Sijie Zheng, M.D.
NPI 1407061823 · Nephrology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sijie Zheng, M.D. is a Nephrology Physician provider in Oakland, CA (NPI 1407061823).
Provider details
- NPI number
- 1407061823
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A104155 (CA)
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
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
103 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 81 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 22 | $144 |
Typical Medicare-allowed amounts for these services range $87–$144 (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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 284 | 110 |
| Empagliflozinbrand: Jardiance | 218 | 84 |
| Amlodipine Besylate | 108 | 45 |
| Finerenonebrand: Kerendia | 96 | 27 |
| Furosemide | 89 | 41 |
| Chlorthalidone | 62 | 23 |
| Sevelamer Carbonate | 61 | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,467 across 7 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
- 2007-05-11
- Last updated
- 2022-02-11
Frequently asked questions
- What is Sijie Zheng's NPI number?
- Sijie Zheng's National Provider Identifier (NPI) is 1407061823, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sijie Zheng's specialty?
- Sijie Zheng is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Sijie Zheng located?
- Sijie Zheng's practice location on file with NPPES is 275 W Macarthur, Oakland, CA 94611-5641.
- What is Sijie Zheng's phone number?
- The practice phone number listed in the NPPES registry for Sijie Zheng is (510) 752-1000.
- Does Sijie Zheng accept Medicare?
- Sijie Zheng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sijie Zheng's NPI active?
- Yes — Sijie Zheng's NPI (1407061823) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.