UNAIZA ZAMAN MD
NPI 1184286692
Internal Medicine - Hematology & Oncology in Oklahoma City, OK

Active since July 03, 2019PECOS EnrolledAccepts Medicare Assignment
800 NE 10TH ST, OKLAHOMA CITY, OK 73104(405) 271-4022 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 21, 2025, Sep 3, 2025, Jul 3, 2019 (3 updates tracked since 2019).

About Unaiza Zaman Md NPPES

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

UNAIZA ZAMAN MD (NPI 1184286692) is an individual hematology & oncology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (39572) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and maintains a secondary practice location in Brooklyn.

NPPES Registry Identity

NPI1184286692
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameUNAIZA ZAMANCredential: MD
Location Address800 NE 10TH STOklahoma City, OK 73104-5418
Mailing Address800 Ne 10th StOklahoma City, OK 73104-5418 · (405) 271-4022
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJuly 3, 2019
Last NPPES UpdateNovember 21, 20253 updates tracked since enumeration
NPPES CertifiedNovember 21, 2025
✔ NPI 1184286692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in OK · 39572
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
800 NE 10TH ST, Oklahoma City, OK 73104

Secondary Practice Location 1

Location 1450 Clarkson AveBrooklyn, NY 11203-2012 · Phone (718) 270-8867

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

Unaiza Zaman Md 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.

PECOS PAC ID9234642802
PECOS Enrollment IDI20250627002441
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 Unaiza Zaman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
1200 CHILDRENS AVE STE 11200
Oklahoma City, OK 73104
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,795 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370093
Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73104 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
$162.61 typical visit price
range $53.00 – $162.61
Typical copayment $40.65 (range $13.25 – $40.65)
Most-billed visit code 99205
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Obstetrics & Gynecology (Gynecologic Oncology)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Registered Nurse
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Internal Medicine
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Clinical Nurse Specialist (Adult Health)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Pharmacist (Oncology)
800 NE 10TH ST
OKLAHOMA CITY, OK 73104
Radiology (Therapeutic Radiology)
800 NE 10TH ST, OKCC L100
OKLAHOMA CITY, OK 73104
Nurse Practitioner
800 NE 10TH ST
OKLAHOMA CITY, OK 73104

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 Unaiza Zaman's NPI number?

The NPI number for Unaiza Zaman is 1184286692. It was assigned to this individual provider in the NPPES registry on July 3, 2019.

Where is Unaiza Zaman located?

Unaiza Zaman practices at 800 NE 10th St, Oklahoma City, OK 73104. The listed phone number is (405) 271-4022.

What is Unaiza Zaman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Unaiza Zaman enrolled in Medicare?

Yes. Unaiza Zaman 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 Unaiza Zaman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Unaiza Zaman reassigns Medicare benefits to Ou Health Partners, Inc (Oklahoma City, OK). 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 Unaiza Zaman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Unaiza Zaman accept?

Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Unaiza Zaman 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.

Is Unaiza Zaman affiliated with any hospitals?

According to CMS data, Unaiza Zaman is affiliated with O U Medical Center.

When was this NPI record last updated?

The NPPES record for Unaiza Zaman was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.