Dr. Qiwei W. Gai, MD

  • Baltimore, MD
  • Hematologist and oncologist
NPI1780889139PAC ID5890853485
Medicare services, 2024
2,099
Medicare patients, 2024
990
Part D claims, 2024
1,582
Publications
1
Clinical trials
10
Practice address
2401 West Belvedere Avenue, Baltimore, MD 21215
Practice phone
Call (410) 601-9000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sinai Hospital of Baltimore

Hospital · Baltimore, Maryland

See all 10 affiliations

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Dr. Qiwei W. Gai is a hematologist and oncologist in Baltimore, Maryland

Dr. Gai practices at Sinai Hospital of Baltimore in Baltimore, Maryland, part of LifeBridge Health.

Dr. Gai's NPI, 1780889139, was assigned on June 17, 2007. Dr. Gai holds Maryland license D0066409.

NPI and contact details
Medicare PAC ID
5890853485
NPI enumeration date
June 17, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 601-9000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Qiwei W. Gai practices at Sinai Hospital of Baltimore in Baltimore, Maryland

Dr. Gai's primary practice is Sinai Hospital of Baltimore, at 2401 West Belvedere Avenue, Baltimore, MD 21215 in Baltimore City. The practice phone is (410) 601-9000.

Source: Dmand AI Affiliation Data

Dr. Qiwei W. Gai is affiliated with 8 sites of care and 2 medical groups

Dr. Gai's primary practice is Sinai Hospital of Baltimore in Baltimore, Maryland, part of LifeBridge Health. Dr. Gai is also affiliated with WellSpan Gettysburg Hospital. The medical group on file is Zangmeister Cancer Center. Dmand AI also links Dr. Gai to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 10 affiliations for Dr. Gai

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Qiwei W. Gai's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gai practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sinai Hospital of BaltimoreAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Qiwei W. Gai is one of 245 hematologists and oncologists in Maryland

Hematology and oncology is Dr. Gai's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Gai's licenses on file in 2 states: Maryland and Virginia.

Specialties and state licenses

  • Hematology and oncology, MarylandPrimaryLicense D0066409 · taxonomy 207RH0003X
  • Virginia licenseLicense 0101253413

Hematologists and oncologists near Dr. Gai

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Qiwei W. Gai billed Medicare for 2,099 services in 2024

CMS data shows 2,099 Medicare services from Dr. Gai across 6 procedure codes in 2024, for 990 Medicare patients. Medicare paid $190,560 for them.

Medicare services, 20242,099
Medicare patients990
Paid by Medicare$190,560
Procedure codes6

Dr. Gai's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2,2992024: 2,0999%
Surgery
2023: 162024: 0100%

Where Dr. Gai's Medicare services took place, 2024

  • In an office72034%
  • In a facility1,37966%

Dr. Gai compared with the Maryland median for hematologists and oncologists, 2024

  • Dr. Gai
  • Maryland median
Medicare services
2,099vs 1,88411% above
Medicare patients
990vs 3962.5 times
Part D claims
1,414vs 3833.7 times

Medians across 205 hematologists and oncologists in Maryland with Dmand AI profiles that report each measure.

Dr. Gai's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Qiwei W. Gai treated 990 Medicare patients in 2024, average age 76

CMS counts 990 Medicare patients who saw Dr. Gai in 2024. The largest group is 75 to 84, with 426 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.62, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gai's median patient age at 74, with 60% women.

Medicare patients, 2024990
Average age76
Average risk score1.62
Also on Medicaid11%

Dr. Gai's Medicare patients by age, 2024

Dr. Gai's Medicare patients by sex, 2024

  • Women63064%
  • Men36036%

Chronic conditions among Dr. Gai's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Cancer51%
  5. Diabetes39%
  6. Ischemic heart disease36%
  7. Chronic kidney disease31%
  8. Anxiety27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gai's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Qiwei W. Gai wrote 1,582 Medicare Part D claims in 2024

In 2024, Dr. Gai wrote 1,582 Medicare Part D claims for 324 patients. 80% of them were for generic drugs. CMS names the drug for 1,414 of them, across 35 drugs with 11 or more claims each, at $3,412,513 in total drug cost. In 2023, CMS named 1,380 claims across 38 drugs.

Part D claims, 20241,582
Drugs named by CMS35
Total drug cost$3.4M
Part D patients324

Dr. Gai's Part D claims by kind of drug, 2024

  • Generic1,264 claims80%
  • Brand-name318 claims20%

Dr. Gai's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Gai's Part D claims, 2024

  • Opioids2%39 of 1,582 claims
  • Antibiotics2%26 of 1,582 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,3802024: 1,4142%

Drugs named by CMS: 35 in 2024, 38 in 2023.

See all prescribing by Dr. Gai

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Qiwei W. Gai scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Gai for performance year 2024, reported as part of a group. Dr. Gai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gai as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Gai's MIPS scores, performance year 2024

  • 85of 100Final score
  • 71.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Qiwei W. Gai has 1 publication on record

Dmand AI links 1 paper to Dr. Gai in 2014. Dr. Gai's most frequent co-authors are Pablo A. Bejarano, Martin J. Edelman, MD and Josephine Feliciano, MD.

Papers1

Dr. Gai's most frequent co-authors

Recent publications by Dr. Gai

See all 1 publications and co-authors

See who Dr. Gai researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gai works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Qiwei W. Gai has worked on 10 clinical trials

Dmand AI links Dr. Gai to 10 clinical trials, 5 of them phase 3 studies. 7 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Breast Neoplasms and Carcinoma, Bronchogenic. National Cancer Institute (NCI) sponsors the most, 5.

Clinical trials with Dr. Gai by phase

  1. NonePhase 1: no trials
  2. 3Phase 2: 3 trials
  3. 1Phase 2/3: 1 trial
  4. 5Phase 3: 5 trials
  5. NonePhase 4: no trials

Conditions in Dr. Gai's trials

  • Carcinoma, Non-Small-Cell Lung
  • Breast Neoplasms
  • Carcinoma, Bronchogenic
  • Adenocarcinoma of Lung
  • Breast Neoplasms, Male

Investigators on the most trials with Dr. Gai

Recent clinical trials with Dr. Gai

See all 10 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Qiwei W. Gai received $28,436 in industry payments from 2016 to 2025

CMS Open Payments shows 331 general payments to Dr. Gai from 42 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 63% of the total. AstraZeneca Pharmaceuticals LP paid the most, $5,588.

General payments to Dr. Gai by program year, 2016 to 2025

General payments to Dr. Gai by kind, 2016 to 2025

$28.4Kin total
  • Consulting fees$17,99263%
  • Food and beverage$5,61320%
  • Honoraria$3,05011%
  • Travel and lodging$1,4225%
  • Education$3591%

Companies that paid Dr. Gai the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Gai

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Qiwei W. Gai's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Qiwei W. Gai

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Qiwei W. Gai's NPI number?

Dr. Qiwei W. Gai's NPI number is 1780889139. It was assigned on June 17, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Qiwei W. Gai?

Dr. Qiwei W. Gai is a hematologist and oncologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Qiwei W. Gai practice?

Dr. Gai practices at 2401 West Belvedere Avenue, Baltimore, MD 21215. Dr. Gai's primary practice is Sinai Hospital of Baltimore in Baltimore, Maryland, part of LifeBridge Health. Dmand AI also links Dr. Gai to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Dr. Qiwei W. Gai's office phone number?

The practice phone on file for Dr. Gai is (410) 601-9000.

What is Dr. Qiwei W. Gai's medical license number?

Dr. Gai holds Maryland license D0066409, one of the licenses on file in 2 states.

Which states has Dr. Qiwei W. Gai been licensed in?

Dmand AI has state licenses on file for Dr. Gai in Maryland and Virginia.

Which hospitals is Dr. Qiwei W. Gai affiliated with?

Dr. Gai practices at Sinai Hospital of Baltimore in Baltimore, Maryland. Dr. Gai is also affiliated with WellSpan Gettysburg Hospital. Dmand AI links Dr. Gai to 3 more hospitals.

What medical group is Dr. Qiwei W. Gai part of?

Dr. Gai is linked to Zangmeister Cancer Center. Dmand AI links Dr. Gai to 1 more medical group.

Does Dr. Qiwei W. Gai accept Medicare?

Yes. CMS data shows Dr. Gai billed Medicare for 2,099 services in 2024, and Dr. Gai accepts Medicare assignment.

Does Dr. Qiwei W. Gai offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Gai as offering telehealth services.

Show 8 more questionsShow fewer questions

What is Dr. Qiwei W. Gai's MIPS score?

Dr. Gai's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Dr. Qiwei W. Gai see?

CMS counts 990 Medicare patients who saw Dr. Gai in 2024, with an average age of 76.

What services does Dr. Qiwei W. Gai bill to Medicare?

In 2024, Dr. Gai's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, established patient (99213).

What drugs does Dr. Qiwei W. Gai prescribe most?

In 2024 Medicare Part D data, Dr. Gai's most prescribed drugs by claims were Anastrozole, Hydroxyurea and Alendronate Sodium.

Has Dr. Qiwei W. Gai received payments from drug or device companies?

CMS Open Payments shows $28,436 in general payments to Dr. Gai from 42 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Qiwei W. Gai been practicing?

Dr. Gai graduated from medical school in 2003, 23 years ago.

Does Dr. Qiwei W. Gai do research?

Dmand AI links 1 publication to Dr. Gai. Dr. Gai has worked on 10 clinical trials.

Who does Dr. Qiwei W. Gai publish with?

Dr. Gai's most frequent co-authors are Pablo A. Bejarano (1 shared paper), Martin J. Edelman, MD (1 shared paper) and Josephine Feliciano, MD (1 shared paper).

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