Yvonne Chow, MD
NPI 1649899725 · Family Medicine Physician · San Carlos, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yvonne Chow, MD is a Family Medicine Physician provider in San Carlos, CA (NPI 1649899725).
Provider details
- NPI number
- 1649899725
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A182886 (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
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
190 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 84 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 77 | $154 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $156 |
Typical Medicare-allowed amounts for these services range $109–$156 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 52 | 17 |
| Lisinopril | 35 | 12 |
| Losartan Potassium | 29 | 12 |
| Levothyroxine Sodium | 29 | — |
| Amlodipine Besylate | 29 | — |
| Tamsulosin Hcl | 19 | — |
| Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (1)
- 1450 Treat Blvd Ste 320Walnut Creek, CA 94597-2168Phone: (925) 296-9885Fax: (925) 296-9015
Registry dates
- Enumerated
- 2020-04-09
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Yvonne Chow's NPI number?
- Yvonne Chow's National Provider Identifier (NPI) is 1649899725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yvonne Chow's specialty?
- Yvonne Chow is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yvonne Chow located?
- Yvonne Chow's practice location on file with NPPES is 301 Industrial Rd, San Carlos, CA 94070-2603.
- What is Yvonne Chow's phone number?
- The practice phone number listed in the NPPES registry for Yvonne Chow is (650) 596-4000.
- Does Yvonne Chow accept Medicare?
- Yvonne Chow is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yvonne Chow's NPI active?
- Yes — Yvonne Chow's NPI (1649899725) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.