Dr. Michelle Yen, MD
- Medicare services, 2024
- 956
- Medicare patients, 2024
- 286
- Part D claims, 2024
- 191
- Hospital affiliations
- 2
- Industry payments
- $378
- Practice address
- 2500 Grant Road, Mountain View, CA 94040
- Practice phone
- Call (650) 940-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yen'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. Michelle Yen is an internist in Mountain View, California
Dr. Yen practices at El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District.
Dr. Yen's NPI, 1669934683, was assigned on April 1, 2019. Dr. Yen graduated from Cleveland Medical College, Homeopathic in 2019. Dr. Yen holds California license A182132.
- NPI
- 1669934683NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517332349
- NPI enumeration date
- April 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 940-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michelle Yen practices at El Camino Health - Mountain View Hospital in Mountain View, California
Dr. Yen's primary practice is El Camino Health - Mountain View Hospital, at 2500 Grant Road, Mountain View, CA 94040 in Santa Clara County. The practice phone is (650) 940-7000.
- El Camino Health - Mountain View Hospital2500 Grant Road, Mountain View, CA 94040 · Santa Clara CountyPhone(650) 940-7000
Source: Dmand AI Affiliation Data
Dr. Michelle Yen is affiliated with 4 sites of care and 2 medical groups
Dr. Yen's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dr. Yen is also affiliated with Dignity Health - Sequoia Hospital. The medical group on file is Quantum Bay Area Hospitalist Medical Group Inc. Dmand AI also links Dr. Yen to 2 more hospital outpatient departments and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michelle Yen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| El Camino Health - Mountain View Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across El Camino Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michelle Yen is one of 16,751 internists in California
Internal medicine is Dr. Yen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Yen is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure, bile duct problems, cardiac arrhythmia, cellulitis, gastrointestinal bleeding, gastrointestinal inflammation, pneumonia and respiratory infection and sepsis among the conditions Dr. Yen treats.
Internists near Dr. Yen
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. Michelle Yen billed Medicare for 956 services in 2024
CMS data shows 956 Medicare services from Dr. Yen across 4 procedure codes in 2024, for 286 Medicare patients. Medicare paid $85,086 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5442024: 95676%
Dr. Yen compared with the California median for internists, 2024
- Dr. Yen
- California median
- Medicare services
- 956vs 3612.6 times
- Medicare patients
- 286vs 15189% above
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Yen'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. Yen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yen and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michelle Yen treated 286 Medicare patients in 2024, average age 79
CMS counts 286 Medicare patients who saw Dr. Yen in 2024. The largest group is 85 and over, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Yen's median patient age at 72, with 47% women.
Dr. Yen's Medicare patients by age, 2024
Dr. Yen's Medicare patients by sex, 2024
- Women13949%
- Men14751%
Chronic conditions among Dr. Yen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes48%
- Ischemic heart disease44%
- Arthritis42%
- Atrial fibrillation41%
- Mood disorders41%
- Chronic kidney disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michelle Yen wrote 191 Medicare Part D claims in 2024
In 2024, Dr. Yen wrote 191 Medicare Part D claims for 81 patients. 79% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $11,662 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Yen's Part D claims by kind of drug, 2024
- Generic151 claims79%
- Brand-name and other40 claims21%
Dr. Yen'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. Yen's Part D claims, 2024
- Antibiotics19%36 of 191 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: 112024: 11No change
Drugs named by CMS: 1 in 2024, 1 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
How Dr. Michelle Yen takes part in Medicare
Dr. Yen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michelle Yen received $378 in industry payments from 2023 to 2024
CMS Open Payments shows 3 general payments to Dr. Yen from 1 drug or device company from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $378.
General payments to Dr. Yen by program year, 2023 to 2024
Companies that paid Dr. Yen the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michelle Yen graduated from Cleveland Medical College, Homeopathic
Dr. Yen graduated from Cleveland Medical College, Homeopathic in 2019.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Michelle Yen accepts plans from 1 insurance carrier
Dr. Yen is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Michelle Yen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Michelle Yen
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. Michelle Yen's NPI number?
Dr. Michelle Yen's NPI number is 1669934683. It was assigned on April 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Michelle Yen?
Dr. Michelle Yen is an internist in Mountain View, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michelle Yen practice?
Dr. Yen practices at 2500 Grant Road, Mountain View, CA 94040. Dr. Yen's primary practice is El Camino Health - Mountain View Hospital in Mountain View, California, part of El Camino Healthcare District. Dmand AI also links Dr. Yen to 2 hospital outpatient departments and 1 medical group.
What is Dr. Michelle Yen's office phone number?
The practice phone on file for Dr. Yen is (650) 940-7000.
What is Dr. Michelle Yen's medical license number?
Dr. Yen holds California license A182132.
Which hospitals is Dr. Michelle Yen affiliated with?
Dr. Yen practices at El Camino Health - Mountain View Hospital in Mountain View, California. Dr. Yen is also affiliated with Dignity Health - Sequoia Hospital.
What medical group is Dr. Michelle Yen part of?
Dr. Yen is linked to Quantum Bay Area Hospitalist Medical Group Inc. Dmand AI links Dr. Yen to 1 more medical group.
Does Dr. Michelle Yen accept Medicare?
Yes. CMS data shows Dr. Yen billed Medicare for 956 services in 2024, and Dr. Yen accepts Medicare assignment.
How many Medicare patients does Dr. Michelle Yen see?
CMS counts 286 Medicare patients who saw Dr. Yen in 2024, with an average age of 79.
Is Dr. Michelle Yen board certified?
Yes. Dr. Yen is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Michelle Yen bill to Medicare?
In 2024, Dr. Yen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Michelle Yen go to medical school?
Dr. Yen graduated from Cleveland Medical College, Homeopathic in 2019.
What drugs does Dr. Michelle Yen prescribe most?
In 2024 Medicare Part D data, Dr. Yen's most prescribed drugs by claims were Eliquis.
Has Dr. Michelle Yen received payments from drug or device companies?
CMS Open Payments shows $378 in general payments to Dr. Yen from 1 company from 2023 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Michelle Yen been practicing?
Dr. Yen graduated from medical school in 2019, 7 years ago.
What insurance does Dr. Michelle Yen accept?
Dr. Yen is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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