DR. FADI ISMAIL ABU-SHAHIN MD
NPI 1215123971
Internal Medicine - Medical Oncology in Houston, TX

Q: What is Fadi Abu-shahin's NPI number?

The NPI number for Fadi Abu-shahin is 1215123971. It was assigned to this individual provider in the NPPES registry on September 17, 2007.

Q: What is Fadi Abu-shahin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Fadi Abu-shahin was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since September 17, 2007PECOS EnrolledAccepts Medicare Assignment

18220 STATE HIGHWAY 249 STE 100, HOUSTON, TX 77070(276) 546-2928(281) 737-0435 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 2, 2025, Aug 10, 2022 (2 updates tracked since 2022).

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About Dr. Fadi Ismail Abu-shahin Md NPPES

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

DR. FADI ISMAIL ABU-SHAHIN MD (NPI 1215123971) is an individual medical oncology provider in Houston, Texas, licensed in Texas (R7364) and active in the NPI registry since September 2007. He is enrolled in Medicare PECOS, is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., and is a graduate of Other (2004).

NPPES Registry Identity

NPI1215123971

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. FADI ISMAIL ABU-SHAHINCredential: MD

Location Address18220 STATE HIGHWAY 249 STE 100Houston, TX 77070-4349

Mailing Address18220 State Highway 249 Ste 130Houston, TX 77070-4371 · (281) 737-0435 · Fax (281) 737-0439

Phone(276) 546-2928

Fax(281) 737-0435

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateSeptember 17, 2007

Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration

NPPES CertifiedDecember 2, 2025

✔ NPI 1215123971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in TX · R7364

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

18220 STATE HIGHWAY 249 STE 100, Houston, TX 77070

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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. Fadi Ismail Abu-shahin 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 ID4880841402

PECOS Enrollment IDI20181012001643

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 Reassignments

Medicare enrollment records show Fadi Abu-shahin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tmh Physician Associates PLLC

20 mi

Ophthalmology

6550 FANNIN ST, SUITE 447
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
2,407 clinicians in this Medicare group

NPI 1275779225 (713) 441-7389

Houston Methodist Specialty Physicians

20 mi

Otolaryngology

7550 GREENBRIAR DR STE 600
Houston, TX 77030

Reassigned Medicare billing, Texas enrollment
1,579 clinicians in this Medicare group

NPI 1902614332 (281) 414-6055

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 7

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.

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.

149 services107 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

147 services92 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

66 services28 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

53 services46 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

35 services35 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

34 services19 patients

Hospital Affiliations CMS Care Compare 4

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

Ut Southwestern University Hospital - William P. Clements Jr.

Acute Care Hospitals · Dallas, TX

5/5 CMS rating

OwnershipGovernment - State

CMS Certification Number450044

Location6201 Harry Hines BlvdDallas, TX 75390 · Dallas County

Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450844

Location18220 State Highway 249Houston, TX 77070 · Harris County

Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670077

Location18500 Katy FreewayHouston, TX 77094 · Harris County

Emergency services Birthing friendly

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670122

Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77070 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

$176.98 typical visit price

range $58.24 – $176.98

Typical copayment $44.24 (range $14.56 – $44.24)

Most-billed visit code 99205

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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 4

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

SUNNY MEDICAL CARE PLLC

Internal Medicine

18220 STATE HIGHWAY 249 STE 100
HOUSTON, TX 77070

Harris County (832) 280-2521

ASHA MURTHY MD

Internal Medicine (Hematology & Oncology)

18220 STATE HIGHWAY 249 STE 100
HOUSTON, TX 77070

Harris County (281) 737-0435

GUADALUPE ROLAND ROJAS A.R.N.P.

Nurse Practitioner (Family)

18220 STATE HIGHWAY 249 STE 100
HOUSTON, TX 77070

Harris County (281) 737-0435

LOLITA ASHWOOD FNP

Nurse Practitioner (Family)

18220 STATE HIGHWAY 249 STE 100
HOUSTON, TX 77070

Harris County (281) 737-0476

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 Fadi Abu-shahin's NPI number?

The NPI number for Fadi Abu-shahin is 1215123971. It was assigned to this individual provider in the NPPES registry on September 17, 2007.

Where is Fadi Abu-shahin located?

Fadi Abu-shahin practices at 18220 State Highway 249 Ste 100, Houston, TX 77070. The listed phone number is (276) 546-2928.

What is Fadi Abu-shahin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Fadi Abu-shahin enrolled in Medicare?

Yes. Fadi Abu-shahin 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 Fadi Abu-shahin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fadi Abu-shahin reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (Houston, TX). 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 Fadi Abu-shahin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Fadi Abu-shahin affiliated with any hospitals?

According to CMS data, Fadi Abu-shahin is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., Houston Methodist Willowbrook Hospital, Houston Methodist West Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Fadi Abu-shahin was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.