Dr. Bernice Ruo, MD

  • San Diego, CA
  • Internist
NPI1093748881PAC ID4284696352
Medicare services, 2024
596
Medicare patients, 2024
191
Part D claims, 2024
1,633
Publications
35
Hospital affiliations
1
Practice address
200 W Arbor Dr, San Diego, CA 92103
Practice phone
Call (619) 543-6222
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSD Hillcrest Medical Center

San Diego, California

See all 4 affiliations

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Dr. Bernice Ruo is an internist in San Diego, California

Dr. Ruo practices at UCSD Hillcrest Medical Center in San Diego, California.

Dr. Ruo's NPI, 1093748881, was assigned on July 8, 2006. Dr. Ruo graduated from Yale School of Medicine in 1998. Dr. Ruo holds California license A75047.

NPI and contact details
Medicare PAC ID
4284696352
NPI enumeration date
July 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(619) 543-6222
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
54
Medical school graduation
1998

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

Dr. Bernice Ruo practices at UCSD Hillcrest Medical Center in San Diego, California

Dr. Ruo's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.

  • UCSD Hillcrest Medical Center
    200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222

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

Dr. Bernice Ruo is affiliated with 3 sites of care and 1 medical group

Dr. Ruo's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Ruo is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Ruo to 1 more home health agency, named with a free account.

See all 4 affiliations for Dr. Ruo

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

Dmand AI tracks the EHR system at Dr. Bernice Ruo's practice

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

EHR by site
SiteEHR vendor and product
UCSD Hillcrest 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. Bernice Ruo is one of 16,751 internists in California

Internal medicine is Dr. Ruo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ruo is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ruo's licenses on file in 2 states: California and Illinois.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A75047 · 2016 to 2026 · taxonomy 207R00000X
  • Illinois license2004 to 2017

Clinical focus

Dmand AI lists acute skin infection, aneurysm, arthritis, asthma, atrial fibrillation and flutter, carpal tunnel syndrome, chronic anemia and chronic diabetes among the conditions Dr. Ruo treats.

Internists near Dr. Ruo

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. Bernice Ruo billed Medicare for 596 services in 2024

CMS data shows 596 Medicare services from Dr. Ruo across 9 procedure codes in 2024, for 191 Medicare patients. Medicare paid $25,855 for them. Every service was in an office.

Medicare services, 2024596
Medicare patients191
Paid by Medicare$25,855
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 3412024: 26821%
Other services
2023: 1012024: 265162%
Tests and treatments
2023: 292024: 63117%

Dr. Ruo compared with the California median for internists, 2024

  • Dr. Ruo
  • California median
Medicare services
596vs 36165% above
Medicare patients
191vs 15126% above
Part D claims
1,250vs 4213.0 times

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

Dr. Ruo'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. Ruo

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

Dr. Bernice Ruo treated 191 Medicare patients in 2024, average age 75

CMS counts 191 Medicare patients who saw Dr. Ruo in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ruo's median patient age at 56, with 62% women.

Medicare patients, 2024191
Average age75
Average risk score1.41
Also on Medicaid13%

Dr. Ruo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Ruo's Medicare patients by sex, 2024

  • Women12465%
  • Men6735%

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

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis47%
  4. Osteoporosis30%
  5. Mood disorders28%
  6. Depression25%
  7. Anxiety24%
  8. Chronic kidney disease23%

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

Dr. Ruo's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women62%
  • Men37%

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

Dr. Bernice Ruo wrote 1,633 Medicare Part D claims in 2024

In 2024, Dr. Ruo wrote 1,633 Medicare Part D claims for 175 patients. 91% of them were for generic drugs. CMS names the drug for 1,250 of them, across 37 drugs with 11 or more claims each, at $76,398 in total drug cost. In 2023, CMS named 1,438 claims across 43 drugs.

Part D claims, 20241,633
Drugs named by CMS37
Total drug cost$76,398
Part D patients175

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

  • Generic1,488 claims91%
  • Brand-name and other145 claims9%

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

  • Opioids1%12 of 1,633 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: 1,4382024: 1,25013%

Drugs named by CMS: 37 in 2024, 43 in 2023.

See all prescribing by Dr. Ruo

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. Bernice Ruo offers telehealth to Medicare patients

Dr. Ruo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ruo as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Bernice Ruo has 35 publications on record

Dmand AI links 35 papers to Dr. Ruo, published from 2007 to 2025. 2024 was the busiest year, with 5. The most frequent topics are Heart Failure, Self Care and Heart-Assist Devices. Dr. Ruo has published most often in J Card Fail. Dr. Ruo's most frequent co-authors are Michael P. Pignone, MD, David Baker, MD and Larry A. Allen, MD.

Papers35
Years published2007 to 2025

Dr. Ruo's papers by year, 2009 to 2025

Topics Dr. Ruo writes about most

  • Heart Failure
  • Self Care
  • Heart-Assist Devices
  • Patient Education as Topic
  • Depression
  • Patient Reported Outcome Measures
  • Socioeconomic Factors
  • Educational Status

Dr. Ruo's most frequent co-authors

Recent publications by Dr. Ruo

See all 35 publications and co-authors

See who Dr. Ruo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ruo 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. Bernice Ruo received $7 in industry payments in 2020

CMS Open Payments shows 1 general payment to Dr. Ruo from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Optos, Inc. paid the most, $7.

Companies that paid Dr. Ruo the most, 2020 to 2020

Share is of all general payments to this clinician.

See all payments to Dr. Ruo

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

Dr. Bernice Ruo has 1 award and honors on record

Dmand AI lists 1 award for Dr. Ruo, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Ruo

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Bernice Ruo graduated from Yale School of Medicine

Dr. Ruo graduated from Yale School of Medicine in 1998.

  1. Medical schoolYale School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Bernice Ruo accepts plans from 16 insurance carriers

Dr. Ruo is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • United Healthcare
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • +8 more carriersWith a free account

Plan types Dr. Ruo accepts, by number of carriers

  1. Medicare11
  2. PPO11
  3. HMO8
  4. EPO5
  5. POS5

Source: Dmand AI Insurance Network Data

Sources for Dr. Bernice Ruo'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 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Bernice Ruo

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. Bernice Ruo's NPI number?

Dr. Bernice Ruo's NPI number is 1093748881. It was assigned on July 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Bernice Ruo?

Dr. Bernice Ruo is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Bernice Ruo practice?

Dr. Ruo practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Ruo's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Ruo to 1 home health agency.

What is Dr. Bernice Ruo's office phone number?

The practice phone on file for Dr. Ruo is (619) 543-6222.

What is Dr. Bernice Ruo's medical license number?

Dr. Ruo holds California license A75047, one of the licenses on file in 2 states.

Which states has Dr. Bernice Ruo been licensed in?

Dmand AI has state licenses on file for Dr. Ruo in California (2016 to 2026) and Illinois (2004 to 2017).

Which hospitals is Dr. Bernice Ruo affiliated with?

Dr. Ruo is affiliated with Hillcrest Medical Center.

What medical group is Dr. Bernice Ruo part of?

Dr. Ruo is linked to UC San Diego Health.

Does Dr. Bernice Ruo accept Medicare?

Yes. CMS data shows Dr. Ruo billed Medicare for 596 services in 2024, and Dr. Ruo accepts Medicare assignment.

Does Dr. Bernice Ruo offer telehealth?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Bernice Ruo see?

CMS counts 191 Medicare patients who saw Dr. Ruo in 2024, with an average age of 75.

Is Dr. Bernice Ruo board certified?

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

What services does Dr. Bernice Ruo bill to Medicare?

In 2024, Dr. Ruo's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).

Where did Dr. Bernice Ruo go to medical school?

Dr. Ruo graduated from Yale School of Medicine in 1998.

What drugs does Dr. Bernice Ruo prescribe most?

In 2024 Medicare Part D data, Dr. Ruo's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.

Has Dr. Bernice Ruo received payments from drug or device companies?

CMS Open Payments shows $7 in general payments to Dr. Ruo from 1 company from 2020 to 2020. The largest total came from Optos, Inc.

How long has Dr. Bernice Ruo been practicing?

Dr. Ruo graduated from medical school in 1998, 28 years ago.

Does Dr. Bernice Ruo do research?

Dmand AI links 35 publications to Dr. Ruo, published from 2007 to 2025.

Who does Dr. Bernice Ruo publish with?

Dr. Ruo's most frequent co-authors are Michael P. Pignone, MD (10 shared papers), David Baker, MD (7 shared papers) and Larry A. Allen, MD (6 shared papers).

What insurance does Dr. Bernice Ruo accept?

Dr. Ruo is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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