Gregory Yung, DO
NPI 1568111466 · Internal Medicine Physician · Long Beach, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Yung, DO is a Internal Medicine Physician provider in Long Beach, CA (NPI 1568111466).
Provider details
- NPI number
- 1568111466
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 46 | 20 |
| Amlodipine Besylate | 18 | 12 |
| Lisinopril | 17 | — |
| Omeprazole | 17 | — |
| Furosemide | 15 | — |
| Pantoprazole Sodium | 13 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-20
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Gregory Yung's NPI number?
- Gregory Yung's National Provider Identifier (NPI) is 1568111466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Yung's specialty?
- Gregory Yung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Yung located?
- Gregory Yung's practice location on file with NPPES is 1045 Atlantic Ave Ste 708, Long Beach, CA 90813-3410.
- What is Gregory Yung's phone number?
- The practice phone number listed in the NPPES registry for Gregory Yung is (562) 491-9140.
- Does Gregory Yung accept Medicare?
- Gregory Yung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Yung's NPI active?
- Yes — Gregory Yung's NPI (1568111466) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.