DR. GHASSAN TAWIL M.D.
NPI 1710001771
Internal Medicine - Critical Care Medicine in Tulsa, OK
About Dr. Ghassan Tawil M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GHASSAN TAWIL M.D. (NPI 1710001771) is an individual critical care medicine provider in Tulsa, Oklahoma, licensed in Oklahoma (22986) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Hillcrest Medical Center, and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Dr. Ghassan Tawil 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 Reassignments
2Medicare enrollment records show Ghassan Tawil reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 340 clinicians in this Medicare group
Oklahoma City, OK 73106
- Reassigned Medicare billing, Oklahoma enrollment
- 63 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 6
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hillcrest Medical Center
Acute Care Hospitals · Tulsa, OKSsm Health St Anthony Hospital - Oklahoma City
Acute Care Hospitals · Oklahoma City, OKHillcrest Hospital Claremore
Acute Care Hospitals · Claremore, OKHillcrest Hospital Cushing
Acute Care Hospitals · Cushing, OKBailey Medical Center, LLC
Acute Care Hospitals · Owasso, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
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 Ghassan Tawil's NPI number?
The NPI number for Ghassan Tawil is 1710001771. It was assigned to this individual provider in the NPPES registry on March 16, 2007.
Where is Ghassan Tawil located?
Ghassan Tawil practices at 1120 S Utica Ave, Tulsa, OK 74104. The listed phone number is (918) 493-6000.
What is Ghassan Tawil's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Ghassan Tawil enrolled in Medicare?
Yes. Ghassan Tawil 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 Ghassan Tawil's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ghassan Tawil reassigns Medicare benefits to 2 organizations: Ahs Oklahoma Physician Group LLC (Tulsa, OK) and Healthfirst Physicians Management Services, Inc (Oklahoma City, OK). 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 Ghassan Tawil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ghassan Tawil accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Ghassan Tawil 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 Ghassan Tawil affiliated with any hospitals?
According to CMS data, Ghassan Tawil is affiliated with Hillcrest Medical Center, Ssm Health St Anthony Hospital - Oklahoma City, Hillcrest Hospital Claremore, Hillcrest Hospital Cushing and Bailey Medical Center, LLC.
When was this NPI record last updated?
The NPPES record for Ghassan Tawil was last updated on May 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Ghassan Tawil, M.D. · NPI 1710001771
Critical Care Medicine physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since March 16, 2007.
## Identity
- **NPI:** 1710001771 (Entity type: Individual)
- **Enumerated:** March 16, 2007
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 22986 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1120 S UTICA AVE, Tulsa, OK 74104-4012
- **Phone:** (918) 493-6000 · **Fax:** (918) 579-1218
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Ahs Oklahoma Physician Group LLC (NPI 1235182775, Tulsa, OK); Healthfirst Physicians Management Services, Inc (NPI 1891962460, Oklahoma City, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** May 6, 2014
- **Other identifiers:** Medicare PIN OK402853 (OK); Medicaid 200068600A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1710001771) · Data from the CMS NPPES public registry.