DR. DIAA OSMAN DO
NPI 1689894495
Internal Medicine - Hematology & Oncology in Austin, TX

Active since April 26, 2007PECOS EnrolledAccepts Medicare Assignment
89.44/100
CMS Quality Rating
4101 JAMES CASEY ST STE 100, AUSTIN, TX 78745(512) 447-2202(512) 447-5337 Get Directions Write a Review

NPPES record last updated: August 30, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 30, 2022, Aug 21, 2018 (2 updates tracked since 2018).

About Dr. Diaa Osman Do NPPES

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

DR. DIAA OSMAN DO (NPI 1689894495) is an individual hematology & oncology provider in Austin, Texas, licensed in Texas (Q3567) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with St David's Medical Center, and is a graduate of Other (2012).

NPPES Registry Identity

NPI1689894495
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. DIAA OSMANCredential: DO
Location Address4101 JAMES CASEY ST STE 100Austin, TX 78745-1145
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-0813
Fax(512) 447-5337
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateApril 26, 2007
Last NPPES UpdateAugust 30, 20222 updates tracked since enumeration
NPPES CertifiedAugust 30, 2022
NPI 1689894495 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in TX · Q3567 Licensed in MN · 63605
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.
4101 JAMES CASEY ST STE 100, Austin, TX 78745

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Diaa Osman Do 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 ID6103051073
PECOS Enrollment IDI20220628002437
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.

Areas of Expertise CMS Part B claims 44

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
4,450 services40 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
932 services208 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
678 services179 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
613 services137 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
581 services189 patients
Gammaglobulin (immune system protein) measurement 82784
Gammaglobulin measurement is a blood test that checks the levels of certain proteins (gammaglobulins) that the body uses to fight infections. High or low levels can indicate various health conditions. It's a simple, quick procedure with minimal discomfort.
465 services51 patients

Hospital Affiliations CMS Care Compare 4

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

St David's Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450431
Location919 E 32nd StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

St David's South Austin Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number450713
Location901 West Ben White BlvdAustin, TX 78704 · Travis County
Emergency services Birthing friendly

North Austin Medical Center

Acute Care Hospitals · Austin, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450809
Location12221 Mopac Expressway NorthAustin, TX 78758 · Travis County
Emergency services Birthing friendly

Baylor Scott & White Medical Center - Round Rock

Acute Care Hospitals · Round Rock, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670034
Location300 University BlvdRound Rock, TX 78664 · Williamson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78745 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
$174.00 typical visit price
range $57.88 – $174.00
Typical copayment $43.50 (range $14.47 – $43.50)
Most-billed visit code 99205
Established Patient
$101.65 typical visit price
range $18.88 – $142.23
Typical copayment $25.41 (range $4.72 – $35.55)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.85
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 13

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

Physician Assistant
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Clinical Nurse Specialist
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Nurse Practitioner (Adult Health)
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Surgery (Surgical Oncology)
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Internal Medicine (Medical Oncology)
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Internal Medicine (Medical Oncology)
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Nurse Practitioner (Family)
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745
Surgery (Surgical Oncology)
4101 JAMES CASEY ST STE 100
AUSTIN, TX 78745

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 Diaa Osman's NPI number?

The NPI number for Diaa Osman is 1689894495. It was assigned to this individual provider in the NPPES registry on April 26, 2007.

Where is Diaa Osman located?

Diaa Osman practices at 4101 James Casey St Ste 100, Austin, TX 78745. The listed phone number is (512) 447-2202.

What is Diaa Osman's specialty?

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

Is Diaa Osman enrolled in Medicare?

Yes. Diaa Osman 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.

What insurance does Diaa Osman accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 9 other insurers list Diaa Osman 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 Diaa Osman affiliated with any hospitals?

According to CMS data, Diaa Osman is affiliated with St David's Medical Center, St David's South Austin Medical Center, North Austin Medical Center and Baylor Scott & White Medical Center - Round Rock.

When was this NPI record last updated?

The NPPES record for Diaa Osman was last updated on August 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.