QIWEI W. GAI MD
NPI 1780889139
Internal Medicine - Hematology & Oncology in Easton, MD
About Qiwei W. Gai Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
QIWEI W. GAI MD (NPI 1780889139) is an individual hematology & oncology provider in Easton, Maryland, licensed in Maryland (D0066409) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 1
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
Qiwei W. Gai 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.
Medicare Billing Reassignments
2Medicare enrollment records show Qiwei Gai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westminster, MD 21157
- Reassigned Medicare billing, Maryland enrollment
- 16 clinicians in this Medicare group
Columbus, OH 43219
- Reassigned Medicare billing, Maryland enrollment
- 13 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 10
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.
Sinai Hospital Of Baltimore
Acute Care Hospitals · Baltimore, MDUniversity Of MD Shore Medical Ctr At Chestertown
Acute Care Hospitals · Chestertown, MDCarroll Hospital Center
Acute Care Hospitals · Westminster, MDUniversity Of MD Shore Medical Center At Easton
Acute Care Hospitals · Easton, MDGettysburg Hospital
Acute Care Hospitals · Gettysburg, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21601 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
EASTON, MD 21601
EASTON, MD 21601
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 Qiwei Gai's NPI number?
The NPI number for Qiwei Gai is 1780889139. It was assigned to this individual provider in the NPPES registry on June 17, 2007.
Where is Qiwei Gai located?
Qiwei Gai practices at 8221 Teal Dr Ste 302, Easton, MD 21601. The listed phone number is (410) 820-5945.
What is Qiwei Gai's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Qiwei Gai enrolled in Medicare?
Yes. Qiwei Gai 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 Qiwei Gai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Qiwei Gai reassigns Medicare benefits to 2 organizations: Carroll Regional Cancer Center Physicians, LLC (Westminster, MD) and American Oncology Partners PA (Columbus, OH). 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 Qiwei Gai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Qiwei Gai affiliated with any hospitals?
According to CMS data, Qiwei Gai is affiliated with Sinai Hospital Of Baltimore, University Of MD Shore Medical Ctr At Chestertown, Carroll Hospital Center, University Of MD Shore Medical Center At Easton and Gettysburg Hospital.
When was this NPI record last updated?
The NPPES record for Qiwei Gai was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Qiwei W. Gai, MD · NPI 1780889139
Hematology & Oncology physician in Easton, Maryland. Individual provider, active in the CMS NPPES registry since June 17, 2007.
## Identity
- **NPI:** 1780889139 (Entity type: Individual)
- **Enumerated:** June 17, 2007
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** D0066409 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8221 TEAL DR STE 302, Easton, MD 21601-7215
- **Phone:** (410) 820-5945 · **Fax:** (410) 820-9642
## 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): Carroll Regional Cancer Center Physicians, LLC (NPI 1609167998, Westminster, MD); American Oncology Partners PA (NPI 1265929723, Columbus, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** March 16, 2026
- **Other identifiers:** Medicaid 018845000 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1780889139) · Data from the CMS NPPES public registry.