Andreas Tjoe, M.D.
NPI 1689818940 · Emergency Medicine Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andreas Tjoe, M.D. is a Emergency Medicine Physician provider in Pleasanton, CA (NPI 1689818940).
Provider details
- NPI number
- 1689818940
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A120858 (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
17 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
644 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 211 | $196 |
| Critical Care, First 30-74 Minutes99291 | 185 | $245 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 91 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 88 | $134 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $163 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 22 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 60 | 60 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Ondansetronbrand: Ondansetron Odt | 18 | 17 |
| Prednisone | 18 | 18 |
| Cefadroxil | 15 | 15 |
| Ibuprofen | 12 | 12 |
| Nitrofurantoin Monohyd/M-Cryst |
Practice location
Mailing address
Additional practice locations (1)
- 4900 Tassajara RdApt. 1416Dublin, CA 94568-4586Phone: (415) 235-6166
Registry dates
- Enumerated
- 2009-04-29
- Last updated
- 2018-03-17
Frequently asked questions
- What is Andreas Tjoe's NPI number?
- Andreas Tjoe's National Provider Identifier (NPI) is 1689818940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andreas Tjoe's specialty?
- Andreas Tjoe is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andreas Tjoe located?
- Andreas Tjoe's practice location on file with NPPES is 5555 W Las Positas Blvd, Pleasanton, CA 94588-4000.
- What is Andreas Tjoe's phone number?
- The practice phone number listed in the NPPES registry for Andreas Tjoe is (925) 416-6585.
- Does Andreas Tjoe accept Medicare?
- Andreas Tjoe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andreas Tjoe's NPI active?
- Yes — Andreas Tjoe's NPI (1689818940) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.