Provider Profile
Maryann J. Kwa practices hematology in New York, NY. Maryann is a 2009 graduate of Georgetown University School of Medicine. Maryann is also listed as specializing in medical oncology. According to Medicare claims data, Maryann cared for 226 Medicare patients across 326 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. The provider's National Provider Identifier (NPI) is 1437393592.
Factual summary compiled by Guide.md from public records; not written by this provider.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
462 1ST AVE BUILDING C&D, ROOM 556
New York, NY 10016
Within Hematology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Anemia
Bleeding disorders
Blood and immune disorders
Blood cancer
Blood clots
Bone marrow disorders
Clotting disorders
Inherited blood disorders
Iron disorders
Lymph conditions
Lymph disorders
Metabolic blood disorders
Nutritional blood disorders
Organ conditions
Platelet disorders
Protein disorders
Red blood cell disorders
White blood cell disorders
Most searched procedures
Biopsy
Blood treatments
Catheter care
Cell therapy
Cellular therapy
Consultation
Consultations
Diagnostic tests
Infusions
Injections
Lab tests
Medication management
Monitoring
Patient education
Procedures
Transfusion therapy
Transplants
Treatments
326 services · 226 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
176 | More often than most peers in Hematology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
74 | More often than most peers in Hematology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
43 | Less often than most peers in Hematology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
17 | Less often than most peers in Hematology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
16 | Less often than most peers in Hematology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Maryann J. Kwa is a hematology in New York, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Maryann J. Kwa is listed at 462 1St Ave Building C&D, Room 556, New York, NY 10016. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 263-6530. Contact the office directly to confirm availability and scheduling.
NPI registry
Maryann J. Kwa's National Provider Identifier is 1437393592. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Maryann J. Kwa attended Georgetown University School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
Maryann J. Kwa has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Maryann J. Kwa the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Maryann J. Kwa. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.