Dr. Robert B. Baron, MD, MS

  • San Francisco, CA
  • Internist
NPI1558326603PAC ID1658454582
Medicare services, 2024
462
Medicare patients, 2024
176
Part D claims, 2024
1,792
Publications
59
MIPS score, 2024
85
Practice address
505 Parnassus Ave, Box 0296, San Francisco, CA 94143
Practice phone
Call (415) 353-2733
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCSF Helen Diller Medical Center at Parnassus Heights

Hospital · San Francisco, California

See all 8 affiliations

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Dr. Robert B. Baron is an internist in San Francisco, California

Dr. Baron practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.

Dr. Baron's NPI, 1558326603, was assigned on April 20, 2006. Dr. Baron graduated from UCSF School of Medicine in 1978. Dr. Baron's California license number on file is G41928.

NPI and contact details
Medicare PAC ID
1658454582
NPI enumeration date
April 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 353-2733
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

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

Dr. Robert B. Baron practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California

Dr. Baron's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.

Source: Dmand AI Affiliation Data

Dr. Robert B. Baron is affiliated with 4 sites of care and 4 medical groups

Dr. Baron's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Baron to 3 more group practices and clinics and 3 medical groups, each named with a free account.

See all 8 affiliations for Dr. Baron

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

Dmand AI tracks the EHR system at Dr. Robert B. Baron's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baron practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCSF Helen Diller Medical Center at Parnassus HeightsAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert B. Baron is one of 16,751 internists in California

Internal medicine is Dr. Baron's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Baron is board certified in internal medicine by the American Board of Internal Medicine. Dr. Baron has a license on file in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G41928 · 1980 to 2025 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute mini-stroke (TIA), alzheimer's disease, aneurysm, asthma, atrial fibrillation and flutter, bursitis and chest wall injury among the conditions Dr. Baron treats.

Internists near Dr. Baron

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. Robert B. Baron billed Medicare for 462 services in 2024

CMS data shows 462 Medicare services from Dr. Baron across 4 procedure codes in 2024, for 176 Medicare patients. Medicare paid $25,472 for them. Every service was in an office.

Medicare services, 2024462
Medicare patients176
Paid by Medicare$25,472
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 3612024: 28222%
Other services
2023: 02024: 180

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

  • Dr. Baron
  • California median
Medicare services
462vs 36128% above
Medicare patients
176vs 15117% above
Part D claims
1,277vs 4213.0 times

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

Dr. Baron'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. Baron

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

Dr. Robert B. Baron treated 176 Medicare patients in 2024, average age 75

CMS counts 176 Medicare patients who saw Dr. Baron in 2024. The largest group is 75 to 84, with 70 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 36% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Baron's median patient age at 70, with 39% women.

Medicare patients, 2024176
Average age75
Average risk score1.18
Also on Medicaid36%

Dr. Baron's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Baron's Medicare patients by sex, 2024

  • Women6839%
  • Men10861%

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

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis36%
  4. Diabetes26%
  5. Mood disorders24%
  6. Chronic kidney disease23%
  7. Ischemic heart disease23%
  8. Depression22%

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

Dr. Baron's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women39%
  • Men60%

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

Dr. Robert B. Baron wrote 1,792 Medicare Part D claims in 2024

In 2024, Dr. Baron wrote 1,792 Medicare Part D claims for 184 patients. 84% of them were for generic drugs. CMS names the drug for 1,277 of them, across 42 drugs with 11 or more claims each, at $147,170 in total drug cost. In 2023, CMS named 1,417 claims across 46 drugs.

Part D claims, 20241,792
Drugs named by CMS42
Total drug cost$147,170
Part D patients184

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

  • Generic1,501 claims84%
  • Brand-name273 claims15%
  • Other18 claims1%

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

  • Opioids4%72 of 1,792 claims
  • Antibiotics1%12 of 1,792 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: 1,4172024: 1,27710%

Drugs named by CMS: 42 in 2024, 46 in 2023.

See all prescribing by Dr. Baron

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. Robert B. Baron scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Baron for performance year 2024, reported as part of a group. Dr. Baron accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Baron as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Baron's MIPS scores, performance year 2024

  • 85of 100Final score
  • 81.1of 100Quality
  • 40of 100Improvement Activities
  • 71of 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. Robert B. Baron has 59 publications on record

Dmand AI links 59 papers to Dr. Baron, published from 2008 to 2024. 2014 was the busiest year, with 4. The most frequent topics are Internship and Residency, Education, Medical, Graduate and Quality Improvement. Dr. Baron has published most often in Acad Med. Dr. Baron's most frequent co-authors are Glenn Rosenbluth, MD, Arpana R. Vidyarthi, MD and Adrienne L. Green, MD.

Papers59
Years published2008 to 2024

Dr. Baron's papers by year, 2010 to 2024

Topics Dr. Baron writes about most

  • Internship and Residency
  • Education, Medical, Graduate
  • Quality Improvement
  • Education, Medical, Continuing
  • Curriculum
  • Motivation
  • Internal Medicine
  • Clinical Competence

Dr. Baron's most frequent co-authors

Recent publications by Dr. Baron

See all 59 publications and co-authors

See who Dr. Baron researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baron 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. Robert B. Baron has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Baron, most recently NCQA PCMH in 2016.

Awards and honors for Dr. Baron

  1. 2016
    • NCQA PCMH
  2. 2013
    • CMS Stage 1 EHR
  3. 2000
    • Town & Country Magazine: Top Doctors

Source: Dmand AI Professional Profile Data

Dr. Robert B. Baron graduated from UCSF School of Medicine

Dr. Baron graduated from UCSF School of Medicine in 1978.

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

Source: Dmand AI Professional Profile Data

Dr. Robert B. Baron accepts plans from 10 insurance carriers

Dr. Baron is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Blue Cross and Blue Shield of Kansas City
  • +2 more carriersWith a free account

Plan types Dr. Baron accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. POS4
  4. EPO3
  5. HMO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert B. Baron'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
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. Robert B. Baron

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. Robert B. Baron's NPI number?

Dr. Robert B. Baron's NPI number is 1558326603. It was assigned on April 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert B. Baron?

Dr. Robert B. Baron is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Robert B. Baron practice?

Dr. Baron practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Baron's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. Baron to 3 group practices and clinics and 3 medical groups.

What is Dr. Robert B. Baron's office phone number?

The practice phone on file for Dr. Baron is (415) 353-2733.

What is Dr. Robert B. Baron's medical license number?

Dr. Baron's California license number on file is G41928.

Which hospitals is Dr. Robert B. Baron affiliated with?

Dr. Baron practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.

What medical group is Dr. Robert B. Baron part of?

Dr. Baron is linked to UCSF Pediatrics. Dmand AI links Dr. Baron to 3 more medical groups.

Does Dr. Robert B. Baron accept Medicare?

Yes. CMS data shows Dr. Baron billed Medicare for 462 services in 2024, and Dr. Baron accepts Medicare assignment.

Does Dr. Robert B. Baron offer telehealth?

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

What is Dr. Robert B. Baron's MIPS score?

Dr. Baron's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Robert B. Baron see?

CMS counts 176 Medicare patients who saw Dr. Baron in 2024, with an average age of 75.

Is Dr. Robert B. Baron board certified?

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

What services does Dr. Robert B. Baron bill to Medicare?

In 2024, Dr. Baron's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Robert B. Baron go to medical school?

Dr. Baron graduated from UCSF School of Medicine in 1978.

What drugs does Dr. Robert B. Baron prescribe most?

In 2024 Medicare Part D data, Dr. Baron's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.

How long has Dr. Robert B. Baron been practicing?

Dr. Baron graduated from medical school in 1978, 48 years ago.

Does Dr. Robert B. Baron do research?

Dmand AI links 59 publications to Dr. Baron, published from 2008 to 2024.

Who does Dr. Robert B. Baron publish with?

Dr. Baron's most frequent co-authors are Glenn Rosenbluth, MD (9 shared papers), Arpana R. Vidyarthi, MD (9 shared papers) and Adrienne L. Green, MD (5 shared papers).

What insurance does Dr. Robert B. Baron accept?

Dr. Baron is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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