Qiwei Gai, MD
NPI 1780889139 · Hematology & Oncology Physician · Easton, MD
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Qiwei Gai, MD is a Hematology & Oncology Physician provider in Easton, MD (NPI 1780889139).
Provider details
- NPI number
- 1780889139
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0066409 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,099 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 648 | $147 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 485 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 330 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 191 | $147 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 142 | $185 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 310 | 96 |
| Hydroxyurea | 110 | 25 |
| Alendronate Sodium | 76 | 22 |
| Tamoxifen Citrate | 73 | 22 |
| Lenalidomide | 71 | 14 |
| Apixabanbrand: Eliquis | 69 | 14 |
| Ondansetron Hcl | 66 | 40 |
| Acyclovir | 65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,780 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 2977 4h Park Rd Ste 102Centreville, MD 21617-2237Phone: (410) 758-4030Fax: (410) 758-4733
- 291 Stoner AveWestminster, MD 21157-5647Phone: (410) 871-6400
- 8316 Arlington BlvdSuite 650Fairfax, VA 22031-5207Phone: (709) 698-9400
Registry dates
- Enumerated
- 2007-06-17
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Qiwei Gai's NPI number?
- Qiwei Gai's National Provider Identifier (NPI) is 1780889139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Qiwei Gai's specialty?
- Qiwei Gai is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Qiwei Gai located?
- Qiwei Gai's practice location on file with NPPES is 8221 Teal Dr Ste 302, Easton, MD 21601-7215.
- What is Qiwei Gai's phone number?
- The practice phone number listed in the NPPES registry for Qiwei Gai is (410) 820-5945.
- Does Qiwei Gai accept Medicare?
- Qiwei Gai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Qiwei Gai's NPI active?
- Yes — Qiwei Gai's NPI (1780889139) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.