Jeffrey Chwa, DO
NPI 1285989236 · Rheumatology Physician · Long Beach, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Chwa, DO is a Rheumatology Physician provider in Long Beach, CA (NPI 1285989236).
Provider details
- NPI number
- 1285989236
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A14736 (CA)
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
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
168 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 | 78 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $99 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 22 | $78 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $117 |
Typical Medicare-allowed amounts for these services range $78–$139 (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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 356 | 97 |
| Prednisone | 160 | 67 |
| Hydroxychloroquine Sulfate | 147 | 46 |
| Folic Acid | 103 | 35 |
| Denosumabbrand: Prolia | 89 | 50 |
| Alendronate Sodium | 72 | 25 |
| Allopurinol | 60 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$359 across 3 records (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
Additional practice locations (2)
- 765 Medical Center Ct Ste 216Chula Vista, CA 91911Phone: (619) 623-3000
- 2650 Ridge AveEvanston, IL 60201-1718Phone: (847) 570-2000
Registry dates
- Enumerated
- 2012-07-16
- Last updated
- 2025-12-08
- Certified
- 2025-12-08
Frequently asked questions
- What is Jeffrey Chwa's NPI number?
- Jeffrey Chwa's National Provider Identifier (NPI) is 1285989236, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Chwa's specialty?
- Jeffrey Chwa is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Chwa located?
- Jeffrey Chwa's practice location on file with NPPES is 2699 Atlantic Ave, Long Beach, CA 90806-2710.
- What is Jeffrey Chwa's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Chwa is (562) 490-3060.
- Does Jeffrey Chwa accept Medicare?
- Jeffrey Chwa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Chwa's NPI active?
- Yes — Jeffrey Chwa's NPI (1285989236) is active in the NPPES registry as of the last update on 2025-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.