Peter Hwang, MD
NPI 1629127428 · Otolaryngology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Hwang, MD is a Otolaryngology Physician provider in Palo Alto, CA (NPI 1629127428).
Provider details
- NPI number
- 1629127428
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G075836 (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
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
760 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) |
|---|---|---|
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 263 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 173 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $110 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 65 | $150 |
| Biopsy Or Removal of Nasal Polyp Or Tissue Using an Endoscope31237 | 55 | $207 |
| Removal of Nasal Sinus Tissue Using an Endoscope31267 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,395 across 7 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
- 2007-01-09
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Peter Hwang's NPI number?
- Peter Hwang's National Provider Identifier (NPI) is 1629127428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Hwang's specialty?
- Peter Hwang is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Hwang located?
- Peter Hwang's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Peter Hwang's phone number?
- The practice phone number listed in the NPPES registry for Peter Hwang is (650) 497-8000.
- Does Peter Hwang accept Medicare?
- Peter Hwang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Hwang's NPI active?
- Yes — Peter Hwang's NPI (1629127428) 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.