Dr. William H. Slattery III, MD

  • Los Angeles, CA
  • Otolaryngologist
NPI1184728750PAC ID9830172527
Medicare services, 2024
2,049
Medicare patients, 2024
447
Part D claims, 2024
158
Publications
10
MIPS score, 2024
79
Practice address
1245 W Wilshire Blvd, Los Angeles, CA 90017
Practice phone
Call (213) 482-2770
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

PIH Health Physicians

Los Angeles, California

See all 8 affiliations

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Dr. William H. Slattery III is an otolaryngologist in Los Angeles, California

Dr. Slattery practices at PIH Health Physicians in Los Angeles, California.

Dr. Slattery's NPI, 1184728750, was assigned on September 12, 2006. Dr. Slattery graduated from University of Missouri School of Medicine in 1988. Dr. Slattery holds California license G075566.

NPI and contact details
Medicare PAC ID
9830172527
NPI enumeration date
September 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(213) 482-2770
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. William H. Slattery III practices at PIH Health Physicians in Los Angeles, California

Dr. Slattery's primary practice is PIH Health Physicians, at 1245 W Wilshire Blvd, Los Angeles, CA 90017 in Los Angeles County. The practice phone is (213) 482-2770.

  • PIH Health Physicians
    1245 W Wilshire Blvd, Los Angeles, CA 90017 · Los Angeles CountyPhone(213) 482-2770

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

Dr. William H. Slattery III is affiliated with 5 sites of care and 3 medical groups

Dr. Slattery's primary practice is PIH Health Physicians in Los Angeles, California. Dr. Slattery is also affiliated with Cedars-Sinai Medical Center. The medical group on file is PIH Health Physicians. Dmand AI also links Dr. Slattery to 1 more hospital, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 8 affiliations for Dr. Slattery

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

Dmand AI tracks the EHR system at Dr. William H. Slattery III's practice

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

EHR by site
SiteEHR vendor and product
PIH Health PhysiciansAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. William H. Slattery III is one of 1,107 otolaryngologists in California

Otolaryngology is Dr. Slattery's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Slattery is board certified in neurotology by the American Board of Otolaryngology - Head and Neck Surgery. Dmand AI has Dr. Slattery's licenses on file in 3 states: California, Hawaii and Florida.

Specialties and state licenses

  • Otolaryngology, CaliforniaPrimaryLicense G075566 · 1992 to 2026 · taxonomy 207Y00000X
  • Hawaii license1998 to 2026
  • Florida license1990 to 2000

Clinical focus

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

Otolaryngologists near Dr. Slattery

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. William H. Slattery III billed Medicare for 2,049 services in 2024

CMS data shows 2,049 Medicare services from Dr. Slattery across 9 procedure codes in 2024, for 447 Medicare patients. Medicare paid $71,513 for them. Every service was in an office.

Medicare services, 20242,049
Medicare patients447
Paid by Medicare$71,513
Procedure codes9

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

  • 2023
  • 2024
Drugs given in the office
2023: 5202024: 93079%
Office and hospital visits
2023: 7012024: 62511%
Tests and treatments
2023: 5202024: 35432%
Surgery
2023: 1972024: 14029%

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

  • Dr. Slattery
  • California median
Medicare services
2,049vs 6663.1 times
Medicare patients
447vs 29651% above
Part D claims
46vs 11861% below

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

Dr. Slattery'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. Slattery

Need commercial claims for Dr. Slattery?

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

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

Dr. William H. Slattery III treated 447 Medicare patients in 2024, average age 74

CMS counts 447 Medicare patients who saw Dr. Slattery in 2024. The largest group is 65 to 74, with 224 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Slattery's median patient age at 60, with 55% women.

Medicare patients, 2024447
Average age74
Average risk score1.09
Also on Medicaid19%

Dr. Slattery's Medicare patients by age, 2024

Dr. Slattery's Medicare patients by sex, 2024

  • Women23553%
  • Men21247%

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

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis51%
  4. Ischemic heart disease35%
  5. Diabetes29%
  6. Osteoporosis26%
  7. Mood disorders23%
  8. Anxiety22%

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

Dr. Slattery'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

  • Women55%
  • Men44%

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

Dr. William H. Slattery III wrote 158 Medicare Part D claims in 2024

In 2024, Dr. Slattery wrote 158 Medicare Part D claims for 81 patients. 82% of them were for generic drugs. CMS names the drug for 46 of them, across 2 drugs with 11 or more claims each, at $2,781 in total drug cost. In 2023, CMS named 323 claims across 12 drugs.

Part D claims, 2024158
Drugs named by CMS2
Total drug cost$2,781
Part D patients81

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

  • Generic129 claims82%
  • Brand-name29 claims18%

Dr. Slattery'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3232024: 4686%

Drugs named by CMS: 2 in 2024, 12 in 2023.

See all prescribing by Dr. Slattery

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. William H. Slattery III scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Slattery for performance year 2024, reported as part of a group. Dr. Slattery accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Slattery as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Slattery's MIPS scores, performance year 2024

  • 79of 100Final score
  • 58.7of 100Quality
  • 40of 100Improvement Activities
  • 75of 100Cost

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

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

For MedTech and pharma teams

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Dr. William H. Slattery III has 10 publications on record

Dmand AI links 10 papers to Dr. Slattery in 2014. Dr. Slattery's most frequent co-authors are Simon I. Angeli, MD, Derald E. Brackmann, MD and John Christopher Goddard, MD.

Papers10

Dr. Slattery's most frequent co-authors

Recent publications by Dr. Slattery

See all 10 publications and co-authors

See who Dr. Slattery researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Slattery 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. William H. Slattery III received $29,047 in industry payments from 2016 to 2025

CMS Open Payments shows 66 general payments to Dr. Slattery from 20 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 58% of the total. Cochlear Ltd paid the most, $18,847.

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

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

$29Kin total
  • Travel and lodging$16,79158%
  • Consulting fees$4,70016%
  • Food and beverage$4,59416%
  • Speaker and faculty fees$2,5009%
  • Other$4362%

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

Share is of all general payments to this clinician.

See all payments to Dr. Slattery

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

Dr. William H. Slattery III has 16 awards and honors on record

Dmand AI lists 16 awards for Dr. Slattery, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Slattery

  1. 2013
    • CMS Stage 1 EHR
    • The Best Doctors in America
  2. 2010
    • Certificate of Honor, Guardian Angel
  3. 2005
    • Distinguished Service Award
  4. 2002
    • Alumni Award
  5. 1998
    • Honor Award
See all 16 awards

Source: Dmand AI Professional Profile Data

Dr. William H. Slattery III graduated from University of Missouri School of Medicine

Dr. Slattery graduated from University of Missouri School of Medicine in 1988.

  1. Medical schoolUniversity of Missouri 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. William H. Slattery III accepts plans from 11 insurance carriers

Dr. Slattery is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • Alliant Health Plans
  • +3 more carriersWith a free account

Plan types Dr. Slattery accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO5
  4. POS3
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. William H. Slattery III'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 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)Doctors and Clinicians Utilization Data (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. William H. Slattery III

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. William H. Slattery III's NPI number?

Dr. William H. Slattery III's NPI number is 1184728750. It was assigned on September 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William H. Slattery III?

Dr. William H. Slattery III is an otolaryngologist in Los Angeles, California. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).

Where does Dr. William H. Slattery III practice?

Dr. Slattery practices at 1245 W Wilshire Blvd, Los Angeles, CA 90017. Dr. Slattery's primary practice is PIH Health Physicians in Los Angeles, California. Dmand AI also links Dr. Slattery to 1 hospital, 2 group practices and clinics and 2 medical groups.

What is Dr. William H. Slattery III's office phone number?

The practice phone on file for Dr. Slattery is (213) 482-2770.

What is Dr. William H. Slattery III's medical license number?

Dr. Slattery holds California license G075566, one of the licenses on file in 3 states.

Which states has Dr. William H. Slattery III been licensed in?

Dmand AI has state licenses on file for Dr. Slattery in California (1992 to 2026), Hawaii (1998 to 2026) and Florida (1990 to 2000).

Which hospitals is Dr. William H. Slattery III affiliated with?

Dr. Slattery is affiliated with Cedars-Sinai Medical Center. Dmand AI links Dr. Slattery to 1 more hospital.

What medical group is Dr. William H. Slattery III part of?

Dr. Slattery is linked to PIH Health Physicians. Dmand AI links Dr. Slattery to 2 more medical groups.

Does Dr. William H. Slattery III accept Medicare?

Yes. CMS data shows Dr. Slattery billed Medicare for 2,049 services in 2024, and Dr. Slattery accepts Medicare assignment.

Does Dr. William H. Slattery III offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. William H. Slattery III's MIPS score?

Dr. Slattery's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. William H. Slattery III see?

CMS counts 447 Medicare patients who saw Dr. Slattery in 2024, with an average age of 74.

Is Dr. William H. Slattery III board certified?

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

What services does Dr. William H. Slattery III bill to Medicare?

In 2024, Dr. Slattery's most billed Medicare services were injected or infused drug (J0585), ear, nose and throat service (92504) and office visit, established patient (99213).

Where did Dr. William H. Slattery III go to medical school?

Dr. Slattery graduated from University of Missouri School of Medicine in 1988.

What drugs does Dr. William H. Slattery III prescribe most?

In 2024 Medicare Part D data, Dr. Slattery's most prescribed drugs by claims were Ciprofloxacin-Dexamethasone and Hydrochlorothiazide.

Has Dr. William H. Slattery III received payments from drug or device companies?

CMS Open Payments shows $29,047 in general payments to Dr. Slattery from 20 companies from 2016 to 2025. The largest total came from Cochlear Ltd.

How long has Dr. William H. Slattery III been practicing?

Dr. Slattery graduated from medical school in 1988, 38 years ago.

Does Dr. William H. Slattery III do research?

Dmand AI links 10 publications to Dr. Slattery.

Who does Dr. William H. Slattery III publish with?

Dr. Slattery's most frequent co-authors are Simon I. Angeli, MD (1 shared paper), Derald E. Brackmann, MD (1 shared paper) and John Christopher Goddard, MD (1 shared paper).

What insurance does Dr. William H. Slattery III accept?

Dr. Slattery is in network with 11 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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