NPPES file of Aug 9, 2026

Qiwei W. Gai, MD

Hematology & Oncology Physician · Easton, MD

Qiwei W. Gai, MD is a hematology & oncology physician with a practice address in Easton, Maryland, and NPI 1780889139, issued on Jun 17, 2007. Check the license (Maryland D0066409, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780889139
Name
Qiwei W. Gai
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
D0066409 MD
0101253413 VA
Self-reported in NPPES; status is on the state search
Practice location
8221 Teal Dr Ste 302, Easton, MD 21601
Phone
(410) 820-5945
Enumerated
Jun 17, 2007
Record last updated
Mar 16, 2026
Fax
(410) 820-9642
Medicaid ID
018845000 MD
Medicare enrollment
Enrolled (PECOS I20081027000381); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8221 Teal Dr Ste 302

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Colleen Monaghan, APRNNurse Practitioner1255192563
  2. Margaret Williams, DNP(C) CRNP, OCNNurse Practitioner1831553585

Verify Qiwei W. Gai in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0066409
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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80% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,582 Medicare Part D claims for 324 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 39 claims were for opioids.

  1. Qiwei Gai1,582
  2. Specialty average877

Most prescribed

  1. Anastrozole310 claims
  2. Hydroxyurea110 claims
  3. Alendronate Sodium76 claims
  4. Tamoxifen Citrate73 claims
  5. Lenalidomide71 claims
  6. Eliquis69 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,780.20

7 payments; by number, the most common kind was food and beverage; the largest payer was BeiGene USA, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Qiwei Gai$1,780.20
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Carroll Regional Cancer Center Physicians, LLCWestminster, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Qiwei W. Gai among 317 hematology & oncology physician records in Maryland

Qiwei W. Gai, MD is one of 317 hematology & oncology physician records with a practice address in Maryland. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.

  • NPI issued2007 · 42% of these records are older, 44% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2003 · median 2000 among the 185 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Maryland

There are 317 hematology & oncology physician records in Maryland.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Roopa Gupta, M.D.Easton, MD 216011194944496
  2. Pamela Simpson, M.D.Easton, MD 216011639217714
  3. David Smith, MDEaston, MD 216011386641082
  4. Jennifer Carter, MDCumberland, MD 215021841636214
  5. Blanche Mavromatis, MDCumberland, MD 215021336137876
  6. Qamar Zaman, MDCumberland, MD 215021093893331
  7. Giovanni Melillo, MDFrederick, MD 217011205371135
  8. Paul Rausch, MDFrederick, MD 217011942292826

Common questions

What is Qiwei W. Gai, MD's NPI number?

Qiwei W. Gai, MD's National Provider Identifier (NPI) is 1780889139, issued on Jun 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Qiwei W. Gai, MD located?

The NPPES record lists a practice address at 8221 Teal Dr Ste 302, Easton, MD, 21601. Phone: (410) 820-5945. Providers update this record themselves, so call before visiting.

How can I verify Qiwei W. Gai, MD's license?

NPPES lists Maryland license number D0066409, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Qiwei W. Gai, MD prescribe under Medicare Part D?

In 2024, Qiwei W. Gai, MD had 1,582 Medicare Part D claims for 324 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Qiwei W. Gai, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.