1. Home
  2. Directory
  3. Maryland
  4. Towson
  5. Internal Medicine
  6. NPI Profile

ZIAD KHALIL MIRZA M.D.
NPI 1225008915
Internal Medicine in Towson, MD

Active since January 25, 2006PECOS Enrolled
7600 OSLER DR STE 406, TOWSON, MD 21204(410) 821-8444(410) 821-8447 Get Directions Write a Review

NPPES record last updated: September 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ziad Khalil Mirza M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ZIAD KHALIL MIRZA M.D. (NPI 1225008915) is an individual internal medicine provider in Towson, Maryland, licensed in Maryland (D0041901) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225008915
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameZIAD KHALIL MIRZACredential: M.D.
Location Address7600 OSLER DR STE 406Towson, MD 21204-7703
Mailing Address7600 Osler Dr Ste 406Towson, MD 21204-7703 · (410) 821-8444 · Fax (410) 821-8447
Phone(410) 821-8444
Fax(410) 821-8447
Sole ProprietorNo
Enumeration DateJanuary 25, 2006
Last NPPES UpdateSeptember 21, 2022
NPPES CertifiedSeptember 21, 2022
✔ NPI 1225008915 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0041901
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
7600 OSLER DR STE 406, Towson, MD 21204
Open in Google Maps ↗

Other Identifiers 1

Medicaid299511500MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ziad Khalil Mirza M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ziad Mirza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Baltimore Medical & Surgical Associates
Same address
Multi-Specialty
7600 OSLER DR STE 406
Towson, MD 21204
  • Reassigned Medicare billing, Maryland enrollment
  • 2 clinicians in this Medicare group
NPI 1881634657 (410) 821-8444

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 2

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.

Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval G0277
Hyperbaric oxygen therapy involves breathing pure oxygen in a pressurized room or tube. You'll be in a full body chamber for 30-minute intervals. This high-pressure environment allows your lungs to gather more oxygen, which can promote healing and fight infection.
251 services37 patients
Management of oxygen chamber therapy 99183
Oxygen chamber therapy involves breathing pure oxygen in a pressurized room or tube. It's used to treat various conditions like wounds that won't heal due to diabetes or radiation injury. In this therapy, your body's tissues get more oxygen to promote healing and fight infection.
63 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21204 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. ANISA A. MIRZA M.D.
Internal Medicine
7600 OSLER DR STE 406
TOWSON, MD 21204
Baltimore County (410) 821-8444
NADINE MIRZA
Dentist
7600 OSLER DR STE 406
TOWSON, MD 21204
Baltimore County (410) 802-1902
BALTIMORE MEDICAL & SURGICAL ASSOCIATES
Clinic/Center (Multi-Specialty)
7600 OSLER DR STE 406
TOWSON, MD 21204
Baltimore County (410) 821-8444

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 Ziad Mirza's NPI number?

The NPI number for Ziad Mirza is 1225008915. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Ziad Mirza located?

Ziad Mirza practices at 7600 Osler Dr Ste 406, Towson, MD 21204. The listed phone number is (410) 821-8444.

What is Ziad Mirza's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ziad Mirza enrolled in Medicare?

Yes. Ziad Mirza is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ziad Mirza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ziad Mirza reassigns Medicare benefits to Baltimore Medical & Surgical Associates (Towson, 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 Ziad Mirza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ziad Mirza was last updated on September 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.