Keith Chu, MD, MPH
NPI 1821223769 · Family Medicine Physician · Staten Island, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Chu, MD, MPH is a Family Medicine Physician provider in Staten Island, NY (NPI 1821223769).
Provider details
- NPI number
- 1821223769
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- 264559 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
31 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $116 |
Typical Medicare-allowed amounts for these services range $116–$116 (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 · 73 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 252 | 73 |
| Amlodipine Besylate | 150 | 45 |
| Fluticasone Propionate | 141 | 48 |
| Metformin Hcl | 126 | 34 |
| Levothyroxine Sodium | 119 | 29 |
| Diclofenac Sodium | 110 | 32 |
| Losartan Potassium | 103 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$23 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
- 2009-05-21
- Last updated
- 2021-08-06
- Certified
- 2021-08-06
Frequently asked questions
- What is Keith Chu's NPI number?
- Keith Chu's National Provider Identifier (NPI) is 1821223769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Chu's specialty?
- Keith Chu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Chu located?
- Keith Chu's practice location on file with NPPES is 2079 Forest Ave, Staten Island, NY 10303-1865.
- What is Keith Chu's phone number?
- The practice phone number listed in the NPPES registry for Keith Chu is (718) 815-6560.
- Does Keith Chu accept Medicare?
- Keith Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Chu's NPI active?
- Yes — Keith Chu's NPI (1821223769) is active in the NPPES registry as of the last update on 2021-08-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.