Michael Hwang
NPI 1497117444 · Medical Oncology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hwang is a Medical Oncology Physician provider in Baltimore, MD (NPI 1497117444).
Provider details
- NPI number
- 1497117444
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- D89006 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
927 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 | 839 | $167 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 69 | $208 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 19 | $134 |
Typical Medicare-allowed amounts for these services range $134–$208 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Osimertinib Mesylatebrand: Tagrisso | 140 | 19 |
| Dexamethasone | 70 | 43 |
| Ondansetron Hcl | 64 | 52 |
| Oxycodone Hcl | 51 | 21 |
| Prednisone | 35 | 20 |
| Alectinib Hclbrand: Alecensa | 28 | — |
| Dexamethasone Sodium Phosphate | 28 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$260 across 1 record (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
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2023-01-24
- Certified
- 2023-01-24
Frequently asked questions
- What is Michael Hwang's NPI number?
- Michael Hwang's National Provider Identifier (NPI) is 1497117444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hwang's specialty?
- Michael Hwang is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hwang located?
- Michael Hwang's practice location on file with NPPES is 1650 Orleans St # 21287, Baltimore, MD 21287-0013.
- What is Michael Hwang's phone number?
- The practice phone number listed in the NPPES registry for Michael Hwang is (410) 955-5000.
- Does Michael Hwang accept Medicare?
- Michael Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hwang's NPI active?
- Yes — Michael Hwang's NPI (1497117444) is active in the NPPES registry as of the last update on 2023-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.