Serafin Chua, M.D.
NPI 1407872351 · Rheumatology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Serafin Chua, M.D. is a Rheumatology Physician provider in Chicago, IL (NPI 1407872351).
Provider details
- NPI number
- 1407872351
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 15019 (MS)
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
19 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
296 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 | 231 | $99 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 37 | $58 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $150 |
Typical Medicare-allowed amounts for these services range $58–$150 (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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 443 | 96 |
| Tramadol Hcl | 369 | 93 |
| Hydroxychloroquine Sulfate | 331 | 72 |
| Methotrexate Sodiumbrand: Methotrexate | 300 | 82 |
| Adalimumabbrand: Humira(cf) Pen | 288 | 33 |
| Duloxetine Hcl | 192 | 38 |
| Meloxicam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$149 across 6 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
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2014-02-10
Frequently asked questions
- What is Serafin Chua's NPI number?
- Serafin Chua's National Provider Identifier (NPI) is 1407872351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Serafin Chua's specialty?
- Serafin Chua is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Serafin Chua located?
- Serafin Chua's practice location on file with NPPES is 2653 W Ogden Ave, Chicago, IL 60608-1647.
- What is Serafin Chua's phone number?
- The practice phone number listed in the NPPES registry for Serafin Chua is (773) 257-6730.
- Does Serafin Chua accept Medicare?
- Serafin Chua is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Serafin Chua's NPI active?
- Yes — Serafin Chua's NPI (1407872351) is active in the NPPES registry as of the last update on 2014-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.