Donald Whang, M.D.
NPI 1922325521 · Infectious Disease Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Whang, M.D. is a Infectious Disease Physician provider in Torrance, CA (NPI 1922325521).
Provider details
- NPI number
- 1922325521
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 118780 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 59 | 19 |
| Terazosin Hcl | 36 | 12 |
| Doxycycline Monohydrate | 28 | — |
| Amoxicillin | 26 | — |
| Dolutegravir Sodium/Lamivudinebrand: Dovato | 26 | — |
| Atorvastatin Calcium | 23 | — |
| Fluconazole | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$50 across 2 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
- 2010-04-23
- Last updated
- 2021-12-01
Frequently asked questions
- What is Donald Whang's NPI number?
- Donald Whang's National Provider Identifier (NPI) is 1922325521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Whang's specialty?
- Donald Whang is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Whang located?
- Donald Whang's practice location on file with NPPES is 23430 Hawthorne Blvd Ste 200, Torrance, CA 90505-4730.
- What is Donald Whang's phone number?
- The practice phone number listed in the NPPES registry for Donald Whang is (310) 784-5880.
- Does Donald Whang accept Medicare?
- Donald Whang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Whang's NPI active?
- Yes — Donald Whang's NPI (1922325521) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.