Physician Profile
Unclaimed ProfileAbout TAN
Based in Livermore, CA, Lorena H Tan, MD is listed in the NPI registry under family practice. Lorena graduated from University of Southern California Keck School of Medicine in 1995. Lorena is also listed as specializing in family medicine. Medicare claims data shows Lorena provided 2,564 services to 1,479 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (925) 443-9000
- Email not available
Practice Locations
1133 E STANLEY BLVD SUITE 201
Livermore, CA 94550
Procedures Most Often Billed to Medicare
2,564 services · 1,479 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of impacted ear wax by washing | Procedure | 69209 |
39 |
| Removal of impacted ear wax | Procedure | 69210 |
20 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
234 |
| Influenza vaccine, inactivated | Treatment | 90653 |
106 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,551 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
259 |
| Administration of influenza virus vaccine | Billing code | G0008 |
122 |
| Urinalysis, manual test | Lab test | 81002 |
81 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
80 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
43 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Livermore 6
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at University of Southern California Keck School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax by washing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Tan?
Dr. Tan is a family practice in Livermore, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Tan's address?
Dr. Tan is listed at 1133 E STANLEY BLVD SUITE 201, Livermore, CA 94550. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Tan?
The number on file is (925) 443-9000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Tan?
Dr. Tan's National Provider Identifier is 1417957697. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Tan train?
Dr. Tan attended University of Southern California Keck School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Tan have?
Dr. Tan has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Tan perform?
According to Medicare billing data, Dr. Tan performs procedures including removal of impacted ear wax by washing and removal of impacted ear wax; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Tan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.