Dr. Siang Lo, DO
What this data tells you about Dr. Lo
Dr. Siang Lo is a family medicine specialist in Pacific Grove, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Lo performed 1,922 Medicare services across 797 unique beneficiaries.
Between the years covered by Open Payments, Dr. Lo received a total of $1,769 from 12 pharmaceutical and/or device companies across 114 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in family medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Lo is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
706 | $98 | $167 |
| Osteopathic manipulative treatment, 5-6 body regions A hands-on therapy where a doctor uses their hands to diagnose, treat, and prevent illness or injury by moving muscles and joints. This specific code covers treatment involving five to six different areas of the body. |
253 | $48 | $109 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
251 | $68 | $110 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
110 | $11 | $37 |
| Home visit, established patient, low complexity A physician visits an existing patient at their residence to provide care involving a low level of medical decision making. The visit lasts at least 30 minutes. |
74 | $53 | $135 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
73 | $33 | $37 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
71 | $72 | $77 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
63 | $1 | $36 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
58 | $3 | $31 |
| Adm sarscv2 bvl 50mcg/.5ml a | 40 | $39 | $40 |
| Transitional care management, high complexity Coordination of care for a patient transitioning from a short-term hospital stay or other facility to home or another care setting. This service addresses a high-complexity medical problem. |
40 | $233 | $350 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
34 | $19 | $58 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
31 | $138 | $175 |
| Osteopathic manipulative treatment, 1-2 body regions A hands-on technique used by osteopathic physicians to diagnose, treat, and prevent illness or injury by moving a patient's muscles and joints. This specific code covers treatment involving one or two distinct areas of the body. |
24 | $23 | $85 |
| Osteopathic manipulative treatment, 3-4 body regions A hands-on therapy where a doctor uses manual techniques to move muscles and joints in three to four areas of the body. |
22 | $33 | $97 |
| SARS-CoV-2 immunoassay test A laboratory test using immunoassay techniques to detect the presence of severe acute respiratory syndrome coronavirus. |
20 | $35 | $40 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
14 | $12 | $79 |
| Transitional care management services, moderate complexity Services provided to coordinate care during the transition from an inpatient or other facility setting back to the community. This includes follow-up and management of a health problem of at least moderate complexity. |
14 | $175 | $275 |
| New patient office visit, complex (60-74 min) | 13 | $122 | $335 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
11 | $97 | $272 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
7.7 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Lo is a clinical cardiology specialist, with above-average Medicare volume (top 11% in CA), with low-engagement industry engagement in the top 19% of CA peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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