Zehui Tan, M.D.
NPI 1134230725 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zehui Tan, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1134230725).
Provider details
- NPI number
- 1134230725
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A84029 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
195 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 | 108 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 68 | $98 |
| Administration of Influenza Virus VaccineG0008 | 19 | $35 |
Typical Medicare-allowed amounts for these services range $35–$137 (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 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 392 | 124 |
| Amlodipine Besylate | 286 | 86 |
| Rosuvastatin Calcium | 171 | 60 |
| Losartan Potassium | 167 | 52 |
| Levothyroxine Sodium | 148 | 46 |
| Metoprolol Succinate | 88 | 24 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$97 across 1 record (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 (1)
- 16950 Via TazonSan Diego, CA 92127-1607Phone: (858) 499-2600Fax: (858) 521-2324
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2019-09-18
Frequently asked questions
- What is Zehui Tan's NPI number?
- Zehui Tan's National Provider Identifier (NPI) is 1134230725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zehui Tan's specialty?
- Zehui Tan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zehui Tan located?
- Zehui Tan's practice location on file with NPPES is 16899 W Bernardo Dr, San Diego, CA 92127.
- What is Zehui Tan's phone number?
- The practice phone number listed in the NPPES registry for Zehui Tan is (858) 499-2705.
- Does Zehui Tan accept Medicare?
- Zehui Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zehui Tan's NPI active?
- Yes — Zehui Tan's NPI (1134230725) is active in the NPPES registry as of the last update on 2019-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.