DR. HOLLEH DARIA HUSSEINZADEH M.D.
NPI 1528292711
Internal Medicine - Hematology & Oncology in Philadelphia, PA
About Dr. Holleh Daria Husseinzadeh M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLLEH DARIA HUSSEINZADEH M.D. (NPI 1528292711) is an individual hematology & oncology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD457412) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses 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. Holleh Daria Husseinzadeh M.d. 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 Holleh Husseinzadeh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 373 clinicians in this Medicare group
Wilmington, DE 19803
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1760811681 (Delaware)
- 1,531 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
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 Holleh Husseinzadeh's NPI number?
The NPI number for Holleh Husseinzadeh is 1528292711. It was assigned to this individual provider in the NPPES registry on May 4, 2009.
Where is Holleh Husseinzadeh located?
Holleh Husseinzadeh practices at 1015 Chestnut St Ste 1321, Philadelphia, PA 19107. The listed phone number is (215) 955-4730.
What is Holleh Husseinzadeh's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Holleh Husseinzadeh enrolled in Medicare?
Yes. Holleh Husseinzadeh 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 Holleh Husseinzadeh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holleh Husseinzadeh reassigns Medicare benefits to 2 organizations: University Of Penn-Medical Group (Philadelphia, PA) and Christiana Care Health Services, Inc (Wilmington, DE). 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 Holleh Husseinzadeh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holleh Husseinzadeh accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Holleh Husseinzadeh 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 Holleh Husseinzadeh was last updated on October 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.