DR. ARIF HUSSAIN M.D.
NPI 1770546830
Internal Medicine - Medical Oncology in Baltimore, MD
About Dr. Arif Hussain M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARIF HUSSAIN M.D. (NPI 1770546830) is an individual medical oncology provider in Baltimore, Maryland, licensed in Maryland (D33759) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Howard University College Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Arif Hussain 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 Reassignment
Medicare enrollment records show Arif Hussain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 89 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.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDAtlantic General Hospital
Acute Care Hospitals · Berlin, 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
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 Arif Hussain's NPI number?
The NPI number for Arif Hussain is 1770546830. It was assigned to this individual provider in the NPPES registry on April 10, 2006.
Where is Arif Hussain located?
Arif Hussain practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-7225.
What is Arif Hussain's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Arif Hussain enrolled in Medicare?
Yes. Arif Hussain 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 Arif Hussain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arif Hussain reassigns Medicare benefits to University Of Maryland Oncology 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 Arif Hussain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Arif Hussain affiliated with any hospitals?
According to CMS data, Arif Hussain is affiliated with University Of Maryland Medical Center and Atlantic General Hospital.
When was this NPI record last updated?
The NPPES record for Arif Hussain was last updated on March 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Arif Hussain, M.D. · NPI 1770546830
Medical Oncology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 10, 2006.
## Identity
- **NPI:** 1770546830 (Entity type: Individual)
- **Enumerated:** April 10, 2006
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** D33759 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-7225 · **Fax:** (410) 328-0805
## 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 Oncology Associates, PA (NPI 1679523575, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Howard University College Of Medicine, class of 1980
## Record status
- **NPPES last updated:** March 7, 2011
- **Other identifiers:** Medicare UPIN D74642 (MD); Medicaid 405811900 (MD); Medicare PIN 349L618R (MD); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1770546830) · Data from the CMS NPPES public registry.