Dr. Jeanne K. Tyan, MD
- Medicare services, 2024
- 61
- Medicare patients, 2024
- 62
- Part D claims, 2024
- 253
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 1 Quality Drive, Vacaville, CA 95688
- Practice phone
- Call (707) 624-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Jeanne K. Tyan is an emergency medicine physician in Vacaville, California
Dr. Tyan practices at Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente.
Dr. Tyan's NPI, 1215014162, was assigned on October 31, 2006. Dr. Tyan graduated from Yale University School of Medicine in 2002. Dr. Tyan holds California license A84153.
- NPI
- 1215014162NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739117003
- NPI enumeration date
- October 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 624-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeanne K. Tyan practices at Vacaville Medical Center in Vacaville, California
Dr. Tyan's primary practice is Vacaville Medical Center, at 1 Quality Drive, Vacaville, CA 95688 in Solano County. The practice phone is (707) 624-4000.
- Vacaville Medical Center1 Quality Drive, Vacaville, CA 95688 · Solano CountyPhone(707) 624-4000
Source: Dmand AI Affiliation Data
Dr. Jeanne K. Tyan is affiliated with 2 sites of care and 2 medical groups
Dr. Tyan's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Tyan to 1 more clinical lab 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. Jeanne K. Tyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tyan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vacaville Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeanne K. Tyan is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Tyan's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Tyan is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Tyan
Counts of emergency 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. Jeanne K. Tyan billed Medicare for 61 services in 2024
CMS data shows 61 Medicare services from Dr. Tyan across 2 procedure codes in 2024, for 62 Medicare patients. Medicare paid $3,411 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tyan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 362024: 6169%
Dr. Tyan compared with the California median for emergency medicine physicians, 2024
- Dr. Tyan
- California median
- Medicare services
- 61vs 26577% below
- Medicare patients
- 62vs 24374% below
- Part D claims
- 135vs 622.2 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Tyan'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeanne K. Tyan treated 62 Medicare patients in 2024, average age 76
CMS counts 62 Medicare patients who saw Dr. Tyan in 2024. The largest group is 75 to 84, with 18 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 2.58, 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. Tyan's median patient age at 42, with 59% women.
Dr. Tyan's Medicare patients by age, 2024
Dr. Tyan's Medicare patients by sex, 2024
- Women2540%
- Men3760%
Chronic conditions among Dr. Tyan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes52%
- Chronic kidney disease45%
- Alzheimer's and dementia42%
- Atrial fibrillation32%
- Arthritis27%
- Heart failure26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tyan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeanne K. Tyan wrote 253 Medicare Part D claims in 2024
In 2024, Dr. Tyan wrote 253 Medicare Part D claims for 191 patients. 87% of them were for generic drugs. CMS names the drug for 135 of them, across 6 drugs with 11 or more claims each, at $2,097 in total drug cost. In 2023, CMS named 96 claims across 4 drugs.
Dr. Tyan's Part D claims by kind of drug, 2024
- Generic220 claims87%
- Brand-name33 claims13%
Dr. Tyan'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. Tyan's Part D claims, 2024
- Opioids6%16 of 253 claims
- Antibiotics40%100 of 253 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: 962024: 13541%
Drugs named by CMS: 6 in 2024, 4 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. Jeanne K. Tyan takes part in Medicare
Dr. Tyan 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. Jeanne K. Tyan graduated from Yale University School of Medicine
Dr. Tyan graduated from Yale University School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeanne K. Tyan'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Jeanne K. Tyan
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. Jeanne K. Tyan's NPI number?
Dr. Jeanne K. Tyan's NPI number is 1215014162. It was assigned on October 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeanne K. Tyan?
Dr. Jeanne K. Tyan is an emergency medicine physician in Vacaville, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jeanne K. Tyan practice?
Dr. Tyan practices at 1 Quality Drive, Vacaville, CA 95688. Dr. Tyan's primary practice is Vacaville Medical Center in Vacaville, California, part of Kaiser Permanente. Dmand AI also links Dr. Tyan to 1 clinical lab and 1 medical group.
What is Dr. Jeanne K. Tyan's office phone number?
The practice phone on file for Dr. Tyan is (707) 624-4000.
What is Dr. Jeanne K. Tyan's medical license number?
Dr. Tyan holds California license A84153.
Which hospitals is Dr. Jeanne K. Tyan affiliated with?
Dr. Tyan practices at Vacaville Medical Center in Vacaville, California.
What medical group is Dr. Jeanne K. Tyan part of?
Dr. Tyan is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Tyan to 1 more medical group.
Does Dr. Jeanne K. Tyan accept Medicare?
Yes. CMS data shows Dr. Tyan billed Medicare for 61 services in 2024, and Dr. Tyan accepts Medicare assignment.
How many Medicare patients does Dr. Jeanne K. Tyan see?
CMS counts 62 Medicare patients who saw Dr. Tyan in 2024, with an average age of 76.
What services does Dr. Jeanne K. Tyan bill to Medicare?
In 2024, Dr. Tyan's most billed Medicare services were emergency department visit (99283) and emergency department visit (99284).
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Where did Dr. Jeanne K. Tyan go to medical school?
Dr. Tyan graduated from Yale University School of Medicine in 2002.
What drugs does Dr. Jeanne K. Tyan prescribe most?
In 2024 Medicare Part D data, Dr. Tyan's most prescribed drugs by claims were Cefpodoxime Proxetil, Ondansetron ODT and Doxycycline Monohydrate.
How long has Dr. Jeanne K. Tyan been practicing?
Dr. Tyan graduated from medical school in 2002, 24 years ago.
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