John Cho, M.D.
NPI 1609816107 · Family Medicine Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cho, M.D. is a Family Medicine Physician provider in Walnut Creek, CA (NPI 1609816107).
Provider details
- NPI number
- 1609816107
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A68082 (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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
577 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 | 196 | $109 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 101 | $133 |
| Urinalysis, Manual Test81002 | 56 | $3 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 50 | $50 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $154 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 43 | 43 |
| Cephalexin | 37 | 37 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 34 | 34 |
| Doxycycline Hyclate | 32 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 21 | 21 |
| Lidocaine Hclbrand: Lidocaine Hcl Viscous | 16 | 16 |
| Azithromycin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-07
- Last updated
- 2014-04-02
Frequently asked questions
- What is John Cho's NPI number?
- John Cho's National Provider Identifier (NPI) is 1609816107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cho's specialty?
- John Cho is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Cho located?
- John Cho's practice location on file with NPPES is 1450 Treat Blvd, Walnut Creek, CA 94597-2168.
- What is John Cho's phone number?
- The practice phone number listed in the NPPES registry for John Cho is (925) 296-9720.
- Does John Cho accept Medicare?
- John Cho is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cho's NPI active?
- Yes — John Cho's NPI (1609816107) is active in the NPPES registry as of the last update on 2014-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.