Dr. Gregory Samuel Yung, DO
- Part D claims, 2024
- 392
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $15
- Medical group
- 1
- Practice address
- 1045 Atlantic Ave, Long Beach, CA 90813
- Practice phone
- Call (562) 491-9045
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Family Clinic of Long Beach
Long Beach, California
Find Dr. Yung's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Samuel Yung is an internist in Long Beach, California
Dr. Yung practices at Family Clinic of Long Beach in Long Beach, California.
Dr. Yung's NPI, 1568111466, was assigned on March 20, 2022. Dr. Yung graduated from Arizona College of Osteopathic Medicine - Glendale in 2022. Dr. Yung's California license number on file is 20A22130.
- NPI
- 1568111466NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547790370
- NPI enumeration date
- March 20, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (562) 491-9045
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Samuel Yung practices at Family Clinic of Long Beach in Long Beach, California
Dr. Yung's primary practice is Family Clinic of Long Beach, at 1045 Atlantic Ave, Long Beach, CA 90813 in Los Angeles County. The practice phone is (562) 491-9045.
- Family Clinic of Long Beach1045 Atlantic Ave, Long Beach, CA 90813 · Los Angeles CountyPhone(562) 491-9045
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gregory Samuel Yung is affiliated with 3 sites of care and 1 medical group
Dr. Yung's primary practice is Family Clinic of Long Beach in Long Beach, California. Dr. Yung is also affiliated with Dignity Health - St. Mary Medical Center. The medical group on file is San Francisco International Airport (SFO) Medical Clinic. Dmand AI also links Dr. Yung to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Samuel Yung's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yung practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Family Clinic of Long Beach | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Samuel Yung is one of 16,751 internists in California
Internal medicine is Dr. Yung's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yung has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Yung
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Samuel Yung's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Yung's median patient age at 66, with 47% women.
Dr. Yung's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Gregory Samuel Yung wrote 392 Medicare Part D claims in 2024
In 2024, Dr. Yung wrote 392 Medicare Part D claims for 64 patients. 85% of them were for generic drugs. CMS names the drug for 162 of them, across 9 drugs with 11 or more claims each, at $1,369 in total drug cost. In 2023, CMS named 59 claims across 4 drugs.
Dr. Yung's Part D claims by kind of drug, 2024
- Generic333 claims85%
- Brand-name and other59 claims15%
Dr. Yung's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Yung's Part D claims, 2024
- Antibiotics4%16 of 392 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 592024: 162175%
Drugs named by CMS: 9 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Gregory Samuel Yung takes part in Medicare
Dr. Yung accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Samuel Yung has 1 publication on record
Dmand AI links 1 paper to Dr. Yung in 2020. Dr. Yung's most frequent co-authors are Daniela Annenelie Bota, MD and Steven Daniel Chang, MD.
Dr. Yung's most frequent co-authors
Recent publications by Dr. Yung
See who Dr. Yung researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yung works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory Samuel Yung received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Yung from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $15.
Companies that paid Dr. Yung the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Samuel Yung graduated from Arizona College of Osteopathic Medicine - Glendale
Dr. Yung graduated from Arizona College of Osteopathic Medicine - Glendale in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Samuel Yung's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Samuel Yung
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Samuel Yung's NPI number?
Dr. Gregory Samuel Yung's NPI number is 1568111466. It was assigned on March 20, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Samuel Yung?
Dr. Gregory Samuel Yung is an internist in Long Beach, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory Samuel Yung practice?
Dr. Yung practices at 1045 Atlantic Ave, Long Beach, CA 90813. Dr. Yung's primary practice is Family Clinic of Long Beach in Long Beach, California. Dmand AI also links Dr. Yung to 1 group practice or clinic.
What is Dr. Gregory Samuel Yung's office phone number?
The practice phone on file for Dr. Yung is (562) 491-9045.
What is Dr. Gregory Samuel Yung's medical license number?
Dr. Yung's California license number on file is 20A22130.
Which hospitals is Dr. Gregory Samuel Yung affiliated with?
Dr. Yung is affiliated with Dignity Health - St. Mary Medical Center.
What medical group is Dr. Gregory Samuel Yung part of?
Dr. Yung is linked to San Francisco International Airport (SFO) Medical Clinic.
Does Dr. Gregory Samuel Yung accept Medicare?
Yes. CMS lists Dr. Yung as accepting Medicare assignment.
Where did Dr. Gregory Samuel Yung go to medical school?
Dr. Yung graduated from Arizona College of Osteopathic Medicine - Glendale in 2022.
What drugs does Dr. Gregory Samuel Yung prescribe most?
In 2024 Medicare Part D data, Dr. Yung's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
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Has Dr. Gregory Samuel Yung received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Yung from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Dr. Gregory Samuel Yung been practicing?
Dr. Yung graduated from medical school in 2022, 4 years ago.
Does Dr. Gregory Samuel Yung do research?
Dmand AI links 1 publication to Dr. Yung.
Who does Dr. Gregory Samuel Yung publish with?
Dr. Yung's most frequent co-authors are Daniela Annenelie Bota, MD (1 shared paper) and Steven Daniel Chang, MD (1 shared paper).
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