Sue Chung, MD.
NPI 1033396767 · Rheumatology Physician · Porter Ranch, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sue Chung, MD. is a Rheumatology Physician provider in Porter Ranch, CA (NPI 1033396767).
Provider details
- NPI number
- 1033396767
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD.
- Sex
- Female
- Sole proprietor
- No
- License
- A100200 (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 tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
331 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 124 | $136 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 87 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 76 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $179 |
Typical Medicare-allowed amounts for these services range $9–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 264 | 88 |
| Methotrexate Sodiumbrand: Methotrexate | 159 | 57 |
| Hydroxychloroquine Sulfate | 139 | 48 |
| Gabapentin | 108 | 38 |
| Mycophenolate Mofetil | 70 | 18 |
| Celecoxib | 70 | 24 |
| Adalimumabbrand: Humira(cf) Pen | 60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-24
- Last updated
- 2012-05-17
Frequently asked questions
- What is Sue Chung's NPI number?
- Sue Chung's National Provider Identifier (NPI) is 1033396767, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sue Chung's specialty?
- Sue Chung is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sue Chung located?
- Sue Chung's practice location on file with NPPES is 19950 Rinaldi St, Porter Ranch, CA 91326-4141.
- What is Sue Chung's phone number?
- The practice phone number listed in the NPPES registry for Sue Chung is (818) 403-2420.
- Does Sue Chung accept Medicare?
- Sue Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sue Chung's NPI active?
- Yes — Sue Chung's NPI (1033396767) is active in the NPPES registry as of the last update on 2012-05-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.