Hong-Zhuan Tang, MD
NPI 1558413351 · Hospitalist Physician · Richmond, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hong-Zhuan Tang, MD is a Hospitalist Physician provider in Richmond, CA (NPI 1558413351).
Provider details
- NPI number
- 1558413351
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A66170 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
208 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 142 | $87 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 46 | $92 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $145 |
Typical Medicare-allowed amounts for these services range $87–$145 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 26 | 25 |
| Furosemide | 21 | 15 |
| Atorvastatin Calcium | 20 | 12 |
| Doxycycline Monohydrate | 20 | 20 |
| Amlodipine Besylate | 18 | 12 |
| Pantoprazole Sodium | 13 | — |
| Lisinopril | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-18
- Last updated
- 2021-12-06
Frequently asked questions
- What is Hong-Zhuan Tang's NPI number?
- Hong-Zhuan Tang's National Provider Identifier (NPI) is 1558413351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hong-Zhuan Tang's specialty?
- Hong-Zhuan Tang is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Hong-Zhuan Tang located?
- Hong-Zhuan Tang's practice location on file with NPPES is 901 Nevin Ave, Richmond, CA 94801-3143.
- What is Hong-Zhuan Tang's phone number?
- The practice phone number listed in the NPPES registry for Hong-Zhuan Tang is (510) 307-1500.
- Does Hong-Zhuan Tang accept Medicare?
- Hong-Zhuan Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hong-Zhuan Tang's NPI active?
- Yes — Hong-Zhuan Tang's NPI (1558413351) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.