Abraham Hsieh, MD
NPI 1679520076 · Otolaryngology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abraham Hsieh, MD is a Otolaryngology Physician provider in Walnut Creek, CA (NPI 1679520076).
Provider details
- NPI number
- 1679520076
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A44211 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,981 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 465 | $109 |
| Removal of Impacted Ear Wax69210 | 377 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 331 | $153 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 217 | $133 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 194 | $196 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 430 | 186 |
| Ipratropium Bromide | 147 | 50 |
| Fluticasone Propionate | 92 | 42 |
| Methylprednisolone | 44 | 43 |
| Ofloxacin | 35 | 31 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 34 | 32 |
| Montelukast Sodium | 32 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 3 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
Additional practice locations (2)
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-4000
- 1776 Ygnacio Valley RdSte. 210Walnut Creek, CA 94598-3190Phone: (925) 933-8462Fax: (925) 933-4460
Registry dates
- Enumerated
- 2006-05-30
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Abraham Hsieh's NPI number?
- Abraham Hsieh's National Provider Identifier (NPI) is 1679520076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abraham Hsieh's specialty?
- Abraham Hsieh is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Abraham Hsieh located?
- Abraham Hsieh's practice location on file with NPPES is 2623 Shadelands Dr Ste 1, Walnut Creek, CA 94598-2512.
- What is Abraham Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Abraham Hsieh is (925) 933-8462.
- Does Abraham Hsieh accept Medicare?
- Abraham Hsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abraham Hsieh's NPI active?
- Yes — Abraham Hsieh's NPI (1679520076) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.