Dr. Michael James Henehan, DO
- Medicare services, 2024
- 155
- Medicare patients, 2024
- 100
- Part D claims, 2024
- 519
- Publications
- 8
- Industry payments
- $17
- Practice address
- 555 Knowles Dr, Los Gatos, CA 95032
- Practice phone
- Call (650) 940-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
El Camino Hospital
Los Gatos, California
Find Dr. Henehan's professional email, personal email and mobile number
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Dr. Michael James Henehan is a family medicine physician in Los Gatos, California
Dr. Henehan practices at El Camino Hospital in Los Gatos, California.
Dr. Henehan's NPI, 1053497685, was assigned on October 27, 2006. Dr. Henehan graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1980. Dr. Henehan holds California license 20A4724.
- NPI
- 1053497685NPI Registry (opens in a new tab)
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Practice phone
- (650) 940-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael James Henehan practices at El Camino Hospital in Los Gatos, California
Dr. Henehan's primary practice is El Camino Hospital, at 555 Knowles Dr, Los Gatos, CA 95032 in Santa Clara County. The practice phone is (650) 940-7000.
- El Camino Hospital555 Knowles Dr, Los Gatos, CA 95032 · Santa Clara CountyPhone(650) 940-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael James Henehan is affiliated with 2 sites of care and 1 medical group
Dr. Henehan's primary practice is El Camino Hospital in Los Gatos, California. The medical group on file is Stanford Medicine Partners. Dmand AI also links Dr. Henehan 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. Michael James Henehan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Henehan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Camino Hospital | 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. Michael James Henehan is one of 15,680 family medicine physicians in California
Family medicine is Dr. Henehan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Henehan is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Henehan's licenses on file in 2 states: California and Minnesota.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Minnesota license
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, alcohol use disorders, arthritis, atrial fibrillation and flutter, chest wall injury, chronic diabetes and chronic hypertension among the conditions Dr. Henehan treats.
Family medicine physicians near Dr. Henehan
Counts of family medicine physicians 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. Michael James Henehan billed Medicare for 155 services in 2024
CMS data shows 155 Medicare services from Dr. Henehan across 3 procedure codes in 2024, for 100 Medicare patients. Medicare paid $13,925 for them. Every service was in an office.
Dr. Henehan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2442024: 14142%
- Other services
- 2023: 342024: 1459%
- Imaging
- 2023: 232024: 0100%
- Tests and treatments
- 2023: 142024: 0100%
Dr. Henehan compared with the California median for family medicine physicians, 2024
- Dr. Henehan
- California median
- Medicare services
- 155vs 24637% below
- Medicare patients
- 100vs 11815% below
- Part D claims
- 261vs 83369% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Henehan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Henehan and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael James Henehan treated 100 Medicare patients in 2024, average age 75
CMS counts 100 Medicare patients who saw Dr. Henehan in 2024. The largest group is 65 to 74, with 44 patients. 75% of them have high cholesterol, and 62% have high blood pressure. Their average risk score is 0.81, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Henehan's median patient age at 62, with 57% women.
Dr. Henehan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Henehan's Medicare patients by sex, 2024
- Women5252%
- Men4848%
Chronic conditions among Dr. Henehan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure62%
- Arthritis44%
- Ischemic heart disease22%
- Diabetes20%
- Osteoporosis20%
- Anxiety19%
- Cancer17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Henehan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael James Henehan wrote 519 Medicare Part D claims in 2024
In 2024, Dr. Henehan wrote 519 Medicare Part D claims for 100 patients. 88% of them were for generic drugs. CMS names the drug for 261 of them, across 8 drugs with 11 or more claims each, at $2,027 in total drug cost. In 2023, CMS named 460 claims across 17 drugs.
Dr. Henehan's Part D claims by kind of drug, 2024
- Generic459 claims88%
- Brand-name and other60 claims12%
Dr. Henehan'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: 4602024: 26143%
Drugs named by CMS: 8 in 2024, 17 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. Michael James Henehan has 8 publications on record
Dmand AI links 8 papers to Dr. Henehan, published from 2012 to 2022. 2019 was the busiest year, with 2. The most frequent topics are Oceans and Seas, Seawater and Carbon Cycle. Dr. Henehan's most frequent co-authors are Jeffrey Cheng-Ta Peng, MD and Shuang Yin Zhang, MD.
Dr. Henehan's papers by year, 2012 to 2022
Topics Dr. Henehan writes about most
- Oceans and Seas
- Seawater
- Carbon Cycle
- Foraminifera
- Fossils
Dr. Henehan's most frequent co-authors
Recent publications by Dr. Henehan
Proc Natl Acad Sci U S A
J Emerg Med
See who Dr. Henehan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Henehan works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael James Henehan received $17 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Henehan from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $17.
Companies that paid Dr. Henehan the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael James Henehan graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Henehan graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1980.
- Medical school
- Board certified in family medicine
- Board certified in sports medicine
Source: Dmand AI Professional Profile Data
Dr. Michael James Henehan accepts plans from 3 insurance carriers
Dr. Henehan is in network with 3 carriers, including Aetna, United Healthcare and Blue Cross and Blue Shield of Kansas City. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
Plan types Dr. Henehan accepts, by number of carriers
- EPO2
- HMO2
- POS2
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael James Henehan'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Michael James Henehan
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. Michael James Henehan's NPI number?
Dr. Michael James Henehan's NPI number is 1053497685. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael James Henehan?
Dr. Michael James Henehan is a family medicine physician in Los Gatos, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Michael James Henehan practice?
Dr. Henehan practices at 555 Knowles Dr, Los Gatos, CA 95032. Dr. Henehan's primary practice is El Camino Hospital in Los Gatos, California. Dmand AI also links Dr. Henehan to 1 group practice or clinic.
What is Dr. Michael James Henehan's office phone number?
The practice phone on file for Dr. Henehan is (650) 940-7000.
What is Dr. Michael James Henehan's medical license number?
Dr. Henehan holds California license 20A4724, one of the licenses on file in 2 states.
Which states has Dr. Michael James Henehan been licensed in?
Dmand AI has state licenses on file for Dr. Henehan in California (1981 to 2026) and Minnesota (1981 to 1983).
What medical group is Dr. Michael James Henehan part of?
Dr. Henehan is linked to Stanford Medicine Partners.
Does Dr. Michael James Henehan accept Medicare?
Yes. CMS data shows Dr. Henehan billed Medicare for 155 services in 2024.
How many Medicare patients does Dr. Michael James Henehan see?
CMS counts 100 Medicare patients who saw Dr. Henehan in 2024, with an average age of 75.
Is Dr. Michael James Henehan board certified?
Yes. Dr. Henehan is board certified in family medicine by the American Board of Family Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Michael James Henehan bill to Medicare?
In 2024, Dr. Henehan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Michael James Henehan go to medical school?
Dr. Henehan graduated from Chicago College of Osteopathic Medicine at Midwestern University in 1980.
What drugs does Dr. Michael James Henehan prescribe most?
In 2024 Medicare Part D data, Dr. Henehan's most prescribed drugs by claims were Atorvastatin Calcium, Hydrochlorothiazide and Lisinopril.
Has Dr. Michael James Henehan received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Dr. Henehan from 1 company from 2023 to 2023. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Michael James Henehan been practicing?
Dr. Henehan graduated from medical school in 1980, 46 years ago.
Does Dr. Michael James Henehan do research?
Dmand AI links 8 publications to Dr. Henehan, published from 2012 to 2022.
Who does Dr. Michael James Henehan publish with?
Dr. Henehan's most frequent co-authors are Jeffrey Cheng-Ta Peng, MD (1 shared paper) and Shuang Yin Zhang, MD (1 shared paper).
What insurance does Dr. Michael James Henehan accept?
Dr. Henehan is in network with 3 carriers, including Aetna, United Healthcare and Blue Cross and Blue Shield of Kansas City. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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