Cynthia Canga-Siao, MD
NPI 1669497558 · Internal Medicine Physician · Draper, UT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Canga-Siao, MD is a Internal Medicine Physician provider in Draper, UT (NPI 1669497558).
Provider details
- NPI number
- 1669497558
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A72274 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,143 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 | 267 | $122 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 250 | $16 |
| Advance Care Planning, First 30 Minutes99497 | 203 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 195 | $124 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 91 | $173 |
| Automated Urinalysis Test |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 358 | 132 |
| Levothyroxine Sodium | 318 | 125 |
| Omeprazole | 170 | 66 |
| Losartan Potassium | 162 | 63 |
| Rosuvastatin Calcium | 137 | 56 |
| Amlodipine Besylate | 132 | 52 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$920 across 44 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
- 2006-07-13
- Last updated
- 2022-02-11
- Certified
- 2020-02-11
Frequently asked questions
- What is Cynthia Canga-Siao's NPI number?
- Cynthia Canga-Siao's National Provider Identifier (NPI) is 1669497558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Canga-Siao's specialty?
- Cynthia Canga-Siao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Canga-Siao located?
- Cynthia Canga-Siao's practice location on file with NPPES is 74 E Kimballs Ln Ste 300, Draper, UT 84020-5009.
- What is Cynthia Canga-Siao's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Canga-Siao is (801) 572-0311.
- Does Cynthia Canga-Siao accept Medicare?
- Cynthia Canga-Siao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Canga-Siao's NPI active?
- Yes — Cynthia Canga-Siao's NPI (1669497558) 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.