Dr. Charles J. Limb, MD

  • San Francisco, CA
  • Otolaryngologist
NPI1780629717PAC ID9234260720
Medicare services, 2024
462
Medicare patients, 2024
236
Part D claims, 2024
319
Publications
104
Clinical trials
1
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 10 affiliations

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Dr. Charles J. Limb is an otolaryngologist in San Francisco, California

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

Dr. Limb's NPI, 1780629717, was assigned on June 16, 2006. Dr. Limb graduated from Yale School of Medicine in 1996. Dr. Limb holds California license C136123.

NPI and contact details
Medicare PAC ID
9234260720
NPI enumeration date
June 16, 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
56
Medical school graduation
1996

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

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

Dr. Limb'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. Charles J. Limb is affiliated with 6 sites of care and 4 medical groups

Dr. Limb's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dr. Limb is also affiliated with MarinHealth Medical Center. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Limb to 4 more group practices and clinics and 3 medical groups, each named with a free account.

See all 10 affiliations for Dr. Limb

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

Dmand AI tracks the EHR system at Dr. Charles J. Limb's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Limb practices, 6 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
+5 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Charles J. Limb is one of 1,107 otolaryngologists in California

Otolaryngology is Dr. Limb's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Limb is board certified in neurotology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Limb's licenses on file in 2 states: California and Maryland.

Specialties and state licenses

  • Otolaryngology, CaliforniaPrimaryLicense C136123 · 2015 to 2026 · taxonomy 207Y00000X
  • Maryland licenseLicense D59547 · 2002 to 2026

Clinical focus

Dmand AI lists chronic ear infection, ear eustachian tube disorders, hearing loss and impairment, swimmer's ear, tinnitus and vertigo among the conditions Dr. Limb treats.

Otolaryngologists near Dr. Limb

Counts of otolaryngologists 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. Charles J. Limb billed Medicare for 462 services in 2024

CMS data shows 462 Medicare services from Dr. Limb across 6 procedure codes in 2024, for 236 Medicare patients. Medicare paid $41,509 for them.

Medicare services, 2024462
Medicare patients236
Paid by Medicare$41,509
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 2482024: 2667%
Tests and treatments
2023: 1082024: 13020%
Surgery
2023: 552024: 6620%

Where Dr. Limb's Medicare services took place, 2024

  • In an office32671%
  • In a facility13629%

Dr. Limb compared with the California median for otolaryngologists, 2024

  • Dr. Limb
  • California median
Medicare services
462vs 66631% below
Medicare patients
236vs 29620% below
Part D claims
216vs 11883% above

Medians across 1,045 otolaryngologists in California with Dmand AI profiles that report each measure.

Dr. Limb'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. Limb

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

Dr. Charles J. Limb treated 236 Medicare patients in 2024, average age 73

CMS counts 236 Medicare patients who saw Dr. Limb in 2024. The largest group is 75 to 84, with 101 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Limb's median patient age at 66, with 56% women.

Medicare patients, 2024236
Average age73
Average risk score1.02
Also on Medicaid22%

Dr. Limb's Medicare patients by age, 2024

Dr. Limb's Medicare patients by sex, 2024

  • Women13055%
  • Men10645%

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

  1. High cholesterol75%
  2. High blood pressure61%
  3. Arthritis39%
  4. Anxiety22%
  5. Osteoporosis22%
  6. Diabetes20%
  7. Mood disorders20%
  8. Ischemic heart disease19%

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

Dr. Limb'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

  • Women56%
  • Men41%

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

Dr. Charles J. Limb wrote 319 Medicare Part D claims in 2024

In 2024, Dr. Limb wrote 319 Medicare Part D claims for 90 patients. 88% of them were for generic drugs. CMS names the drug for 216 of them, across 11 drugs with 11 or more claims each, at $38,883 in total drug cost. In 2023, CMS named 180 claims across 9 drugs.

Part D claims, 2024319
Drugs named by CMS11
Total drug cost$38,883
Part D patients90

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

  • Generic282 claims88%
  • Brand-name37 claims12%

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

  • Antibiotics5%17 of 319 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: 1802024: 21620%

Drugs named by CMS: 11 in 2024, 9 in 2023.

See all prescribing by Dr. Limb

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. Charles J. Limb scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Limb for performance year 2024, reported as part of a group. Dr. Limb accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Limb as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Limb's MIPS scores, performance year 2024

  • 92of 100Final score
  • 81.9of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

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. Charles J. Limb has 104 publications on record

Dmand AI links 104 papers to Dr. Limb, published from 2008 to 2025. 2019 was the busiest year, with 6. The most frequent topics are Cochlear Implants, Music and Cochlear Implantation. Dr. Limb has published most often in Otol Neurotol. Dr. Limb's most frequent co-authors are Nicole Jiam, MD, Howard Wayne Francis, MD and John Patrick Carey, MD.

Papers104
Years published2008 to 2025

Dr. Limb's papers by year, 2014 to 2025

Topics Dr. Limb writes about most

  • Cochlear Implants
  • Music
  • Cochlear Implantation
  • Pitch Perception
  • Auditory Perception
  • Acoustic Stimulation
  • Deafness
  • Speech Perception

Dr. Limb's most frequent co-authors

Recent publications by Dr. Limb

See all 104 publications and co-authors

See who Dr. Limb researches with

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

How network discovery works

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

Dr. Charles J. Limb has worked on 1 clinical trial

Dmand AI links Dr. Limb to 1 clinical trial. Conditions studied include Hearing Loss and Hearing Disorders.

Conditions in Dr. Limb's trials

  • Hearing Loss
  • Hearing Disorders

Recent clinical trials with Dr. Limb

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

Dr. Charles J. Limb received $23,137 in industry payments from 2016 to 2025

CMS Open Payments shows 100 general payments to Dr. Limb from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 61% of the total. MED-EL Corporation paid the most, $10,453. It also lists 1 research payment totaling $17,452 in 2016.

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

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

$23.1Kin total
  • Food and beverage$14,08561%
  • Travel and lodging$4,28119%
  • Honoraria$3,08613%
  • Device or supply loans$1,1005%
  • Education$5853%

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

Share is of all general payments to this clinician.

See all payments to Dr. Limb

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

Dr. Charles J. Limb has 1 award and honors on record

Dmand AI lists 1 award for Dr. Limb, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Limb

  1. 2014
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Charles J. Limb graduated from Yale School of Medicine

Dr. Limb graduated from Yale School of Medicine in 1996.

  1. Medical schoolYale School of Medicine
  2. Board certified in neurotologyAmerican Board of Otolaryngology - Head and Neck Surgery
  3. Board certified in otolaryngologyAmerican Board of Otolaryngology - Head and Neck Surgery

Source: Dmand AI Professional Profile Data

Dr. Charles J. Limb accepts plans from 9 insurance carriers

Dr. Limb is in network with 9 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
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Limb accepts, by number of carriers

  1. Medicare8
  2. PPO6
  3. EPO3
  4. HMO3
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Charles J. Limb'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. Charles J. Limb

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. Charles J. Limb's NPI number?

Dr. Charles J. Limb's NPI number is 1780629717. It was assigned on June 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Charles J. Limb?

Dr. Charles J. Limb is an otolaryngologist in San Francisco, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).

Where does Dr. Charles J. Limb practice?

Dr. Limb practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. Limb'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. Limb to 4 group practices and clinics and 3 medical groups.

What is Dr. Charles J. Limb's office phone number?

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

What is Dr. Charles J. Limb's medical license number?

Dr. Limb holds California license C136123, one of the licenses on file in 2 states.

Which states has Dr. Charles J. Limb been licensed in?

Dmand AI has state licenses on file for Dr. Limb in California (2015 to 2026) and Maryland (2002 to 2026).

Which hospitals is Dr. Charles J. Limb affiliated with?

Dr. Limb practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California. Dr. Limb is also affiliated with MarinHealth Medical Center.

What medical group is Dr. Charles J. Limb part of?

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

Does Dr. Charles J. Limb accept Medicare?

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

Does Dr. Charles J. Limb offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Charles J. Limb's MIPS score?

Dr. Limb's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. Charles J. Limb see?

CMS counts 236 Medicare patients who saw Dr. Limb in 2024, with an average age of 73.

Is Dr. Charles J. Limb board certified?

Yes. Dr. Limb is board certified in neurotology by the American Board of Otolaryngology - Head and Neck Surgery.

What services does Dr. Charles J. Limb bill to Medicare?

In 2024, Dr. Limb's most billed Medicare services were ear, nose and throat service (92504), office visit, established patient (99213) and office visit, established patient (99212).

Where did Dr. Charles J. Limb go to medical school?

Dr. Limb graduated from Yale School of Medicine in 1996.

What drugs does Dr. Charles J. Limb prescribe most?

In 2024 Medicare Part D data, Dr. Limb's most prescribed drugs by claims were Triamterene-Hydrochlorothiazid, Nortriptyline HCl and Venlafaxine HCl ER.

Has Dr. Charles J. Limb received payments from drug or device companies?

CMS Open Payments shows $23,137 in general payments to Dr. Limb from 12 companies from 2016 to 2025. The largest total came from MED-EL Corporation.

How long has Dr. Charles J. Limb been practicing?

Dr. Limb graduated from medical school in 1996, 30 years ago.

Does Dr. Charles J. Limb do research?

Dmand AI links 104 publications to Dr. Limb, published from 2008 to 2025. Dr. Limb has worked on 1 clinical trial.

Who does Dr. Charles J. Limb publish with?

Dr. Limb's most frequent co-authors are Nicole Jiam, MD (17 shared papers), Howard Wayne Francis, MD (7 shared papers) and John Patrick Carey, MD (4 shared papers).

What insurance does Dr. Charles J. Limb accept?

Dr. Limb is in network with 9 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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