Maryann J. Kwa
Hematology (Internal Medicine) Physician · New York, NY
Maryann J. Kwa is a hematology (internal medicine) physician with a practice address in New York, New York, and NPI 1437393592, issued on Apr 20, 2009. Check the license (New York 261332, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Maryann J. Kwa
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 261332 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 1St Ave, New York, NY 10016
- Phone
- (212) 263-6530
- Enumerated
- Apr 20, 2009
- Record last updated
- Nov 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121112000628); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 161 in New York → Look up another NPI →
Also registered at 462 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Abeyta, CRNACertified Registered Nurse Anesthetist1225714272
- Annmarie Abodeely, DPMStudent in an Organized Health Care Education/Training Program1902749039
- Fayrose Abodeshisha, RPA-CSurgical Physician Assistant1245482413
- Leeja AbrahamPharmacist1386195899
- Catherine Abreu, NPAdult Health Nurse Practitioner1578950622
- David AbudahoudPharmacist1427822709
Verify Maryann J. Kwa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 261332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024
625 Medicare Part D claims for 164 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 20 claims were for opioids.
Most prescribed
- Anastrozole301 claims
- Letrozole75 claims
- Exemestane51 claims
- Tamoxifen Citrate44 claims
- Ondansetron Hcl25 claims
- Fentanyl20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $143.00
1 payment: food and beverage; the largest payer was Daiichi Sankyo Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maryann J. Kwa among 161 hematology (internal medicine) physician records in New York
Maryann J. Kwa is one of 161 hematology (internal medicine) physician records with a practice address in New York. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 68% of them.
- NPI issued2009 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2009 · median 2001 among the 92 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in New York
There are 161 hematology (internal medicine) physician records in New York.
All 161 in New York → Every provider in New York → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Benedetto Bruno, MDNew York, NY 100161679191860
- Jeffrey Buckner, MDNew York, NY 100161104840495
- Faith Davies, MDNew York, NY 100161487053484
- Jonathan GerberNew York, NY 100161275679201
- Dimitrios Papaioannou, MDNew York, NY 100161083119747
- Andrea Popescu-Martinez, MDNew York, NY 100161689741167
- Lauren Botero, MDNew York, NY 100191003376567
- Lawrence Cytryn, MDNew York, NY 100191386734275
Common questions
What is Maryann J. Kwa's NPI number?
Maryann J. Kwa's National Provider Identifier (NPI) is 1437393592, issued on Apr 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maryann J. Kwa located?
The NPPES record lists a practice address at 462 1St Ave, New York, NY, 10016. Phone: (212) 263-6530. Providers update this record themselves, so call before visiting.
How can I verify Maryann J. Kwa's license?
NPPES lists New York license number 261332, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maryann J. Kwa prescribe under Medicare Part D?
In 2024, Maryann J. Kwa had 625 Medicare Part D claims for 164 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Maryann J. Kwa's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.