETYA LOZANOVA LOZANOVA MD
NPI 1639664659
Emergency Medicine in Philadelphia, PA
About Dr. Petya Lozanova Lozanova Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETYA LOZANOVA LOZANOVA MD (NPI 1639664659) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MT216666) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and is a graduate of University Of Maryland School Of Medicine (2018).
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)
Dr. Petya Lozanova Lozanova Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Petya Lozanova reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aberdeen, MD 21001
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- 729 clinicians in this Medicare group
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia enrollment
- 105 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 251 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 96 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 3
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.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDHoly Cross Germantown Hospital
Acute Care Hospitals · Germantown, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19141 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.
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
PHILADELPHIA, PA 19141
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 Petya Lozanova's NPI number?
The NPI number for Petya Lozanova is 1639664659. It was assigned to this individual provider in the NPPES registry on June 22, 2018.
Where is Petya Lozanova located?
Petya Lozanova practices at 5501 Old York Rd Ste 1, Philadelphia, PA 19141. The listed phone number is (443) 929-8243.
What is Petya Lozanova's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Petya Lozanova enrolled in Medicare?
Yes. Petya Lozanova is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Petya Lozanova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Petya Lozanova reassigns Medicare benefits to 4 organizations: Emergency Medicine Associates, PA (Aberdeen, MD), Cep America LLC (Silver Spring, MD), Mep Health, LLC (Rockville, MD) and Mep Observation Services LLC (Cumberland, MD). 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 Petya Lozanova's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Petya Lozanova affiliated with any hospitals?
According to CMS data, Petya Lozanova is affiliated with Holy Cross Hospital and Holy Cross Germantown Hospital.
When was this NPI record last updated?
The NPPES record for Petya Lozanova was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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. Petya Lozanova Lozanova, MD · NPI 1639664659
Emergency Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 22, 2018.
## Identity
- **NPI:** 1639664659 (Entity type: Individual)
- **Enumerated:** June 22, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MT216666 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 5501 OLD YORK RD STE 1, Philadelphia, PA 19141-3098
- **Phone:** (443) 929-8243
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Associates, PA (NPI 1609627082, Aberdeen, MD); Cep America LLC (NPI 1851286041, Silver Spring, MD); Mep Health, LLC (NPI 1164483558, Rockville, MD); Mep Observation Services LLC (NPI 1093003550, Cumberland, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** August 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639664659) · Data from the CMS NPPES public registry.