Dr. Otto Orlean Yang, MD

  • Los Angeles, CA
  • Infectious disease specialist
NPI1780604298PAC ID9234147208
Medicare services, 2024
144
Medicare patients, 2024
91
Part D claims, 2024
82
Publications
64
Clinical trials
7
Practice address
757 Westwood Plaza, Los Angeles, CA 90095
Practice phone
Call (310) 825-6301
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Ronald Reagan UCLA Medical Center

Hospital · Los Angeles, California

See all 4 affiliations

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Dr. Otto Orlean Yang is an infectious disease specialist in Los Angeles, California

Dr. Yang practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.

Dr. Yang's NPI, 1780604298, was assigned on July 20, 2006. Dr. Yang graduated from The Warren Alpert Medical School of Brown University in 1990. Dr. Yang holds California license G85572.

NPI and contact details
Medicare PAC ID
9234147208
NPI enumeration date
July 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 825-6301
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
62
Medical school graduation
1990

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

Dr. Otto Orlean Yang practices at Ronald Reagan UCLA Medical Center in Los Angeles, California

Dr. Yang's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.

Source: Dmand AI Affiliation Data

Dr. Otto Orlean Yang is affiliated with 3 sites of care and 1 medical group

Dr. Yang's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dr. Yang is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Medical Group. Dmand AI also links Dr. Yang to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Yang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Otto Orlean Yang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ronald Reagan UCLA Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Otto Orlean Yang is one of 1,054 infectious disease specialists in California

Infectious disease is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Yang is licensed in California.

Specialties and state licenses

  • Infectious disease, CaliforniaPrimaryLicense G85572 · 2000 to 2026 · taxonomy 207RI0200X

Infectious disease specialists near Dr. Yang

Counts of infectious disease specialists 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. Otto Orlean Yang billed Medicare for 144 services in 2024

CMS data shows 144 Medicare services from Dr. Yang across 5 procedure codes in 2024, for 91 Medicare patients. Medicare paid $14,168 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024144
Medicare patients91
Paid by Medicare$14,168
Procedure codes5

Dr. Yang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 602024: 133122%
Other services
2023: 02024: 11

Dr. Yang compared with the California median for infectious disease specialists, 2024

  • Dr. Yang
  • California median
Medicare services
144vs 42966% below
Medicare patients
91vs 18049% below
Part D claims
27vs 11977% below

Medians across 930 infectious disease specialists in California with Dmand AI profiles that report each measure.

Dr. Yang's most billed Medicare procedure codes, 2024

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. Yang

Need commercial claims for Dr. Yang?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other infectious disease specialists in California.

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

Dr. Otto Orlean Yang treated 91 Medicare patients in 2024, average age 71

CMS counts 91 Medicare patients who saw Dr. Yang in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 4.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 60, with 51% women.

Medicare patients, 202491
Average age71
Average risk score4.14
Also on Medicaid38%

Dr. Yang's Medicare patients by age, 2024

Dr. Yang's Medicare patients by sex, 2024

  • Women4954%
  • Men4246%

Chronic conditions among Dr. Yang's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Anxiety66%
  4. Arthritis64%
  5. Mood disorders54%
  6. Diabetes52%
  7. Chronic kidney disease51%
  8. Depression51%

Share of Medicare patients with each condition. A patient can have several.

Dr. Yang's patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women51%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Otto Orlean Yang wrote 82 Medicare Part D claims in 2024

In 2024, Dr. Yang wrote 82 Medicare Part D claims for 27 patients. 51% of them were for generic drugs. CMS names the drug for 27 of them, across 1 drug with 11 or more claims each, at $3,033 in total drug cost. In 2023, CMS named 43 claims across 2 drugs.

Part D claims, 202482
Drugs named by CMS1
Total drug cost$3,033
Part D patients27

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

  • Generic42 claims51%
  • Brand-name40 claims49%

Dr. Yang'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. Yang's Part D claims, 2024

  • Antibiotics63%52 of 82 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: 432024: 2737%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Yang

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

Dr. Otto Orlean Yang scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Yang for performance year 2024, reported as part of a group. Dr. Yang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yang as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Yang's MIPS scores, performance year 2024

  • 88of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Otto Orlean Yang has 64 publications on record

Dmand AI links 64 papers to Dr. Yang, published from 2001 to 2024. 2014 was the busiest year, with 7. The most frequent topics are SARS-CoV-2, Antibodies, Viral and COVID-19. Dr. Yang has published most often in J Infect Dis. Dr. Yang's most frequent co-authors are Theodoros Kelesidis, MD, Judith Silverstein Currier, MD and Jennifer A. Fulcher, MD, PhD.

Papers64
Years published2001 to 2024

Dr. Yang's papers by year, 2014 to 2024

Topics Dr. Yang writes about most

  • SARS-CoV-2
  • Antibodies, Viral
  • COVID-19
  • Antibodies, Neutralizing
  • CD8-Positive T-Lymphocytes
  • COVID-19 Drug Treatment
  • Double-Blind Method

Dr. Yang's most frequent co-authors

Recent publications by Dr. Yang

See all 64 publications and co-authors

See who Dr. Yang researches with

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

How network discovery works

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

Dr. Otto Orlean Yang has worked on 7 clinical trials

Dmand AI links Dr. Yang to 7 clinical trials, 4 of them phase 2 studies. Conditions studied include COVID-19 and Pneumonia, Viral. CytoDyn, Inc. sponsors the most, 3.

Clinical trials with Dr. Yang by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 4Phase 2: 4 trials
  4. 1Phase 3: 1 trial
  5. NonePhase 4: no trials

Conditions in Dr. Yang's trials

  • COVID-19
  • Pneumonia, Viral

Investigators on the most trials with Dr. Yang

Recent clinical trials with Dr. Yang

See all 7 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Otto Orlean Yang received $605,130 in industry payments from 2016 to 2025

CMS Open Payments shows 74 general payments to Dr. Yang from 3 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 45% of the total. Applied Medical Corporation paid the most, $516,615.

General payments to Dr. Yang by program year, 2016 to 2025

General payments to Dr. Yang by kind, 2016 to 2025

$605.1Kin total
  • Speaker and faculty fees$273,61545%
  • Consulting fees$167,50128%
  • Ownership or investment$159,77426%
  • Travel and lodging$2,5050%
  • Other$1,7350%

Companies that paid Dr. Yang the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Yang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Otto Orlean Yang has 1 award and honors on record

Dmand AI lists 1 award for Dr. Yang, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Yang

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Otto Orlean Yang graduated from The Warren Alpert Medical School of Brown University

Dr. Yang graduated from The Warren Alpert Medical School of Brown University in 1990.

  1. Medical schoolThe Warren Alpert Medical School of Brown University

Source: Dmand AI Professional Profile Data

Dr. Otto Orlean Yang accepts plans from 14 insurance carriers

Dr. Yang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +6 more carriersWith a free account

Plan types Dr. Yang accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Otto Orlean Yang'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Otto Orlean Yang

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. Otto Orlean Yang's NPI number?

Dr. Otto Orlean Yang's NPI number is 1780604298. It was assigned on July 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Otto Orlean Yang?

Dr. Otto Orlean Yang is an infectious disease specialist in Los Angeles, California. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Otto Orlean Yang practice?

Dr. Yang practices at 757 Westwood Plaza, Los Angeles, CA 90095. Dr. Yang's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links Dr. Yang to 1 group practice or clinic.

What is Dr. Otto Orlean Yang's office phone number?

The practice phone on file for Dr. Yang is (310) 825-6301.

What is Dr. Otto Orlean Yang's medical license number?

Dr. Yang holds California license G85572.

Which hospitals is Dr. Otto Orlean Yang affiliated with?

Dr. Yang practices at Ronald Reagan UCLA Medical Center in Los Angeles, California. Dr. Yang is also affiliated with UCLA Santa Monica Medical Center.

What medical group is Dr. Otto Orlean Yang part of?

Dr. Yang is linked to UCLA Medical Group.

Does Dr. Otto Orlean Yang accept Medicare?

Yes. CMS data shows Dr. Yang billed Medicare for 144 services in 2024, and Dr. Yang accepts Medicare assignment.

Does Dr. Otto Orlean Yang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Yang as offering telehealth services.

What is Dr. Otto Orlean Yang's MIPS score?

Dr. Yang's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Otto Orlean Yang see?

CMS counts 91 Medicare patients who saw Dr. Yang in 2024, with an average age of 71.

What services does Dr. Otto Orlean Yang bill to Medicare?

In 2024, Dr. Yang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and office visit, new patient (99205).

Where did Dr. Otto Orlean Yang go to medical school?

Dr. Yang graduated from The Warren Alpert Medical School of Brown University in 1990.

What drugs does Dr. Otto Orlean Yang prescribe most?

In 2024 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Vancomycin HCl.

Has Dr. Otto Orlean Yang received payments from drug or device companies?

CMS Open Payments shows $605,130 in general payments to Dr. Yang from 3 companies from 2016 to 2025. The largest total came from Applied Medical Corporation.

How long has Dr. Otto Orlean Yang been practicing?

Dr. Yang graduated from medical school in 1990, 36 years ago.

Does Dr. Otto Orlean Yang do research?

Dmand AI links 64 publications to Dr. Yang, published from 2001 to 2024. Dr. Yang has worked on 7 clinical trials.

Who does Dr. Otto Orlean Yang publish with?

Dr. Yang's most frequent co-authors are Theodoros Kelesidis, MD (9 shared papers), Judith Silverstein Currier, MD (5 shared papers) and Jennifer A. Fulcher, MD, PhD (5 shared papers).

What insurance does Dr. Otto Orlean Yang accept?

Dr. Yang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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