Dr. Derek Bryan Chinn, DO

  • Los Angeles, CA
  • Internist
NPI1932697174PAC ID1153725635
Medicare services, 2022
77
Part D claims, 2024
102
Publications
2
Hospital affiliations
1
Medical group
1
Practice address
2051 Marengo St, Los Angeles, CA 90033
Practice phone
Call (323) 409-2800
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Los Angeles General Medical Center

Los Angeles, California

See all 4 affiliations

Find Dr. Chinn'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.

View contacts for free

Dr. Derek Bryan Chinn is an internist in Los Angeles, California

Dr. Chinn practices at Los Angeles General Medical Center in Los Angeles, California.

Dr. Chinn's NPI, 1932697174, was assigned on April 24, 2018. Dr. Chinn graduated from Arizona College of Osteopathic Medicine - Glendale in 2018. Dr. Chinn holds California license 20A17846.

NPI and contact details
Medicare PAC ID
1153725635
NPI enumeration date
April 24, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(323) 409-2800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Derek Bryan Chinn practices at Los Angeles General Medical Center in Los Angeles, California

Dr. Chinn's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 409-2800.

  • Los Angeles General Medical Center
    2051 Marengo St, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 409-2800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Derek Bryan Chinn is affiliated with 3 sites of care and 1 medical group

Dr. Chinn's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dr. Chinn is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Chinn to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Chinn

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Derek Bryan Chinn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chinn practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Los Angeles General Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Chinn practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Derek Bryan Chinn is one of 16,751 internists in California

Internal medicine is Dr. Chinn's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chinn is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chinn is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A17846 · taxonomy 207R00000X

Internists near Dr. Chinn

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. Derek Bryan Chinn billed Medicare for 77 services in 2022

CMS data shows 77 Medicare services from Dr. Chinn across 2 procedure codes in 2022. Medicare paid $3,910 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202277
Paid by Medicare$3,910
Procedure codes2

Dr. Chinn's Medicare services by type, 2021 to 2022

  • 2021
  • 2022
Imaging
2021: 02022: 40
Office and hospital visits
2021: 272022: 3737%

Dr. Chinn compared with the California median for internists, 2022

  • Dr. Chinn
  • California median
Medicare services
77vs 36179% below
Part D claims
37vs 42191% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Chinn's most billed Medicare procedure codes, 2022

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chinn

Need commercial claims for Dr. Chinn?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chinn and other internists in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Derek Bryan Chinn's patients have a median age of 59

Across all payers, Dmand AI patient panel data puts Dr. Chinn's median patient age at 59, with 41% women.

Dr. Chinn's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women41%
  • Men58%

Source: Dmand AI Patient Panel Data

Dr. Derek Bryan Chinn wrote 102 Medicare Part D claims in 2024

In 2024, Dr. Chinn wrote 102 Medicare Part D claims for 21 patients. 58% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $1,188 in total drug cost.

Part D claims, 2024102
Drugs named by CMS2
Total drug cost$1,188
Part D patients21

Dr. Chinn's Part D claims by kind of drug, 2024

  • Generic59 claims58%
  • Brand-name43 claims42%

Dr. Chinn'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.

See all prescribing by Dr. Chinn

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. Derek Bryan Chinn takes part in Medicare

Dr. Chinn 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)

For MedTech and pharma teams

Find internists like Dr. Chinn by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Derek Bryan Chinn has 2 publications on record

Dmand AI links 2 papers to Dr. Chinn in 2015.

Papers2

Recent publications by Dr. Chinn

See all 2 publications and co-authors

See who Dr. Chinn researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chinn works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Derek Bryan Chinn graduated from Arizona College of Osteopathic Medicine - Glendale

Dr. Chinn graduated from Arizona College of Osteopathic Medicine - Glendale in 2018. Dr. Chinn is a member of ACCP, ACP, ASCO, ATS and Sigma Sigma Phi Honors Society.

  1. Medical schoolArizona College of Osteopathic Medicine - Glendale
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in pulmonary diseaseAmerican Board of Internal Medicine
  4. Board certified in 2019 - 2027CA State License

Source: Dmand AI Professional Profile Data

Sources for Dr. Derek Bryan Chinn's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Derek Bryan Chinn

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. Derek Bryan Chinn's NPI number?

Dr. Derek Bryan Chinn's NPI number is 1932697174. It was assigned on April 24, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Derek Bryan Chinn?

Dr. Derek Bryan Chinn is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Derek Bryan Chinn practice?

Dr. Chinn practices at 2051 Marengo St, Los Angeles, CA 90033. Dr. Chinn's primary practice is Los Angeles General Medical Center in Los Angeles, California. Dmand AI also links Dr. Chinn to 1 group practice or clinic.

What is Dr. Derek Bryan Chinn's office phone number?

The practice phone on file for Dr. Chinn is (323) 409-2800.

What is Dr. Derek Bryan Chinn's medical license number?

Dr. Chinn holds California license 20A17846.

Which hospitals is Dr. Derek Bryan Chinn affiliated with?

Dr. Chinn is affiliated with Hillcrest Medical Center.

What medical group is Dr. Derek Bryan Chinn part of?

Dr. Chinn is linked to UC San Diego Health.

Does Dr. Derek Bryan Chinn accept Medicare?

Yes. CMS data shows Dr. Chinn billed Medicare for 77 services in 2022, and Dr. Chinn accepts Medicare assignment.

Is Dr. Derek Bryan Chinn board certified?

Yes. Dr. Chinn is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Derek Bryan Chinn bill to Medicare?

In 2022, Dr. Chinn's most billed Medicare services were ultrasound (76705) and hospital inpatient care (99233).

Show 4 more questionsShow fewer questions

Where did Dr. Derek Bryan Chinn go to medical school?

Dr. Chinn graduated from Arizona College of Osteopathic Medicine - Glendale in 2018.

What drugs does Dr. Derek Bryan Chinn prescribe most?

In 2024 Medicare Part D data, Dr. Chinn's most prescribed drugs by claims were Albuterol Sulfate Hfa and Montelukast Sodium.

How long has Dr. Derek Bryan Chinn been practicing?

Dr. Chinn graduated from medical school in 2018, 8 years ago.

Does Dr. Derek Bryan Chinn do research?

Dmand AI links 2 publications to Dr. Chinn.

Selling to internal medicine practices?

See internists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)