Dr. Sarah Michelle O'Leary, MD
- Medicare services, 2024
- 1,244
- Medicare patients, 2024
- 146
- Part D claims, 2024
- 4,061
- Industry payments
- $768
- Affiliated sites
- 1
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Dr. O'Leary's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sarah Michelle O'Leary is an internist in Campbell, California
Dr. O'Leary practices at Signify Health in Campbell, California.
Dr. O'Leary's NPI, 1689932527, was assigned on April 29, 2012. Dr. O'Leary graduated from Ohio State College of Medicine in 2012. Dr. O'Leary holds Kentucky license 49432.
- NPI
- 1689932527NPI Registry (opens in a new tab)
- NPI enumeration date
- April 29, 2012
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Sarah Michelle O'Leary practices at Signify Health in Campbell, California
Dr. O'Leary's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sarah Michelle O'Leary is affiliated with 2 sites of care and 1 medical group
Dr. O'Leary's primary practice is Signify Health in Campbell, California. The medical group on file is Signify Health. Dmand AI also links Dr. O'Leary to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sarah Michelle O'Leary's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Leary practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sarah Michelle O'Leary is one of 16,751 internists in California
Internal medicine is Dr. O'Leary's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. O'Leary is board certified in internal medicine by the American Board of Internal Medicine. Dr. O'Leary is licensed in Kentucky.
Specialties and state licenses
- Internal medicine, KentuckyPrimary
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute sinusitis, adjustment disease, aneurysm, arthritis, asthma and atrial fibrillation and flutter among the conditions Dr. O'Leary treats.
Internists near Dr. O'Leary
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. Sarah Michelle O'Leary billed Medicare for 1,244 services in 2024
CMS data shows 1,244 Medicare services from Dr. O'Leary across 24 procedure codes in 2024, for 146 Medicare patients. Medicare paid $30,162 for them. Every service was in an office.
Dr. O'Leary's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5202024: 70636%
- Office and hospital visits
- 2023: 3522024: 24630%
- Other services
- 2023: 1032024: 14642%
- Surgery
- 2023: 952024: 12431%
- Imaging
- 2023: 152024: 2247%
Dr. O'Leary compared with the California median for internists, 2024
- Dr. O'Leary
- California median
- Medicare services
- 1,244vs 3613.4 times
- Medicare patients
- 146vs 151Close to median
- Part D claims
- 3,424vs 4218.1 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. O'Leary'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.
Need commercial claims for Dr. O'Leary?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Leary and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sarah Michelle O'Leary treated 146 Medicare patients in 2024, average age 74
CMS counts 146 Medicare patients who saw Dr. O'Leary in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. O'Leary's median patient age at 63, with 67% women.
Dr. O'Leary's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. O'Leary's Medicare patients by sex, 2024
- Women10169%
- Men4531%
Chronic conditions among Dr. O'Leary's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Depression36%
- Mood disorders36%
- Anxiety32%
- Chronic kidney disease29%
- Ischemic heart disease29%
Share of Medicare patients with each condition. A patient can have several.
Dr. O'Leary's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women67%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sarah Michelle O'Leary wrote 4,061 Medicare Part D claims in 2024
In 2024, Dr. O'Leary wrote 4,061 Medicare Part D claims for 396 patients. 88% of them were for generic drugs. CMS names the drug for 3,424 of them, across 100 drugs with 11 or more claims each, at $239,970 in total drug cost. In 2023, CMS named 3,486 claims across 101 drugs.
Dr. O'Leary's Part D claims by kind of drug, 2024
- Generic3,564 claims88%
- Brand-name475 claims12%
- Other22 claims1%
Dr. O'Leary'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. O'Leary's Part D claims, 2024
- Opioids3%117 of 4,061 claims
- Antibiotics3%105 of 4,061 claims
- Antipsychotics, patients 65 and over1%56 of 4,061 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: 3,4862024: 3,4242%
Drugs named by CMS: 100 in 2024, 101 in 2023.
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
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Dr. Sarah Michelle O'Leary received $768 in industry payments from 2017 to 2024
CMS Open Payments shows 40 general payments to Dr. O'Leary from 14 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $146.
General payments to Dr. O'Leary by program year, 2017 to 2024
Companies that paid Dr. O'Leary the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sarah Michelle O'Leary graduated from Ohio State College of Medicine
Dr. O'Leary graduated from Ohio State College of Medicine in 2012. Dr. O'Leary is a member of AAP, ACP and AMA.
- Medical school
- Board certified in internal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Sarah Michelle O'Leary accepts plans from 9 insurance carriers
Dr. O'Leary is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- Arkansas Blue Cross and Blue Shield
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. O'Leary accepts, by number of carriers
- Medicare7
- PPO7
- HMO2
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Sarah Michelle O'Leary's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Sarah Michelle O'Leary
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. Sarah Michelle O'Leary's NPI number?
Dr. Sarah Michelle O'Leary's NPI number is 1689932527. It was assigned on April 29, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Sarah Michelle O'Leary?
Dr. Sarah Michelle O'Leary is an internist in Campbell, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sarah Michelle O'Leary practice?
Dr. O'Leary practices at 900 E Hamilton Ave, Campbell, CA 95008. Dr. O'Leary's primary practice is Signify Health in Campbell, California. Dmand AI also links Dr. O'Leary to 1 group practice or clinic.
What is Dr. Sarah Michelle O'Leary's office phone number?
The practice phone on file for Dr. O'Leary is (469) 466-7007.
What is Dr. Sarah Michelle O'Leary's medical license number?
Dr. O'Leary holds Kentucky license 49432.
What medical group is Dr. Sarah Michelle O'Leary part of?
Dr. O'Leary is linked to Signify Health.
Does Dr. Sarah Michelle O'Leary accept Medicare?
Yes. CMS data shows Dr. O'Leary billed Medicare for 1,244 services in 2024.
How many Medicare patients does Dr. Sarah Michelle O'Leary see?
CMS counts 146 Medicare patients who saw Dr. O'Leary in 2024, with an average age of 74.
Is Dr. Sarah Michelle O'Leary board certified?
Yes. Dr. O'Leary is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Sarah Michelle O'Leary bill to Medicare?
In 2024, Dr. O'Leary's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and lab and pathology test (85025).
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Where did Dr. Sarah Michelle O'Leary go to medical school?
Dr. O'Leary graduated from Ohio State College of Medicine in 2012.
What drugs does Dr. Sarah Michelle O'Leary prescribe most?
In 2024 Medicare Part D data, Dr. O'Leary's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Sarah Michelle O'Leary received payments from drug or device companies?
CMS Open Payments shows $768 in general payments to Dr. O'Leary from 14 companies from 2017 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Sarah Michelle O'Leary been practicing?
Dr. O'Leary graduated from medical school in 2012, 14 years ago.
What insurance does Dr. Sarah Michelle O'Leary accept?
Dr. O'Leary is in network with 9 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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